Granite State Park Weather Forecast

    • 29
    • 44

    Rain/Snow

    • 29
    • 36

    Snow

    • 29
    • 39

    Snow

    • 19
    • 36

    Snow

    • 14
    • 26

    Snow Likely

    • 17
    • 31

    Chance Snow

Today 12 Apr Butte/Blackfoot Region

Patchy fog early in the morning. Chance of rain Showers late in the morning. Rain Showers likely in the afternoon. Slight chance of Thunderstorms late in the afternoon. Chance of precipitation 90 percent. Highs in the 50s.

Tonight 12 Apr Butte/Blackfoot Region

Chance of rain Showers and a slight chance of Thunderstorms in the Evening, then rain Showers likely and a chance of snow Showers after midnight. Chance of precipitation 70 percent. Little or no new snow accumulation. Lows in the 30s.

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  • Temperature Real-Time

Granite State Park Temperature Statistics

April Temperature

Butte, Bert Mooney Airport (43.5 miles)

  • Lowest 4 April, 2026

    23.6 °F

  • Average April

    42.1 °F

  • Highest 7 April, 2026

    63.6 °F

Climate (2021–Present)

Butte, Bert Mooney Airport (43.5 miles)

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  • Average Low 2021–2026

    28.4 °F

  • Average 2021–2026

    42.3 °F

  • Average High 2021–2026

    55.7 °F
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