Grantsdale Weather Forecast

    • 21
    • 33

    Increasing Clouds

    • 28
    • 35

    Rain/Snow Likely

    • 31
    • 39

    Wintry Mix

    • 27
    • 38

    Rain Likely

    • 32
    • 40

    Rain/Snow Likely

    • 35
    • 44

    Rain/Snow Likely

    • 33
    • 46

    Rain Likely

Today 3 Dec Missoula/Bitterroot Valleys

Partly cloudy. Patchy freezing fog until late afternoon. Highs in the lower 30s.

Tonight 3 Dec Missoula/Bitterroot Valleys

Mostly cloudy. Patchy fog late in the night. Lows 18 to 22.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grantsdale Temperature Statistics

December Temperature

Missoula, Missoula International Airport (49.1 miles)

  • Lowest 1 December, 2025

    17.1 °F

  • Average December

    23.7 °F

  • Highest 1 December, 2025

    28.9 °F

Climate (2020–Present)

Missoula, Missoula International Airport (49.1 miles)

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  • Average Low 2020–2025

    35.8 °F

  • Average 2020–2025

    47.3 °F

  • Average High 2020–2025

    59.4 °F
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