Pittsburgh, Pennsylvania weather in March

Averages from 2021–2025 (155 days of record).

Average high: 54°F
Average low: 34°F
Rainy days: ~13 per month
Total precipitation: 3.8 in
Warmest recorded: 74°F
Coldest recorded: 7°F

Expect March days in Pittsburgh, Pennsylvania to top out around 54°F and cool to about 34°F overnight, with roughly 13 days of measurable rain across the month. In recent years March has ranged from 7°F to 74°F.

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Current Pittsburgh, Pennsylvania forecast → · Historical data by Open-Meteo (ERA5).