Grantsdale Weather Forecast

    • 55
    • 79

    Rain Showers

    • 52
    • 79

    Chance Thunderstorms

    • 53
    • 83

    Partly Sunny

    • 49
    • 77

    Chance Thunderstorms

    • 51
    • 78

    Partly Sunny

    • 53
    • 81

    Mostly Cloudy

Today 1 Aug Missoula/Bitterroot Valleys

Slight chance of rain in the Morning, then rain Showers likely and a chance of Thunderstorms in the afternoon. Patchy fog early in the morning. Chance of precipitation 80 percent. Highs in the lower 80s.

Tonight 1 Aug Missoula/Bitterroot Valleys

Rain Showers likely and a chance of Thunderstorms in the Evening, then a chance of rain after midnight. Chance of precipitation 60 percent. Lows in the 50s.

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Grantsdale Temperature Statistics

August Temperature

Missoula, Missoula International Airport (49.1 miles)

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  • Average August

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Climate (2020–Present)

Missoula, Missoula International Airport (49.1 miles)

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  • Average Low 2020–2025

    35.5 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    59.2 °F
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