Pennsylvania
On Saturday , none of 9 Pennsylvania cities had a day more extreme than any in 10 years or more. In the county averages of Tuesday 29 September 2026, 2 of 67 Pennsylvania counties did.
Cities
| City | Day | High | Low | Precipitation | The day | Month so far, rank | Years compared |
|---|---|---|---|---|---|---|---|
| Allentown, PA | 72°F | 50°F | a trace | the warmest 3 October since 2025 | 8 | 99 | |
| Avoca, PA | 69°F | 49°F | 0.00 in | the warmest 3 October since 2025 | 12 | 126 | |
| Erie, PA | 63°F | 48°F | 0.00 in | the warmest 3 October since 2025 | 30 | 154 | |
| Middletown-Harrisburg, PA | 74°F | 56°F | 0.00 in | the warmest 3 October since 2025 | 8 | 138 | |
| Mount Pocono, PA | 66°F | 46°F | 0.00 in | the warmest 3 October since 2025 | 8 | 110 | |
| Philadelphia Center City, PA | 73°F | 60°F | 0.00 in | the warmest 30 September since 2025 | 12 | 86 | |
| Philadelphia, PA | 73°F | 61°F | a trace | the warmest 3 October since 2024 | 8 | 153 | |
| Pittsburgh, PA | 67°F | 48°F | 0.00 in | the warmest 3 October since 2025 | 33 | 152 | |
| Reading, PA | 72°F | 54°F | a trace | the warmest 3 October since 2025 | 13 | 130 | |
| Williamsport, PA | 71°F | 47°F | 0.00 in | the warmest 3 October since 2025 | 17 | 132 |
- 2026 so far brought 29.96 in of precipitation in Allentown, PA, the driest 1 January to 3 October since 2007, 21st driest of 105.
- An ordinary day: 3 October 2026 was cooler than 53 of 125 earlier years.
- 2026 so far brought 36.46 in of precipitation in Erie, PA, the wettest 1 January to 3 October since 2013, 12th wettest of 153.
- Middletown-Harrisburg, PA has had 3 days at 100°F or above in 2026 through 3 October, the most by that date since 1999, tied 6th most of 137 (with 1944).
- Mount Pocono, PA has had 3 days at 90°F or above in 2026 through 3 October, the most by that date since 2012, tied 10th most of 100 (with 2012, 2010, 2006 and 3 other years).
- The 30 days to Wednesday 30 September 2026 brought 7.40 in of precipitation in Philadelphia Center City, PA, the driest 30 days to 30 September since 2016 (2017 excluded: 5 of 30 days missing; 2019 excluded: 6 of 30 days missing; 2020 excluded: 5 of 30 days missing; 5 more years excluded for missing days), 44th driest of 49.
- Philadelphia, PA has had 3 days at 100°F or above in 2026 through 3 October, the most by that date since 1993, tied 3rd most of 153 (with 1993, 1966 and 1957).
- 2026 so far brought 38.72 in of precipitation in Pittsburgh, PA, the wettest 1 January to 3 October since 2019, 8th wettest of 156.
- 2026 so far brought 27.81 in of precipitation in Reading, PA, the driest 1 January to 3 October since 1980, 24th driest of 149.
- Williamsport, PA has had 2 days at 100°F or above in 2026 through 3 October, the most by that date since 2011, tied 11th most of 131 (with 2011, 1991, 1953 and 3 other years).
