Upper Rattlesnake Weather Forecast

    • 53
    • 89

    Mostly Sunny

    • 51
    • 88

    Mostly Sunny

    • 52
    • 87

    Mostly Sunny

    • 52
    • 87

    Mostly Sunny

Today 9 Aug Missoula/Bitterroot Valleys

Mostly sunny. Areas of smoke in the Morning, then patchy smoke in the afternoon. Highs near 90.

Tonight 9 Aug Missoula/Bitterroot Valleys

Mostly clear. Smoke. Lows near 50.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Rattlesnake Temperature Statistics

August Temperature

Missoula, Missoula International Airport (5.6 miles)

  • Lowest 4 August, 2026

    43.6 °F

  • Average August

    67.9 °F

  • Highest 1 August, 2026

    96.7 °F

Climate (2021–2026)

Missoula, Missoula International Airport (5.6 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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