Olson Airport Weather Forecast

    • 55
    • 81

    Mostly Sunny

    • 57
    • 90

    Rain Likely

    • 52
    • 75

    Rain Showers Likely

    • 49
    • 70

    Rain Showers Likely

    • 50
    • 72

    Chance Rain

    • 51
    • 76

    Chance Rain

    • 52
    • 77

    Chance Rain

Today 31 Aug Flathead/Mission Valleys

Mostly sunny. Patchy fog early in the morning. Highs in the 70s.

Tonight 31 Aug Flathead/Mission Valleys

Partly cloudy. Lows in the 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Olson Airport Temperature Statistics

August Temperature

Missoula, Missoula International Airport (46 miles)

  • Lowest 4 August, 2026

    43.6 °F

  • Average August

    69.8 °F

  • Highest 21 August, 2026

    97.6 °F

Climate (2021–2026)

Missoula, Missoula International Airport (46 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    59.8 °F
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