Round Lake Weather Forecast

    • 13
    • 32

    Mostly Cloudy

    • 11
    • 30

    Mostly Cloudy

    • 2
    • 16

    Mostly Cloudy

    • 19
    • 28

    Mostly Cloudy

    • 25
    • 37

    Mostly Cloudy

    • 20
    • 34

    Slight Chance Rain

Today 8 Jan Roberts

Partly sunny in the Morning, then becoming mostly cloudy. Colder. Near steady temperature in the lower 30s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 8 Jan Roberts

Mostly cloudy. Near steady temperature in the lower 30s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Round Lake Temperature Statistics

January Temperature

Wheaton Municipal Airport (7.5 miles)

  • Lowest 1 January, 2026

    -2.2 °F

  • Average January

    17.9 °F

  • Highest 4 January, 2026

    32 °F

Climate (2021–Present)

Wheaton Municipal Airport (7.5 miles)

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  • Average Low 2021–2026

    35 °F

  • Average 2021–2026

    44.8 °F

  • Average High 2021–2026

    54.6 °F
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