Grantsdale Weather Forecast

    • 56
    • 90

    Areas Smoke

    • 60
    • 88

    Partly Sunny

    • 62
    • 91

    Partly Sunny

    • 61
    • 90

    Chance Rain Showers

    • 61
    • 90

    Chance Rain

    • 60
    • 92

    Chance Thunderstorms

Today 19 Jul Missoula/Bitterroot Valleys

Sunny. Areas of smoke through the day. Highs near 90. Northwest Winds to 15 Mph.

Tonight 19 Jul Missoula/Bitterroot Valleys

Partly cloudy. Lows in the 50s. West Winds to 15 Mph.

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Grantsdale Temperature Statistics

July Temperature

Missoula, Missoula International Airport (49.1 miles)

  • Lowest 2 July, 2026

    45.6 °F

  • Average July

    69.9 °F

  • Highest 11 July, 2026

    95.6 °F

Climate (2021–2026)

Missoula, Missoula International Airport (49.1 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    59.7 °F
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