Fort Leavenworth Weather Forecast

    • 34
    • 47

    Increasing Clouds

    • 39
    • 58

    Partly Sunny

    • 43
    • 59

    Partly Sunny

    • 49
    • 69

    Partly Sunny

    • 42
    • 70

    Partly Sunny

    • 37
    • 60

    Mostly Cloudy

Today 21 Dec Leavenworth

Sunny. Highs in the upper 40s. Southeast Winds 5 to 10 Mph.

Tonight 21 Dec Leavenworth

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 30s. Temperature rising into the upper 30s after midnight. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Fort Leavenworth Temperature Statistics

December Temperature

Kansas City, Kansas City International Airport (10.6 miles)

  • Lowest 14 December, 2025

    3.9 °F

  • Average December

    31.2 °F

  • Highest 17 December, 2025

    55.9 °F

Climate (2020–Present)

Kansas City, Kansas City International Airport (10.6 miles)

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  • Average Low 2020–2025

    46.7 °F

  • Average 2020–2025

    56.9 °F

  • Average High 2020–2025

    67.1 °F
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