Diamond Lake Weather Forecast

    • 53
    • 59

    Partly Sunny

    • 45
    • 62

    Mostly Sunny

    • 46
    • 62

    Partly Sunny

    • 36
    • 57

    Chance Snow

    • 27
    • 39

    Snow Likely

    • 26
    • 29

    Slight Chance Snow

    • 27
    • 34

    Partly Sunny

Today 6 Oct Lower Clark Fork Region

Mostly sunny. A 20 percent chance of snow in the morning. Highs in the 50s.

Tonight 6 Oct Lower Clark Fork Region

Partly cloudy. Lows in the upper 30s to mid 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Diamond Lake Temperature Statistics

October Temperature

Mullan Pass, Mullan Pass Vor (31.1 miles)

  • Lowest 1 October, 2026

    41 °F

  • Average October

    51.9 °F

  • Highest 4 October, 2026

    69.1 °F

Climate (2021–2026)

Mullan Pass, Mullan Pass Vor (31.1 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    39.7 °F

  • Average High 2021–2026

    46 °F
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