Saint Marys Lake Weather Forecast

    • 31
    • 34

    Mostly Cloudy

    • 34
    • 50

    Slight Chance Rain

    • 23
    • 39

    Mostly Cloudy

    • 27
    • 33

    Cloudy

    • 27
    • 41

    Rain Likely

    • 17
    • 37

    Chance Rain

Today 1 Feb Lake

Mostly cloudy. Highs in the mid 30s. East Winds 10 to 15 Mph in the Morning, becoming southeast in the afternoon. Gusts up to 25 Mph.

Tonight 1 Feb Lake

Cloudy. A slight chance of rain in the Evening, then snow likely with a chance of rain after midnight. Little or no snow accumulation. Lows in the lower 30s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of precipitation 60 percent.

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Saint Marys Lake Temperature Statistics

February Temperature

Chicago/Waukegan Regional Airport (11.8 miles)

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  • Average February

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Climate (2020–Present)

Chicago/Waukegan Regional Airport (11.8 miles)

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  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    59.3 °F
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