Henry Post Army Airfield (Fort Sill) Weather Forecast

    • 70
    • 93

    Partly Sunny

    • 69
    • 91

    Mostly Cloudy

    • 68
    • 92

    Partly Sunny

    • 68
    • 92

    Partly Sunny

    • 65
    • 91

    Slight Chance Thunderstorms

    • 65
    • 87

    Mostly Sunny

    • 66
    • 90

    Mostly Sunny

Today 13 Sep Comanche

Mostly sunny. Highs in the lower 90s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 13 Sep Comanche

Mostly cloudy. Lows around 70. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Henry Post Army Airfield (Fort Sill) Temperature Statistics

September Temperature

Fort Sill (3.1 miles)

  • Lowest 8 September, 2025

    59.4 °F

  • Average September

    78.7 °F

  • Highest 11 September, 2025

    96.6 °F

Climate (2020–Present)

Fort Sill (3.1 miles)

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  • Average Low 2020–2025

    52.3 °F

  • Average 2020–2025

    63.6 °F

  • Average High 2020–2025

    75.1 °F
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