Philadelphia, Pennsylvania weather in March

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

Average high: 56°F
Average low: 36°F
Rainy days: ~10 per month
Total precipitation: 4.8 in
Warmest recorded: 79°F
Coldest recorded: 20°F

Expect March days in Philadelphia, Pennsylvania to top out around 56°F and cool to about 36°F overnight, with roughly 10 days of measurable rain across the month. In recent years March has ranged from 20°F to 79°F.

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