Temperature
Cool by day, cold at night.
Pittsburgh is usually most comfortable in September and October. Typical daytime highs range from 38–84°F across the year. Rain is frequent in many months.

Cool by day, cold at night.
Several rainy days. About 10 wet days, the lowest monthly average.
Sunshine is limited, with cloud often dominating.
Humidity is rarely noticeable in the cool air.
In November, afternoons feel about 43° and nights feel near 33°.
Mostly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 49°F, easing to about 45°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 38 | 25 | 3.7 | 12 | 3.0 | 72 |
| Feb | 42 | 27 | 3.3 | 11 | 3.8 | 68 |
| Mar | 52 | 35 | 4.0 | 13 | 5.0 | 64 |
| Apr | 64 | 44 | 4.6 | 14 | 6.1 | 63 |
| May | 73 | 54 | 5.2 | 16 | 7.0 | 71 |
| Jun | 80 | 62 | 5.1 | 14 | 8.1 | 73 |
| Jul | 84 | 66 | 4.5 | 14 | 8.2 | 74 |
| Aug | 82 | 65 | 3.7 | 13 | 7.4 | 75 |
| Sep | 77 | 58 | 4.1 | 11 | 6.6 | 75 |
| Oct | 65 | 47 | 3.7 | 11 | 5.4 | 74 |
| Nov | 53 | 38 | 3.2 | 10 | 3.3 | 70 |
| Dec | 43 | 30 | 3.5 | 12 | 2.4 | 73 |
Similar climates
Want a side-by-side climate view? Compare Pittsburgh with New York City.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology