Capitol Hill Weather Forecast

    • 61
    • 72

    Rain Showers

    • 64
    • 71

    Rain Showers Likely

    • 62
    • 80

    Partly Sunny

    • 62
    • 85

    Mostly Sunny

    • 60
    • 78

    Partly Sunny

    • 61
    • 77

    Partly Sunny

    • 64
    • 79

    Partly Sunny

Today 16 Sep District of Columbia

Showers likely with a slight chance of Thunderstorms. Highs in the lower 70s. Northeast Winds around 15 Mph with Gusts up to 30 Mph. Chance of rain 60 percent.

Tonight 16 Sep District of Columbia

Showers likely with a slight chance of Thunderstorms. Lows in the lower 60s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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  • Temperature Real-Time

Capitol Hill Temperature Statistics

September Temperature

Washington/Reagan National Airport, DC (3.1 miles)

  • Lowest 9 September, 2025

    55.9 °F

  • Average September

    71.1 °F

  • Highest 6 September, 2025

    91 °F

Climate (2020–Present)

Washington/Reagan National Airport, DC (3.1 miles)

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  • Average Low 2020–2025

    52.6 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    69.2 °F
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