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

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

Average high: 89°F
Average low: 70°F
Rainy days: ~16 per month
Total precipitation: 6.6 in
Warmest recorded: 101°F
Coldest recorded: 61°F

Expect July days in Washington D.C., District of Columbia to top out around 89°F and cool to about 70°F overnight, with roughly 16 days of measurable rain across the month. In recent years July has ranged from 61°F to 101°F.

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