Foss Reservoir Weather Forecast

    • 70
    • 81

    Chance Thunderstorms

    • 76
    • 91

    Mostly Sunny

    • 76
    • 95

    Mostly Sunny

    • 77
    • 94

    Mostly Sunny

    • 77
    • 93

    Chance Rain Showers

    • 72
    • 92

    Chance Rain Showers

    • 71
    • 89

    Mostly Sunny

Today 10 Sep Custer

Partly sunny with a chance of Showers and Thunderstorms. Cooler with Highs in the mid 80s. East Winds 10 to 15 Mph. Chance of rain 40 percent.

Tonight 10 Sep Custer

Partly cloudy. Lows in the mid 60s. Southeast Winds 5 to 10 Mph.

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  • Temperature Real-Time

Foss Reservoir Temperature Statistics

September Temperature

Elk City Regional Business Airport (13 miles)

  • Lowest 1 September, 2026

    71.2 °F

  • Average September

    87.6 °F

  • Highest 3 September, 2026

    101.8 °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

    61.8 °F

  • Average High 2021–2026

    74.8 °F
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