Grantsdale Weather Forecast

    • 26
    • 45

    Chance Snow

    • 30
    • 51

    Chance Rain/Snow

    • 33
    • 49

    Rain Likely

    • 32
    • 54

    Chance Rain

    • 32
    • 53

    Chance Rain

    • 37
    • 57

    Chance Rain

Today 13 Oct Missoula/Bitterroot Valleys

Cloudy. Areas of rain and snow early in the Morning, then Areas of snow late in the morning. Chance of precipitation 40 percent. Highs in the lower to mid 40s. Northeast Winds 15 to 20 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 13 Oct Missoula/Bitterroot Valleys

Mostly cloudy. Lows in the lower to mid 20s. Northeast Winds 15 to 20 Mph with Gusts to around 30 Mph.

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  • Temperature Forecast NOAA

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Grantsdale Temperature Statistics

October Temperature

Missoula, Missoula International Airport (49.1 miles)

  • Lowest 6 October, 2025

    27 °F

  • Average October

    50.7 °F

  • Highest 10 October, 2025

    81 °F

Climate (2020–Present)

Missoula, Missoula International Airport (49.1 miles)

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  • Average Low 2020–2025

    35.6 °F

  • Average 2020–2025

    47.1 °F

  • Average High 2020–2025

    59.3 °F
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