Summer temperatures · Pennsylvania
How hot does Pittsburgh get in summer?
In a typical summer, June to August, Pittsburgh averages highs around 81°F and lows around 62°F.
About 10 days a year reach 90°F or hotter, and 100°F doesn’t show up in a typical year. About 82 days a year get to 80°F or warmer. That makes it the 43rd coolest summer of the 129 US cities we track.
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The hottest high in the forecast for the next 48 hours is about 44°F.
Pittsburgh averages about 10 days a year at 90°F or hotter, so in summer the city’s hills are a bigger workout than the heat.
Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Summer at a glance
| Average summer high | 81°F |
|---|---|
| Average summer low | 62°F |
| Days a year at 80°F or warmer | 82 |
| Days a year at 90°F or hotter | 10 |
| Days a year at 100°F or hotter | none |
| Average winter high, for comparison | 39°F |
Summer here is June to August. Counts are averages a year.
Cities with about the same summer
- Scranton, Pennsylvania: highs around 82°F, lows around 61°F
- Boston, Massachusetts: highs around 80°F, lows around 64°F
- Milwaukee, Wisconsin: highs around 80°F, lows around 62°F
More about the weather here
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00094823.