Tidal Basin Weather Forecast

    • 69
    • 81

    Mostly Cloudy

    • 71
    • 85

    Rain Showers

    • 70
    • 87

    Chance Rain Showers

    • 59
    • 82

    Partly Sunny

    • 62
    • 78

    Mostly Sunny

    • 65
    • 83

    Mostly Sunny

    • 66
    • 88

    Chance Rain Showers

Today 11 Sep District of Columbia

Mostly cloudy. Highs around 80. Northeast Winds around 5 Mph.

Tonight 11 Sep District of Columbia

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the upper 60s. East Winds around 5 Mph this Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tidal Basin Temperature Statistics

September Temperature

Washington/Reagan National Airport, DC (2.5 miles)

  • Lowest 7 September, 2026

    64.7 °F

  • Average September

    79.8 °F

  • Highest 1 September, 2026

    98.7 °F

Climate (2021–2026)

Washington/Reagan National Airport, DC (2.5 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    69.3 °F
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