Lake Forest Weather Forecast

    • 61
    • 79

    Mostly Cloudy

    • 61
    • 81

    Partly Sunny

    • 67
    • 84

    Chance Thunderstorms

    • 68
    • 87

    Rain Showers Likely

    • 63
    • 83

    Chance Thunderstorms

    • 60
    • 79

    Mostly Sunny

Today 24 Jul Summit

Mostly cloudy. Highs in the upper 70s. East Winds around 5 Mph.

Tonight 24 Jul Summit

Mostly cloudy in the Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 60s. East Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Forest Temperature Statistics

July Temperature

Portage County Airport (11.2 miles)

  • Lowest 22 July, 2026

    50.9 °F

  • Average July

    73.6 °F

  • Highest 1 July, 2026

    94.5 °F

Climate (2021–2026)

Portage County Airport (11.2 miles)

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  • Average Low 2021–2026

    40.5 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    60.1 °F
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