Lake Forest Weather Forecast

    • 57
    • 73

    Rain Showers Likely

    • 45
    • 68

    Rain Showers

    • 40
    • 54

    Rain Showers

    • 39
    • 56

    Chance Rain Showers

    • 46
    • 60

    Chance Rain Showers

    • 46
    • 65

    Chance Rain Showers

    • 47
    • 69

    Chance Rain Showers

Today 4 May Summit

Mostly sunny with a slight chance of Showers and Thunderstorms. Not as cool with Highs in the lower 70s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 4 May Summit

Mostly cloudy with a chance of Thunderstorms. Showers Likely, mainly this evening. Lows in the upper 50s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Forest Temperature Statistics

May Temperature

Portage County Airport (11.2 miles)

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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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