Fort Sill Weather Forecast

    • 36
    • 49

    Mostly Cloudy

    • 37
    • 63

    Partly Sunny

    • 45
    • 63

    Mostly Sunny

    • 31
    • 61

    Mostly Sunny

    • 46
    • 59

    Mostly Sunny

    • 39
    • 74

    Mostly Sunny

Today 15 Dec Comanche

Partly sunny. Highs in the upper 40s. South Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 15 Dec Comanche

Mostly cloudy. Not as cool with Lows in the upper 30s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Fort Sill Temperature Statistics

December Temperature

Fort Sill (9.3 miles)

  • Lowest 2 December, 2025

    26.1 °F

  • Average December

    46.2 °F

  • Highest 11 December, 2025

    71.1 °F

Climate (2020–Present)

Fort Sill (9.3 miles)

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  • Average Low 2020–2025

    52.7 °F

  • Average 2020–2025

    64.1 °F

  • Average High 2020–2025

    75.4 °F
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