South Clear Lake Weather Forecast

    • 21
    • 31

    Increasing Clouds

    • 34
    • 40

    Chance Rain

    • 28
    • 44

    Mostly Cloudy

    • 40
    • 47

    Rain Likely

    • 37
    • 52

    Chance Rain

    • 30
    • 43

    Mostly Cloudy

Today 21 Dec Western St. Joseph

Mostly sunny. Highs in the lower 30s. Northwest Winds 5 to 10 Mph.

Tonight 21 Dec Western St. Joseph

Clear in the Evening, then becoming partly cloudy. Lows in the lower 20s. South Winds around 5 Mph.

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South Clear Lake Temperature Statistics

December Temperature

South Bend International Airport (4.3 miles)

  • Lowest 15 December, 2025

    1 °F

  • Average December

    23.9 °F

  • Highest 18 December, 2025

    50 °F

Climate (2020–Present)

South Bend International Airport (4.3 miles)

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  • Average Low 2020–2025

    43.3 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    61.7 °F
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