Diamond Lake Weather Forecast

    • 21
    • 41

    Decreasing Clouds

    • 22
    • 33

    Increasing Clouds

    • 22
    • 32

    Partly Sunny

    • 27
    • 39

    Chance Snow

    • 24
    • 33

    Snow Likely

    • 19
    • 28

    Chance Snow

    • 19
    • 30

    Slight Chance Snow

Today 23 Oct West Glacier Region

Partly cloudy. A 20 percent chance of snow in the morning. Highs in the 40s.

Tonight 23 Oct West Glacier Region

Mostly cloudy early in the evening then becoming partly cloudy. Areas of fog after midnight. Patchy fog late in the night. Lows in the mid 20s to lower 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Diamond Lake Temperature Statistics

October Temperature

Missoula, Missoula International Airport (65.9 miles)

  • Lowest 15 October, 2026

    25.6 °F

  • Average October

    49.8 °F

  • Highest 5 October, 2026

    81.6 °F

Climate (2021–2026)

Missoula, Missoula International Airport (65.9 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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