Diamond Lake Weather Forecast

    • 25
    • 38

    Breezy

    • 21
    • 31

    Snow Likely

    • 27
    • 30

    Snow Likely

    • 23
    • 33

    Snow

    • 20
    • 26

    Snow Likely

    • 24
    • 29

    Chance Snow

Today 16 Oct West Glacier Region

Mostly sunny. Widespread frost and Areas of fog in the morning. Highs in the 40s.

Tonight 16 Oct West Glacier Region

Partly cloudy. Widespread frost after midnight. Lows in the mid 20s to lower 30s. Southwest Winds 15 to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Diamond Lake Temperature Statistics

October Temperature

Missoula, Missoula International Airport (65.9 miles)

  • Lowest 6 October, 2025

    27 °F

  • Average October

    49.2 °F

  • Highest 10 October, 2025

    81 °F

Climate (2020–Present)

Missoula, Missoula International Airport (65.9 miles)

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  • Average Low 2020–2025

    35.6 °F

  • Average 2020–2025

    47.1 °F

  • Average High 2020–2025

    59.3 °F
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