Counties
| County | Day | The day in the county average |
|---|---|---|
| Lackawanna County, PA Notable | the coldest 29 September day in the county average since 2012 | |
| Wayne County, PA Notable | the coldest 29 September day in the county average since 2012 | |
| Adams County, PA | the warmest 29 September in the county average since 2025 | |
| Allegheny County, PA | the warmest 29 September in the county average since 2025 | |
| Armstrong County, PA | the warmest 29 September in the county average since 2025 | |
| Beaver County, PA | the warmest 29 September in the county average since 2025 | |
| Bedford County, PA | the warmest 29 September in the county average since 2025 | |
| Berks County, PA | the warmest 29 September in the county average since 2025 | |
| Blair County, PA | the warmest 29 September in the county average since 2025 | |
| Bradford County, PA | the warmest 29 September in the county average since 2025 | |
| Bucks County, PA | the warmest 29 September in the county average since 2025 | |
| Butler County, PA | the warmest 29 September in the county average since 2025 | |
| Cambria County, PA | the warmest 29 September in the county average since 2025 | |
| Cameron County, PA | the warmest 29 September in the county average since 2025 | |
| Carbon County, PA | the warmest 29 September in the county average since 2025 | |
| Centre County, PA | the warmest 29 September in the county average since 2025 | |
| Chester County, PA | the warmest 29 September in the county average since 2025 | |
| Clarion County, PA | the warmest 29 September in the county average since 2025 | |
| Clearfield County, PA | the warmest 29 September in the county average since 2025 | |
| Clinton County, PA | the warmest 29 September in the county average since 2025 | |
| Columbia County, PA | the warmest 29 September in the county average since 2025 | |
| Crawford County, PA | the warmest 29 September in the county average since 2025 | |
| Cumberland County, PA | the warmest 29 September in the county average since 2025 | |
| Dauphin County, PA | the warmest 29 September in the county average since 2025 | |
| Delaware County, PA | the warmest 29 September in the county average since 2025 | |
| Elk County, PA | the warmest 29 September in the county average since 2025 | |
| Erie County, PA | the warmest 29 September in the county average since 2025 | |
| Fayette County, PA | the warmest 29 September in the county average since 2025 | |
| Forest County, PA | the warmest 29 September in the county average since 2025 | |
| Franklin County, PA | the warmest 29 September in the county average since 2025 | |
| Fulton County, PA | the warmest 29 September in the county average since 2025 | |
| Greene County, PA | the warmest 29 September in the county average since 2025 | |
| Huntingdon County, PA | the warmest 29 September in the county average since 2025 | |
| Indiana County, PA | the warmest 29 September in the county average since 2025 | |
| Jefferson County, PA | the warmest 29 September in the county average since 2025 | |
| Juniata County, PA | the warmest 29 September in the county average since 2025 | |
| Lancaster County, PA | the warmest 29 September in the county average since 2025 | |
| Lawrence County, PA | the warmest 29 September in the county average since 2025 | |
| Lebanon County, PA | the warmest 29 September in the county average since 2025 | |
| Lehigh County, PA | the warmest 29 September in the county average since 2025 | |
| Luzerne County, PA | the warmest 29 September in the county average since 2025 | |
| Lycoming County, PA | the warmest 29 September in the county average since 2025 | |
| McKean County, PA | the warmest 29 September in the county average since 2025 | |
| Mercer County, PA | the warmest 29 September in the county average since 2025 | |
| Mifflin County, PA | the warmest 29 September in the county average since 2025 | |
| Monroe County, PA | the warmest 29 September in the county average since 2025 | |
| Montgomery County, PA | the warmest 29 September in the county average since 2025 | |
| Montour County, PA | the warmest 29 September in the county average since 2025 | |
| Northampton County, PA | the warmest 29 September in the county average since 2025 | |
| Northumberland County, PA | the warmest 29 September in the county average since 2025 | |
| Perry County, PA | the warmest 29 September in the county average since 2025 | |
| Philadelphia County, PA | the warmest 29 September in the county average since 2025 | |
| Pike County, PA | the warmest 29 September in the county average since 2025 | |
| Potter County, PA | the warmest 29 September in the county average since 2025 | |
| Schuylkill County, PA | the warmest 29 September in the county average since 2025 | |
| Snyder County, PA | the warmest 29 September in the county average since 2025 | |
| Somerset County, PA | the warmest 29 September in the county average since 2025 | |
| Sullivan County, PA | the warmest 29 September in the county average since 2025 | |
| Susquehanna County, PA | the warmest 29 September in the county average since 2025 | |
| Tioga County, PA | the warmest 29 September in the county average since 2025 | |
| Union County, PA | the warmest 29 September in the county average since 2025 | |
| Venango County, PA | the warmest 29 September in the county average since 2025 | |
| Warren County, PA | the warmest 29 September in the county average since 2025 | |
| Washington County, PA | the warmest 29 September in the county average since 2025 | |
| Westmoreland County, PA | the warmest 29 September in the county average since 2025 | |
| Wyoming County, PA | the warmest 29 September in the county average since 2025 | |
| York County, PA | the warmest 29 September in the county average since 2025 |
Records set this year
- RecordThursday 23 July 2026: a low of 50°F in Erie, PA, the coldest 23 July night on record, in 154 years since 1873; provisional, awaiting the National Weather Service report.
- RecordThursday 2 July 2026: a high of 100°F in Williamsport, PA, the warmest 2 July on record, in 132 years since 1895; provisional, awaiting the National Weather Service report.
- RecordThursday 2 July 2026: a high of 103°F in Reading, PA, the warmest 2 July on record, in 131 years since 1888 (no value for 1890, 1891, 1892 and 5 other years); provisional, awaiting the National Weather Service report.
- RecordWednesday 1 July 2026: a high of 90°F in Mount Pocono, PA, the warmest 1 July on record, in 115 years since 1902 (no value for 1913, 1923, 1924 and 7 other years); provisional, awaiting the National Weather Service report.
- RecordFriday 12 June 2026: a high of 98°F in Philadelphia, PA, the warmest 12 June on record, in 153 years since 1874; provisional, awaiting the National Weather Service report.
