Diamond Lake Weather Forecast

    • 28
    • 43

    Increasing Clouds

    • 26
    • 44

    Areas Freezing Fog

    • 30
    • 39

    Mostly Cloudy

    • 35
    • 45

    Mostly Cloudy

    • 8
    • 47

    Breezy

    • 4
    • 14

    Blustery

    • 12
    • 21

    Mostly Cloudy

Today 23 Dec Minnehaha

Mostly sunny. Near steady temperature in the upper 30s. Northeast Winds 5 to 10 Mph.

Tonight 23 Dec Minnehaha

Mostly cloudy. Lows in the upper 20s. Southeast Winds 10 to 15 Mph.

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Diamond Lake Temperature Statistics

December Temperature

Madison Municipal Airport (11.8 miles)

  • Lowest 3 December, 2025

    -9.4 °F

  • Average December

    18.5 °F

  • Highest 16 December, 2025

    46.4 °F

Climate (2020–Present)

Madison Municipal Airport (11.8 miles)

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  • Average Low 2020–2025

    37.3 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    57.8 °F
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