Foss State Park Weather Forecast

    • 67
    • 86

    Slight Chance Thunderstorms

    • 67
    • 88

    Chance Thunderstorms

    • 63
    • 87

    Rain Showers Likely

    • 61
    • 80

    Chance Thunderstorms

    • 62
    • 81

    Slight Chance Thunderstorms

    • 64
    • 82

    Slight Chance Thunderstorms

Today 15 Sep Custer

Mostly sunny with a slight chance of Showers and Thunderstorms. Highs in the upper 80s. South Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

Tonight 15 Sep Custer

Partly cloudy in the Evening, then becoming mostly clear. Lows in the mid 60s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Foss State Park Temperature Statistics

September Temperature

Elk City Regional Business Airport (12.4 miles)

  • Lowest 6 September, 2025

    53.4 °F

  • Average September

    72.8 °F

  • Highest 11 September, 2025

    94.3 °F

Climate (2020–Present)

Elk City Regional Business Airport (12.4 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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