- RecordFriday 12 June 2026: a high of 97°F in Philadelphia Center City, PA, the warmest 12 June on record, in 85 years since 1941 (no value for 2020); provisional, awaiting the National Weather Service report.
- RecordFriday 12 June 2026: a high of 94°F in Middletown-Harrisburg, PA, the warmest 12 June on record, in 138 years since 1889; provisional, awaiting the National Weather Service report.
- RecordThursday 11 June 2026: a high of 97°F in Philadelphia, PA, the warmest 11 June on record, in 153 years since 1874; provisional, awaiting the National Weather Service report.
- RecordThursday 21 May 2026: a high of 96°F in Philadelphia Center City, PA, the warmest 21 May on record, in 85 years since 1941 (no value for 2020); provisional, awaiting the National Weather Service report.
- RecordWednesday 20 May 2026: a high of 95°F in Philadelphia, PA, the warmest 20 May on record, in 153 years since 1874; provisional, awaiting the National Weather Service report.
- RecordWednesday 20 May 2026: a high of 98°F in Philadelphia Center City, PA, the warmest 20 May on record, in 84 years since 1941 (no value for 1995 and 2020); provisional, awaiting the National Weather Service report.
- RecordTuesday 19 May 2026: a high of 97°F in Reading, PA, the warmest 19 May on record, in 130 years since 1889 (no value for 1890, 1891, 1892 and 5 other years); provisional, awaiting the National Weather Service report.
- RecordTuesday 19 May 2026: a high of 98°F in Philadelphia, PA, the warmest 19 May on record, in 153 years since 1874; provisional, awaiting the National Weather Service report.
- RecordMonday 18 May 2026: a high of 96°F in Philadelphia, PA, the warmest 18 May on record, in 153 years since 1874; provisional, awaiting the National Weather Service report.
- RecordMonday 18 May 2026: a high of 88°F in Mount Pocono, PA, the warmest 18 May on record, in 116 years since 1902 (no value for 1923, 1926, 1930 and 6 other years); provisional, awaiting the National Weather Service report.
- RecordMonday 18 May 2026: a high of 90°F in Erie, PA, the warmest 18 May on record, in 153 years since 1874; provisional, awaiting the National Weather Service report.
- RecordTuesday 21 April 2026: a low of 29°F in Middletown-Harrisburg, PA, the coldest 21 April night on record, in 138 years since 1889; provisional, awaiting the National Weather Service report.
- RecordTuesday 21 April 2026: a low of 24°F in Avoca, PA, the coldest 21 April night on record, in 126 years since 1901; provisional, awaiting the National Weather Service report.
- RecordTuesday 21 April 2026: a low of 24°F in Allentown, PA, the coldest 21 April night on record, in 105 years since 1922; provisional, awaiting the National Weather Service report.
- RecordThursday 16 April 2026: a high of 91°F in Reading, PA, the warmest 16 April on record, in 131 years since 1888 (no value for 1890, 1891, 1892 and 5 other years); provisional, awaiting the National Weather Service report.
- RecordThursday 16 April 2026: a high of 91°F in Philadelphia, PA, the warmest 16 April on record, in 153 years since 1874; provisional, awaiting the National Weather Service report.
- RecordWednesday 15 April 2026: a high of 87°F in Williamsport, PA, the warmest 15 April on record, in 132 years since 1895; provisional, awaiting the National Weather Service report.
- RecordWednesday 15 April 2026: a high of 89°F in Reading, PA, the warmest 15 April on record, in 131 years since 1888 (no value for 1890, 1891, 1892 and 5 other years); provisional, awaiting the National Weather Service report.
- RecordWednesday 15 April 2026: a high of 91°F in Philadelphia, PA, the warmest 15 April on record, in 153 years since 1874; provisional, awaiting the National Weather Service report.
- RecordWednesday 15 April 2026: a high of 88°F in Philadelphia Center City, PA, the warmest 15 April on record, in 84 years since 1941 (no value for 2001 and 2020); provisional, awaiting the National Weather Service report.
- RecordSunday 5 April 2026: a high of 84°F in Philadelphia Center City, PA, the warmest 5 April on record, in 85 years since 1941 (no value for 2020); provisional, awaiting the National Weather Service report.
- RecordSaturday 4 April 2026: a high of 82°F in Reading, PA, the warmest 4 April on record, in 130 years since 1888 (no value for 1890, 1891, 1892 and 6 other years); provisional, awaiting the National Weather Service report.
- RecordSaturday 4 April 2026: a high of 84°F in Philadelphia, PA, the warmest 4 April on record, in 153 years since 1874; provisional, awaiting the National Weather Service report.
