Washington Municipal Airport Weather Forecast

    • 73
    • 95

    Partly Sunny

    • 69
    • 93

    Increasing Clouds

    • 66
    • 85

    Partly Sunny

    • 68
    • 85

    Partly Sunny

    • 74
    • 93

    Chance Thunderstorms

    • 67
    • 90

    Chance Rain Showers

    • 63
    • 83

    Partly Sunny

Today 4 Sep Washington

Sunny, hot. Near steady temperature in the mid 90s. Southwest Winds around 10 Mph. Heat index Values up to 105.

Tonight 4 Sep Washington

Partly cloudy this Evening, then becoming mostly clear. Lows in the lower 70s. Southwest Winds around 5 Mph.

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Washington Municipal Airport Temperature Statistics

September Temperature

Washington (0 miles)

  • Lowest 1 September, 2026

    71.6 °F

  • Average September

    81.8 °F

  • Highest 1 September, 2026

    95 °F

Climate (2021–2026)

Washington (0 miles)

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  • Average Low 2021–2026

    41.5 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    62.6 °F
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