Lake Forest Weather Forecast

    • 29
    • 41

    Increasing Clouds

    • 45
    • 57

    Mostly Cloudy

    • 58
    • 65

    Rain Likely

    • 45
    • 75

    Rain Likely

    • 34
    • 56

    Rain Likely

    • 43
    • 51

    Rain Likely

Today 28 Mar Summit

Partly sunny with a slight chance of snow Showers this Morning, then mostly sunny this afternoon. Highs in the lower 40s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of snow 20 percent.

Tonight 28 Mar Summit

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the upper 20s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Forest Temperature Statistics

March Temperature

Portage County Airport (11.2 miles)

  • Lowest 18 March, 2026

    12.7 °F

  • Average March

    44 °F

  • Highest 15 March, 2026

    72.9 °F

Climate (2021–Present)

Portage County Airport (11.2 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    49.8 °F

  • Average High 2021–2026

    59.8 °F
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