Washington D.C., District of Columbia weather in March

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

Average high: 58°F
Average low: 38°F
Rainy days: ~8 per month
Total precipitation: 3.9 in
Warmest recorded: 83°F
Coldest recorded: 19°F

Expect March days in Washington D.C., District of Columbia to top out around 58°F and cool to about 38°F overnight, with roughly 8 days of measurable rain across the month. In recent years March has ranged from 19°F to 83°F.

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Current Washington D.C., District of Columbia forecast → · Historical data by Open-Meteo (ERA5).