Massachusetts
On Saturday , 1 of 4 Massachusetts cities had a day more extreme than any in 10 years or more. In the county averages of Tuesday 29 September 2026, 9 of 14 Massachusetts counties did.
Cities
| City | Day | High | Low | Precipitation | The day | Month so far, rank | Years compared |
|---|---|---|---|---|---|---|---|
| Milton, MA Notable | 84°F | 53°F | 0.05 in | the warmest 3 October since 1968 | 8 | 131 | |
| Boston, MA | 67°F | 54°F | 0.00 in | the warmest 3 October since 2025 | 9 | 155 | |
| Westfield, MA | 71°F | 49°F | 0.00 in | the warmest 3 October since 2025 | 2 | 36 | |
| Worcester, MA | 67°F | 51°F | 0.00 in | the warmest 3 October since 2025 | 7 | 133 |
- Saturday 3 October 2026: a high of 84°F in Milton, MA, the warmest 3 October since 1968, 2nd warmest of 134.
- Boston, MA has had 2 days at 100°F or above in 2026 through 3 October, the most by that date since 1952, tied 2nd most of 154 (with 1952, 1949, 1944 and 1 other year).
- October 2026 so far averaged 66.5°F in Westfield, MA, the warmest 1 to 3 October since 1927 (1928 excluded: 3 of 3 days missing; 1929 excluded: 1 of 3 days missing; 1935 excluded: 3 of 3 days missing; 62 more years excluded for missing days), 2nd warmest of 36.
- October 2026 so far averaged 65.3°F in Worcester, MA, the warmest 1 to 3 October since 1968 (2019 excluded: 1 of 3 days missing), 7th warmest of 133.
Counties
| County | Day | The day in the county average |
|---|---|---|
| Berkshire County, MA Notable | the coldest 29 September day in the county average since 2012 | |
| Essex County, MA Notable | the coldest 29 September day in the county average since 2012 | |
| Franklin County, MA Notable | the coldest 29 September day in the county average since 2012 | |
| Hampden County, MA Notable | the coldest 29 September day in the county average since 2012 | |
| Hampshire County, MA Notable | the coldest 29 September day in the county average since 2012 | |
| Middlesex County, MA Notable | the coldest 29 September day in the county average since 2012 | |
| Norfolk County, MA Notable | the coldest 29 September day in the county average since 2016 | |
| Suffolk County, MA Notable | the wettest 29 September in the county average since 2012 | |
| Worcester County, MA Notable | the coldest 29 September day in the county average since 2012 | |
| Barnstable County, MA | the warmest 29 September in the county average since 2025 | |
| Bristol County, MA | the warmest 29 September in the county average since 2025 | |
| Dukes County, MA | the warmest 29 September in the county average since 2025 | |
| Nantucket County, MA | the warmest 29 September in the county average since 2025 | |
| Plymouth County, MA | the warmest 29 September in the county average since 2025 |
Records set this year
- RecordFriday 2 October 2026: a high of 87°F in Westfield, MA, the warmest 2 October on record, in 37 years since 1926 (no value for 1928, 1935, 1936 and 61 other years); provisional, awaiting the National Weather Service report.
- RecordThursday 2 July 2026: a high of 98°F in Westfield, MA, the warmest 2 July on record, in 35 years since 1929 (no value for 1935, 1936, 1937 and 60 other years); provisional, awaiting the National Weather Service report.
- RecordThursday 2 July 2026: a high of 101°F in Boston, MA, the warmest 2 July on record, in 155 years since 1872; provisional, awaiting the National Weather Service report.
- RecordSunday 14 June 2026: a high of 91°F in Westfield, MA, the warmest 14 June on record, in 37 years since 1926 (no value for 1927, 1929, 1935 and 61 other years); provisional, awaiting the National Weather Service report.
- RecordTuesday 2 June 2026: a low of 39°F in Westfield, MA, the coldest 2 June night on record, in 37 years since 1926 (no value for 1927, 1929, 1935 and 61 other years); provisional, awaiting the National Weather Service report.
- RecordSunday 31 May 2026: a low of 34°F in Westfield, MA, the coldest 31 May night on record, in 37 years since 1926 (no value for 1927, 1935, 1936 and 61 other years); provisional, awaiting the National Weather Service report.
- RecordWednesday 20 May 2026: a high of 89°F in Westfield, MA, the warmest 20 May on record, in 36 years since 1928 (no value for 1935, 1936, 1937 and 60 other years); provisional, awaiting the National Weather Service report.
- RecordWednesday 20 May 2026: a high of 95°F in Milton, MA, the warmest 20 May on record, in 134 years since 1893; provisional, awaiting the National Weather Service report.
- RecordTuesday 19 May 2026: a high of 96°F in Westfield, MA, the warmest 19 May on record, in 34 years since 1928 (no value for 1935, 1936, 1937 and 62 other years); provisional, awaiting the National Weather Service report.
- RecordTuesday 19 May 2026: a high of 96°F in Boston, MA, the warmest 19 May on record, in 155 years since 1872; provisional, awaiting the National Weather Service report.
- RecordTuesday 12 May 2026: a low of 34°F in Westfield, MA, the coldest 12 May night on record, in 36 years since 1926 (no value for 1927, 1935, 1936 and 62 other years); provisional, awaiting the National Weather Service report.
- RecordTuesday 21 April 2026: a low of 25°F in Westfield, MA, the coldest 21 April night on record, in 36 years since 1926 (no value for 1929, 1935, 1936 and 62 other years); provisional, awaiting the National Weather Service report.
- RecordWednesday 15 April 2026: a high of 86°F in Westfield, MA, the warmest 15 April on record, in 36 years since 1927 (no value for 1929, 1935, 1936 and 61 other years); provisional, awaiting the National Weather Service report.
- RecordTuesday 31 March 2026: a high of 78°F in Westfield, MA, the warmest 31 March on record, in 36 years since 1926 (no value for 1929, 1935, 1936 and 62 other years); provisional, awaiting the National Weather Service report.
- RecordMonday 30 March 2026: a high of 72°F in Westfield, MA, the warmest 30 March on record, in 35 years since 1926 (no value for 1927, 1929, 1935 and 63 other years); provisional, awaiting the National Weather Service report.
- RecordWednesday 11 March 2026: a high of 74°F in Milton, MA, the warmest 11 March on record, in 134 years since 1893; provisional, awaiting the National Weather Service report.
- RecordTuesday 10 March 2026: a high of 72°F in Worcester, MA, the warmest 10 March on record, in 135 years since 1892; provisional, awaiting the National Weather Service report.
- RecordTuesday 10 March 2026: a high of 77°F in Westfield, MA, the warmest 10 March on record, in 35 years since 1926 (no value for 1929, 1935, 1936 and 63 other years); provisional, awaiting the National Weather Service report.
- RecordTuesday 10 March 2026: a high of 75°F in Boston, MA, the warmest 10 March on record, in 155 years since 1872; provisional, awaiting the National Weather Service report.
- RecordMonday 2 March 2026: a low of 7°F in Westfield, MA, the coldest 2 March night on record, in 35 years since 1926 (no value for 1929, 1930, 1935 and 63 other years); provisional, awaiting the National Weather Service report.
- Records set this year not listed
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