Granite State Park Weather Forecast

    • 34
    • 53

    Mostly Cloudy

    • 22
    • 43

    Snow

    • 20
    • 30

    Snow Likely

    • 17
    • 28

    Chance Snow

    • 26
    • 34

    Chance Snow

    • 20
    • 39

    Chance Snow

    • 24
    • 35

    Slight Chance Snow

Today 24 Oct Butte/Blackfoot Region

Partly cloudy. Highs in the upper 50s to mid 60s. South Winds to 15 Mph with Gusts to around 30 Mph in the afternoon.

Tonight 24 Oct Butte/Blackfoot Region

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 30s. South Winds 15 to 20 Mph with Gusts to around 30 Mph.

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Granite State Park Temperature Statistics

October Temperature

Butte, Bert Mooney Airport (43.5 miles)

  • Lowest 6 October, 2025

    19.9 °F

  • Average October

    43.1 °F

  • Highest 9 October, 2025

    71.1 °F

Climate (2020–Present)

Butte, Bert Mooney Airport (43.5 miles)

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  • Average Low 2020–2025

    27.7 °F

  • Average 2020–2025

    41.6 °F

  • Average High 2020–2025

    55 °F
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