Lake Forest Weather Forecast

    • 58
    • 65

    Chance Rain Showers

    • 62
    • 75

    Mostly Cloudy

    • 60
    • 80

    Chance Rain Showers

    • 51
    • 70

    Chance Rain Showers

    • 50
    • 68

    Rain Showers Likely

    • 40
    • 65

    Rain Showers Likely

Today 11 Oct Summit

Rain this Morning, then Showers likely this afternoon. Highs in the mid 60s. East Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 11 Oct Summit

Mostly cloudy. A chance of Showers in the evening. Lows in the upper 50s. North Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Forest Temperature Statistics

October Temperature

Portage County Airport (11.2 miles)

  • Lowest 6 October, 2026

    35.2 °F

  • Average October

    56.2 °F

  • Highest 1 October, 2026

    81.1 °F

Climate (2021–2026)

Portage County Airport (11.2 miles)

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  • Average Low 2021–2026

    40.5 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    60 °F
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