Granite State Park Weather Forecast

    • 15
    • 31

    Chance Snow

    • 21
    • 33

    Snow Likely

    • 25
    • 38

    Chance Snow Showers

    • 26
    • 42

    Chance Snow Showers

    • 29
    • 49

    Partly Sunny

    • 33
    • 53

    Partly Sunny

Today 26 Apr Butte/Blackfoot Region

Mostly cloudy with a 50 percent chance of Areas of snow. Highs in the upper 30s to mid 40s. Northeast Winds to 15 Mph in the afternoon.

Tonight 26 Apr Butte/Blackfoot Region

Mostly cloudy with a 20 percent chance of snow. Lows 17 to 24. Northeast Winds to 15 Mph.

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Granite State Park Temperature Statistics

April Temperature

Butte, Bert Mooney Airport (43.5 miles)

  • Lowest 18 April, 2026

    16.6 °F
  • Average April

    41.4 °F
  • Highest 19 April, 2026

    66 °F

Climate (2021–Present)

Butte, Bert Mooney Airport (43.5 miles)

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  • Average Low 2021–2026

    28.5 °F
  • Average 2021–2026

    42.4 °F
  • Average High 2021–2026

    55.8 °F
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