Clear Lake Weather Forecast

    • 15
    • 30

    Mostly Cloudy

    • 20
    • 41

    Partly Sunny

    • 23
    • 39

    Rain Likely

    • -4
    • 27

    Blustery

    • 18
    • 32

    Mostly Cloudy

    • 8
    • 31

    Partly Sunny

Today 15 Dec Brown

Not as cold. Sunny. Highs in the lower 30s. West Winds 5 to 10 Mph.

Tonight 15 Dec Brown

Not as cold. Mostly cloudy. Lows around 15. Temperatures rising into the mid 20s after midnight. South Winds up to 10 Mph. Gusts up to 25 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clear Lake Temperature Statistics

December Temperature

New Ulm Municipal Airport (4.3 miles)

  • Lowest 4 December, 2025

    -5.8 °F

  • Average December

    15.8 °F

  • Highest 9 December, 2025

    37.4 °F

Climate (2020–Present)

New Ulm Municipal Airport (4.3 miles)

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  • Average Low 2020–2025

    37.4 °F

  • Average 2020–2025

    47.1 °F

  • Average High 2020–2025

    56.7 °F
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