Diamond Lake Weather Forecast

    • 23
    • 42

    Decreasing Clouds

    • 20
    • 42

    Mostly Cloudy

    • 12
    • 43

    Chance Snow

    • 18
    • 30

    Partly Sunny

    • 27
    • 49

    Partly Sunny

    • 27
    • 51

    Mostly Cloudy

    • 22
    • 41

    Mostly Cloudy

Today 4 Dec Brown

Mostly sunny. Highs in the lower 40s. Southwest Winds 10 to 20 Mph. Gusts up to 35 Mph in the morning.

Tonight 4 Dec Brown

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the lower 20s. West Winds around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Diamond Lake Temperature Statistics

December Temperature

Ainsworth Regional Airport (24.2 miles)

  • Lowest 1 December, 2025

    11.3 °F

  • Average December

    25.9 °F

  • Highest 2 December, 2025

    43.2 °F

Climate (2020–Present)

Ainsworth Regional Airport (24.2 miles)

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  • Average Low 2020–2025

    37.8 °F

  • Average 2020–2025

    49.4 °F

  • Average High 2020–2025

    61.8 °F
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