Foss Reservoir Weather Forecast

    • 73
    • 92

    Slight Chance Thunderstorms

    • 76
    • 93

    Mostly Sunny

    • 80
    • 96

    Mostly Sunny

    • 79
    • 98

    Hot

    • 78
    • 97

    Hot

    • 78
    • 97

    Mostly Sunny

    • 79
    • 97

    Hot

Today 27 Aug Custer

Partly sunny with a slight chance of Showers and Thunderstorms. Highs in the lower 90s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 27 Aug Custer

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

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Foss Reservoir Temperature Statistics

August Temperature

Elk City Regional Business Airport (13 miles)

  • Lowest 2 August, 2026

    61.3 °F

  • Average August

    88.9 °F

  • Highest 24 August, 2026

    107.8 °F

Climate (2021–2026)

Elk City Regional Business Airport (13 miles)

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  • Average Low 2021–2026

    49.8 °F

  • Average 2021–2026

    61.7 °F

  • Average High 2021–2026

    74.8 °F
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