Lake Forest Weather Forecast

    • 21
    • 58

    Snow Likely

    • 18
    • 29

    Snow Likely

    • 32
    • 39

    Mostly Cloudy

    • 36
    • 51

    Chance Rain

    • 40
    • 55

    Chance Rain

    • 35
    • 55

    Slight Chance Rain/Snow

Today 16 Mar Summit

Rain this Morning, then a chance of rain and snow this afternoon. Little or no snow accumulation. Breezy and much cooler with Highs in the upper 50s. Temperature falling into the mid 30s this afternoon. Southwest Winds 20 to 25 Mph with Gusts up to 45 Mph. Chance of precipitation near 100 percent.

Tonight 16 Mar Summit

Snow likely. Snow accumulation around an inch. Much cooler with Lows in the lower 20s. West Winds 15 to 20 Mph with Gusts up to 40 Mph. Chance of snow 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Forest Temperature Statistics

March Temperature

Portage County Airport (11.2 miles)

  • Lowest 2 March, 2026

    14.7 °F

  • Average March

    45.5 °F

  • Highest 7 March, 2026

    72.5 °F

Climate (2021–Present)

Portage County Airport (11.2 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    59.9 °F
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