Lake Forest Weather Forecast

    • 59
    • 79

    Increasing Clouds

    • 59
    • 80

    Rain Showers

    • 61
    • 77

    Rain Showers Likely

    • 60
    • 83

    Slight Chance Thunderstorms

    • 64
    • 87

    Partly Sunny

    • 70
    • 92

    Partly Sunny

Today 24 Jun Summit

Patchy fog in the morning. Mostly sunny. Highs in the upper 70s. Light and variable Winds, becoming west around 5 Mph in the afternoon.

Tonight 24 Jun Summit

Mostly clear. Patchy fog. Lows in the lower 50s. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Forest Temperature Statistics

June Temperature

Portage County Airport (11.2 miles)

  • Lowest 1 June, 2026

    45.3 °F

  • Average June

    67.4 °F

  • Highest 10 June, 2026

    87.6 °F

Climate (2021–2026)

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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