Grantsdale Weather Forecast

    • 51
    • 85

    Becoming Sunny

    • 47
    • 75

    Mostly Sunny

    • 51
    • 80

    Mostly Sunny

    • 55
    • 87

    Partly Sunny

    • 50
    • 81

    Partly Sunny

    • 48
    • 76

    Mostly Sunny

Today 16 Jun Missoula/Bitterroot Valleys

Mostly sunny. Highs in the lower to mid 80s. Southwest Winds 15 to 20 Mph with Gusts to around 35 Mph shifting to the west 20 to 30 Mph with Gusts to around 50 Mph in the afternoon.

Tonight 16 Jun Missoula/Bitterroot Valleys

Mostly clear. Lows near 50. Windy with west Winds 20 to 30 Mph with Gusts to around 50 Mph.

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Grantsdale Temperature Statistics

June Temperature

Missoula, Missoula International Airport (49.1 miles)

  • Lowest 8 June, 2026

    31.6 °F

  • Average June

    56.4 °F

  • Highest 5 June, 2026

    78.7 °F

Climate (2021–Present)

Missoula, Missoula International Airport (49.1 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.8 °F
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