Temperature
Hot by day, mild at night.
86°Ftypical Aug high
Washington, D.C. is most comfortable in April and October. Summers are hot and winters are cool. Humidity is usually low.

Hot by day, mild at night.
Moderate rain risk, mostly light.
Plenty of sun this month.
Warm days, with some hot afternoons and occasional humid spells.
Partly cloudy across the month.
Want a side-by-side climate view? Compare Washington, D.C. 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.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 27, 2026
Data & methodology