Fort Sill Weather Forecast

    • 76
    • 107

    Hot

    • 74
    • 105

    Hot

    • 74
    • 104

    Hot

    • 75
    • 105

    Hot

    • 78
    • 107

    Hot

    • 76
    • 107

    Hot

Today 19 Aug Comanche

Sunny, hot with Highs around 107. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 19 Aug Comanche

Mostly clear. Lows in the mid 70s. South Winds 5 to 10 Mph, becoming southeast after midnight. Heat index Values up to 107 early in the evening.

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Fort Sill Temperature Statistics

August Temperature

Fort Sill (9.3 miles)

  • Lowest 2 August, 2026

    67.8 °F

  • Average August

    90.3 °F

  • Highest 8 August, 2026

    107.2 °F

Climate (2021–2026)

Fort Sill (9.3 miles)

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  • Average Low 2021–2026

    54 °F

  • Average 2021–2026

    65.6 °F

  • Average High 2021–2026

    77.1 °F
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