Foss Reservoir Weather Forecast

    • 63
    • 80

    Chance Thunderstorms

    • 70
    • 85

    Partly Sunny

    • 67
    • 85

    Chance Thunderstorms

    • 67
    • 86

    Slight Chance Thunderstorms

    • 63
    • 86

    Chance Rain Showers

    • 61
    • 78

    Mostly Sunny

Today 18 Sep Custer

Partly sunny. A chance of Showers and Thunderstorms, mainly this morning. Highs in the lower 80s. North Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 18 Sep Custer

Partly cloudy with a chance of Showers and Thunderstorms. Lows around 60. Northeast Winds around 5 Mph. Chance of rain 40 percent.

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Foss Reservoir Temperature Statistics

September Temperature

Elk City Regional Business Airport (13 miles)

  • Lowest 6 September, 2025

    53.4 °F

  • Average September

    73.1 °F

  • Highest 11 September, 2025

    94.3 °F

Climate (2020–Present)

Elk City Regional Business Airport (13 miles)

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  • Average Low 2020–2025

    49 °F

  • Average 2020–2025

    60.5 °F

  • Average High 2020–2025

    73.1 °F
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