Old Agency Weather Forecast

    • 58
    • 96

    Chance Thunderstorms

    • 54
    • 90

    Mostly Sunny

    • 51
    • 89

    Mostly Sunny

    • 53
    • 89

    Mostly Sunny

    • 55
    • 92

    Mostly Sunny

    • 59
    • 93

    Partly Sunny

    • 59
    • 93

    Mostly Sunny

Today 19 Aug Flathead/Mission Valleys

Mostly sunny. Highs in the mid 80s to lower 90s.

Tonight 19 Aug Flathead/Mission Valleys

Partly cloudy then becoming mostly cloudy in the late evening and early morning then becoming partly cloudy. Slight chance of Showers and Thunderstorms in the Evening, then Areas of rain after midnight. Chance of precipitation 30 percent. Lows in the 50s.

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  • Temperature Forecast NOAA

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Old Agency Temperature Statistics

August Temperature

Missoula, Missoula International Airport (29.2 miles)

  • Lowest 8 August, 2025

    47.6 °F

  • Average August

    68.2 °F

  • Highest 12 August, 2025

    94.6 °F

Climate (2020–Present)

Missoula, Missoula International Airport (29.2 miles)

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  • Average Low 2020–2025

    35.5 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    59.2 °F
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