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Get the Pittsburgh PA weather forecast without ads, cookies, or tracking. Open-Meteo data, 10-day forecast, hourly conditions, and radar — all free. click here to hide this
July is the hottest month in Pittsburgh PA, with an average high of 83°F / 28°C; January is the coldest (37°F / 3°C). July is the wettest month, averaging 4.3 in / 108 mm of precipitation.
| Month | High °F / °C | Low °F / °C | Precip in / mm | Wet days |
|---|---|---|---|---|
| Jan | 37 / 3 | 21 / -6 | 3.0 / 75 | 12 |
| Feb | 40 / 4 | 23 / -5 | 2.6 / 66 | 10 |
| Mar | 49 / 10 | 31 / -1 | 3.1 / 80 | 11 |
| Apr | 63 / 17 | 41 / 5 | 3.3 / 84 | 11 |
| May | 72 / 22 | 51 / 10 | 3.8 / 97 | 11 |
| Jun | 80 / 27 | 60 / 15 | 4.1 / 105 | 10 |
| Jul | 83 / 28 | 64 / 18 | 4.3 / 108 | 9 |
| Aug | 82 / 28 | 62 / 17 | 3.5 / 89 | 8 |
| Sep | 75 / 24 | 55 / 13 | 3.3 / 84 | 7 |
| Oct | 63 / 17 | 44 / 7 | 2.8 / 72 | 9 |
| Nov | 51 / 11 | 34 / 1 | 2.9 / 73 | 9 |
| Dec | 41 / 5 | 27 / -3 | 2.8 / 72 | 10 |
Extremes since 1945: highest 103°F / 39°C (July 16, 1988), lowest -22°F / -30°C (January 19, 1994).
Daylight lasts about 14.9 hours in June and 9.1 hours in December.
Data: Meteostat — Greater Pittsburgh International, 1991–2020 averages.
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