- RecordSaturday 4 April 2026: a high of 83°F in Middletown-Harrisburg, PA, the warmest 4 April on record, in 137 years since 1889 (no value for 1957); provisional, awaiting the National Weather Service report.
- RecordSaturday 4 April 2026: a high of 83°F in Erie, PA, the warmest 4 April on record, in 153 years since 1874; provisional, awaiting the National Weather Service report.
- RecordWednesday 1 April 2026: a high of 84°F in Philadelphia, PA, the warmest 1 April on record, in 153 years since 1874; provisional, awaiting the National Weather Service report.
- RecordMonday 23 March 2026: a high of 75°F in Philadelphia Center City, PA, the warmest 23 March on record, in 85 years since 1941 (no value for 2020); provisional, awaiting the National Weather Service report.
- RecordSunday 22 March 2026: a high of 84°F in Pittsburgh, PA, the warmest 22 March on record, in 152 years since 1875; provisional, awaiting the National Weather Service report.
- RecordThursday 12 March 2026: a high of 84°F in Philadelphia Center City, PA, the warmest 12 March on record, in 86 years since 1941; provisional, awaiting the National Weather Service report.
- RecordWednesday 11 March 2026: a high of 81°F in Reading, PA, the warmest 11 March on record, in 130 years since 1888 (no value for 1890, 1891, 1892 and 6 other years); provisional, awaiting the National Weather Service report.
- RecordWednesday 11 March 2026: a high of 83°F in Philadelphia, PA, the warmest 11 March on record, in 153 years since 1874; provisional, awaiting the National Weather Service report.
- RecordWednesday 11 March 2026: a high of 69°F in Mount Pocono, PA, the warmest 11 March on record, in 114 years since 1902 (no value for 1910, 1915, 1923 and 8 other years); provisional, awaiting the National Weather Service report.
- RecordWednesday 11 March 2026: a high of 79°F in Middletown-Harrisburg, PA, the warmest 11 March on record, in 138 years since 1889; provisional, awaiting the National Weather Service report.
- RecordWednesday 11 March 2026: a high of 77°F in Avoca, PA, the warmest 11 March on record, in 126 years since 1901; provisional, awaiting the National Weather Service report.
- RecordWednesday 11 March 2026: a high of 78°F in Allentown, PA, the warmest 11 March on record, in 105 years since 1922; provisional, awaiting the National Weather Service report.
- RecordTuesday 10 March 2026: a high of 77°F in Williamsport, PA, the warmest 10 March on record, in 132 years since 1895; provisional, awaiting the National Weather Service report.
- RecordTuesday 10 March 2026: a high of 83°F in Reading, PA, the warmest 10 March on record, in 130 years since 1888 (no value for 1890, 1891, 1892 and 6 other years); provisional, awaiting the National Weather Service report.
- RecordTuesday 10 March 2026: a high of 83°F in Philadelphia, PA, the warmest 10 March on record, in 153 years since 1874; provisional, awaiting the National Weather Service report.
- RecordTuesday 10 March 2026: a high of 73°F in Mount Pocono, PA, the warmest 10 March on record, in 112 years since 1902 (no value for 1910, 1915, 1923 and 10 other years); provisional, awaiting the National Weather Service report.
- RecordTuesday 10 March 2026: a high of 80°F in Middletown-Harrisburg, PA, the warmest 10 March on record, in 137 years since 1889 (no value for 1954); provisional, awaiting the National Weather Service report.
- RecordTuesday 10 March 2026: a high of 76°F in Avoca, PA, the warmest 10 March on record, in 126 years since 1901; provisional, awaiting the National Weather Service report.
- RecordSaturday 7 March 2026: a high of 78°F in Pittsburgh, PA, the warmest 7 March on record, in 152 years since 1875; provisional, awaiting the National Weather Service report.
- RecordMonday 9 February 2026: a low of 8°F in Philadelphia Center City, PA, the coldest 9 February night on record, in 85 years since 1941 (no value for 2015); provisional, awaiting the National Weather Service report.
- RecordSaturday 31 January 2026: a low of -11°F in Pittsburgh, PA, the coldest 31 January night on record, in 150 years since 1875 (no value for 1889 and 1890); provisional, awaiting the National Weather Service report.
- RecordSaturday 31 January 2026: a low of 0°F in Middletown-Harrisburg, PA, the coldest 31 January night on record, in 138 years since 1889; provisional, awaiting the National Weather Service report.
- RecordFriday 30 January 2026: a low of -6°F in Pittsburgh, PA, the coldest 30 January night on record, in 150 years since 1875 (no value for 1889 and 1890); provisional, awaiting the National Weather Service report.
- RecordFriday 30 January 2026: a low of -9°F in Erie, PA, the coldest 30 January night on record, in 153 years since 1874; provisional, awaiting the National Weather Service report.
- Records set this year not listed
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