Fort Sill Weather Forecast

    • 67
    • 91

    Isolated Thunderstorms

    • 66
    • 92

    Partly Sunny

    • 64
    • 88

    Thunderstorms

    • 65
    • 86

    Rain Showers

    • 66
    • 87

    Isolated Thunderstorms

    • 64
    • 89

    Rain Showers

Today 16 Sep Comanche

Sunny. Isolated Showers and Thunderstorms this afternoon. Highs in the lower 90s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 16 Sep Comanche

Mostly clear. Lows in the upper 60s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

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Fort Sill Temperature Statistics

September Temperature

Fort Sill (9.3 miles)

  • Lowest 8 September, 2025

    59.4 °F

  • Average September

    79.2 °F

  • Highest 12 September, 2025

    97.7 °F

Climate (2020–Present)

Fort Sill (9.3 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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