Fort Sill Weather Forecast

    • 69
    • 92

    Chance Rain Showers

    • 68
    • 92

    Mostly Cloudy

    • 68
    • 91

    Slight Chance Thunderstorms

    • 69
    • 94

    Partly Sunny

    • 70
    • 95

    Slight Chance Thunderstorms

    • 69
    • 95

    Chance Rain Showers

Today 23 Sep Comanche

Mostly sunny. A slight chance of Showers in the afternoon. Highs in the lower 90s. East Winds around 10 Mph. Chance of rain 20 percent.

Tonight 23 Sep Comanche

Mostly cloudy. Lows around 70. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fort Sill Temperature Statistics

September Temperature

Fort Sill (9.3 miles)

  • Lowest 11 September, 2026

    69.8 °F

  • Average September

    88.9 °F

  • Highest 12 September, 2026

    107.8 °F

Climate (2021–2026)

Fort Sill (9.3 miles)

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  • Average Low 2021–2026

    54.2 °F

  • Average 2021–2026

    65.8 °F

  • Average High 2021–2026

    77.3 °F
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