Diamond Lake Weather Forecast

    • 27
    • 33

    Increasing Clouds

    • 33
    • 43

    Mostly Cloudy

    • 32
    • 39

    Rain/Snow

    • 24
    • 34

    Snow Likely

    • 19
    • 30

    Blustery

    • 24
    • 40

    Mostly Sunny

Today 22 Mar Lower Clark Fork Region

Sunny. Highs in the mid 40s to lower 50s.

Tonight 22 Mar Lower Clark Fork Region

Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 20s to mid 30s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Diamond Lake Temperature Statistics

March Temperature

Mullan Pass, Mullan Pass Vor (31.1 miles)

  • Lowest 15 March, 2026

    8.1 °F

  • Average March

    29.1 °F

  • Highest 19 March, 2026

    46.9 °F

Climate (2021–Present)

Mullan Pass, Mullan Pass Vor (31.1 miles)

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  • Average Low 2021–2026

    34 °F

  • Average 2021–2026

    40 °F

  • Average High 2021–2026

    46.3 °F
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