Granite Park Weather Forecast

    • 50
    • 70

    Increasing Clouds

    • 47
    • 64

    Chance Rain Showers

    • 45
    • 61

    Rain Showers Likely

    • 42
    • 58

    Rain Showers

    • 43
    • 57

    Chance Rain Showers

    • 45
    • 64

    Slight Chance Thunderstorms

Today 26 Aug Bighorn Mountains Southeast

Partly cloudy this Morning, then becoming mostly cloudy. Highs in the lower 70s. South Winds around 10 Mph, becoming southeast this afternoon.

Tonight 26 Aug Bighorn Mountains Southeast

Cloudy. Lows in the mid 50s. East Winds 10 to 15 Mph, becoming northwest after midnight.

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Granite Park Temperature Statistics

August Temperature

Sheridan County Airport (16.8 miles)

  • Lowest 9 August, 2025

    44.7 °F

  • Average August

    70.8 °F

  • Highest 19 August, 2025

    101.6 °F

Climate (2020–Present)

Sheridan County Airport (16.8 miles)

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  • Average Low 2020–2025

    33.1 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    61.4 °F
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