Lake Forest Weather Forecast

    • 17
    • 35

    Snow Showers Likely

    • 12
    • 27

    Chance Snow Showers

    • 31
    • 36

    Rain

    • 25
    • 40

    Rain/Snow

    • 20
    • 31

    Chance Snow

    • 12
    • 29

    Snow Likely

Today 7 Dec Summit

Cloudy. A chance of snow Showers this Morning, then snow Showers likely this afternoon. Snow accumulation around an inch. Highs in the mid 30s. Southwest Winds 5 to 10 Mph, becoming west this afternoon. Chance of snow 60 percent.

Tonight 7 Dec Summit

Mostly cloudy. A chance of snow Showers in the evening. Little or no additional snow accumulation. Lows around 18. North Winds 5 to 10 Mph. Chance of snow 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Forest Temperature Statistics

December Temperature

Portage County Airport (11.2 miles)

  • Lowest 4 December, 2025

    7.5 °F

  • Average December

    26.3 °F

  • Highest 1 December, 2025

    32.4 °F

Climate (2020–Present)

Portage County Airport (11.2 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    50 °F

  • Average High 2020–2025

    59.9 °F
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