Foss State Park Weather Forecast

    • 74
    • 101

    Chance Thunderstorms

    • 74
    • 96

    Mostly Sunny

    • 78
    • 102

    Hot

    • 75
    • 102

    Hot

    • 75
    • 98

    Hot

    • 74
    • 99

    Hot

Today 16 Aug Custer

Sunny. A chance of Showers with a slight chance of Thunderstorms in the afternoon. Hot with Highs around 101. Northwest Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 16 Aug Custer

Mostly clear. Lows in the mid 70s. South Winds around 10 Mph with Gusts up to 20 Mph.

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Foss State Park Temperature Statistics

August Temperature

Elk City Regional Business Airport (12.4 miles)

  • Lowest 2 August, 2026

    61.3 °F

  • Average August

    88.6 °F

  • Highest 8 August, 2026

    106 °F

Climate (2021–2026)

Elk City Regional Business Airport (12.4 miles)

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  • Average Low 2021–2026

    49.7 °F

  • Average 2021–2026

    61.7 °F

  • Average High 2021–2026

    74.7 °F
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