Saint Mary Peak Weather Forecast

    • 41
    • 60

    Patchy Smoke

    • 50
    • 65

    Patchy Smoke

    • 55
    • 70

    Sunny

    • 55
    • 73

    Mostly Sunny

    • 54
    • 72

    Mostly Sunny

    • 52
    • 69

    Mostly Sunny

    • 52
    • 68

    Mostly Sunny

Today 4 Aug Bitterroot/Sapphire Mountains

Mostly sunny. Areas of smoke. Highs in the 70s.

Tonight 4 Aug Bitterroot/Sapphire Mountains

Mostly clear. Areas of smoke in the Evening, then patchy smoke after midnight. Lows in the upper 30s to mid 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Saint Mary Peak Temperature Statistics

August Temperature

Missoula, Missoula International Airport (28.6 miles)

  • Lowest 1 August, 2026

    58.6 °F

  • Average August

    73.1 °F

  • Highest 1 August, 2026

    96.7 °F

Climate (2021–2026)

Missoula, Missoula International Airport (28.6 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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