Foss Reservoir Weather Forecast

    • 69
    • 79

    Rain Showers Likely

    • 70
    • 84

    Chance Thunderstorms

    • 70
    • 85

    Mostly Sunny

    • 72
    • 84

    Mostly Cloudy

    • 65
    • 80

    Rain Showers Likely

    • 61
    • 75

    Chance Rain Showers

Today 25 Sep Custer

Partly sunny. A chance of Showers and Thunderstorms in the Morning, then Showers likely with a slight chance of Thunderstorms in the afternoon. Highs in the lower 80s. South Winds 5 to 10 Mph. Chance of rain 60 percent.

Tonight 25 Sep Custer

Becoming partly cloudy after midnight. A slight chance of Thunderstorms. Showers Likely, mainly in the evening. Lows in the upper 60s. South Winds 5 to 10 Mph. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Foss Reservoir Temperature Statistics

September Temperature

Elk City Regional Business Airport (13 miles)

  • Lowest 22 September, 2026

    65.3 °F

  • Average September

    84.7 °F

  • Highest 12 September, 2026

    104.2 °F

Climate (2021–2026)

Elk City Regional Business Airport (13 miles)

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  • Average Low 2021–2026

    49.9 °F

  • Average 2021–2026

    61.9 °F

  • Average High 2021–2026

    74.9 °F
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