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Dauphin County, PA

An ordinary day in Dauphin County, PA: was cooler than 48 of 75 earlier years in the county average (county average from NOAA gridded data, 1951 to 2026).

Last updated . This page normally updates every day; the latest update is late.

High
67.5°F
Coldest since 2023
28th coldest of 76
Low
57.2°F
Warmest since 2024
16th warmest of 76

No measurable precipitation in the county average of Dauphin County, PA for 1 day to Tuesday 29 September 2026 (county average from NOAA gridded data, 1951 to 2026).

Every 29 September high of the county average in Dauphin County, PA since 1951: 67.5°F in 2026; the highest is 84.4°F, in 2019.
2023: 66.5°F2019: 84.4°F2026: 67.5°F 2026 67.5°F 2019 84.4°F since 2023 1951 2026
  • Normal range, 63.7 to 78.7°F
Every year as a table

Every 29 September low of the county average in Dauphin County, PA since 1951: 57.2°F in 2026; the lowest is 32.7°F, in 1957.

YearHigh, °FLow, °F
202667.557.2
202584.257.1
202469.962.1
202366.549.1
20226646.1
202172.951.4
202080.363.9
201984.459.9
201869.953.1
20177245.9
201669.953.1
201575.662.6
201479.754.5
20137046.4
201271.353
201175.662.1
201078.652.4
200969.548.6
200870.660.3
200773.453.7
200670.950.7
200575.145.4
200466.860.6
200368.349.9
200271.845.8
20015945.7
200060.434.9
199969.464.5
199875.946
199767.350.6
199669.447.7
199572.245
199463.948.8
199361.943.8
199266.546.5
199165.437.8
199072.951.8
198966.137.7
198869.645.3
198779.451.8
198669.558.7
198569.645
198449.140.2
198373.343.8
198267.352.9
198162.239.4
198071.443.4
197966.357
197866.235.9
197769.245.9
197664.341.7
197570.544.7
197468.761.5
19737362.8
197269.955.7
197168.660.7
197061.340.7
196965.841.6
196870.942.4
196772.561.4
196656.750.6
196564.139.2
196452.146.5
196376.852.6
19626046.5
196170.438.2
196069.557.3
195982.265.1
19586437.9
195760.632.7
195656.148.5
195572.149.9
19548352.8
195378.747
195275.444.8
195160.236.6

The month

September 2026 so far averaged 66.6°F in Dauphin County, PA, the warmest 1 to 29 September in the county average since 2025, 17th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).

The month in words
  • August 2026 averaged 71.8°F in Dauphin County, PA, the warmest August in the county average since 2024, tied 51st warmest of 132 (with 1999, 1998 and 1984) (county average from NOAA's monthly county data, 1895 to 2026).
  • Tuesday 29 September 2026: a high of 67.5°F averaged over Dauphin County, PA, the coldest 29 September day in the county average since 2023, 28th coldest of 76 (county average from NOAA gridded data, 1951 to 2026).
  • Tuesday 29 September 2026: a low of 57.2°F averaged over Dauphin County, PA, the warmest 29 September night in the county average since 2024, 16th warmest of 76 (county average from NOAA gridded data, 1951 to 2026).
Days of the month without a value
0

Nearby

Middletown-Harrisburg, PA 14.9 mi, the nearest city with its own station