Capitol Hill Weather Forecast

    • 63
    • 75

    Rain Showers

    • 64
    • 77

    Rain Showers Likely

    • 65
    • 82

    Chance Rain Showers

    • 58
    • 81

    Mostly Sunny

    • 58
    • 79

    Partly Sunny

    • 58
    • 77

    Mostly Cloudy

Today 25 May District of Columbia

Patchy fog in the morning. Showers. A slight chance of Thunderstorms in the Morning, then a chance of Thunderstorms in the afternoon. Highs in the mid 70s. South Winds around 5 Mph, becoming west around 5 Mph in the afternoon. Chance of rain 90 percent.

Tonight 25 May District of Columbia

Mostly cloudy. Showers likely with a slight chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Patchy fog. Lows in the lower 60s. East Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Capitol Hill Temperature Statistics

May Temperature

Washington/Reagan National Airport, DC (3.1 miles)

  • Lowest 1 May, 2026

    44.7 °F

  • Average May

    66 °F

  • Highest 19 May, 2026

    97.6 °F

Climate (2021–Present)

Washington/Reagan National Airport, DC (3.1 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    60.4 °F

  • Average High 2021–2026

    69.2 °F
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