Granite State Park Weather Forecast

    • 43
    • 65

    Partly Sunny

    • 50
    • 70

    Mostly Sunny

    • 51
    • 74

    Mostly Sunny

    • 45
    • 73

    Slight Chance Thunderstorms

    • 39
    • 60

    Slight Chance Thunderstorms

    • 44
    • 65

    Mostly Sunny

    • 47
    • 70

    Mostly Sunny

Today 6 Jul Butte/Blackfoot Region

Mostly sunny. Highs in the 70s. Northwest Winds to 15 Mph in the afternoon.

Tonight 6 Jul Butte/Blackfoot Region

Partly cloudy. Lows in the 40s to lower 50s.

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Granite State Park Temperature Statistics

July Temperature

Butte, Bert Mooney Airport (43.5 miles)

  • Lowest 4 July, 2025

    45 °F

  • Average July

    65.5 °F

  • Highest 1 July, 2025

    87.1 °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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