Tidal Basin Weather Forecast

    • 57
    • 69

    Rain Showers Likely

    • 60
    • 65

    Rain Showers Likely

    • 60
    • 69

    Mostly Cloudy

    • 60
    • 75

    Partly Sunny

    • 62
    • 78

    Partly Sunny

    • 64
    • 80

    Partly Sunny

Today 26 Sep District of Columbia

Partly sunny with a chance of Showers in the Morning, then mostly cloudy with Showers likely in the afternoon. Highs in the upper 60s. North Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 60 percent.

Tonight 26 Sep District of Columbia

Showers likely. Lows in the upper 50s. North Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 60 percent.

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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 23 September, 2026

    55.9 °F

  • Average September

    76.6 °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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