Lake Forest Weather Forecast

    • 66
    • 81

    Chance Thunderstorms

    • 68
    • 80

    Rain Showers Likely

    • 68
    • 83

    Rain Showers Likely

    • 61
    • 77

    Chance Thunderstorms

    • 62
    • 80

    Partly Sunny

    • 71
    • 86

    Slight Chance Thunderstorms

Today 16 Jun Summit

Mostly cloudy. A chance of Showers and Thunderstorms this afternoon. Highs around 80. East Winds around 5 Mph. Chance of rain 50 percent.

Tonight 16 Jun Summit

Mostly cloudy with a chance of Showers. A chance of Thunderstorms, mainly in the evening. Humid with Lows in the upper 60s. Southeast Winds around 5 Mph. Chance of rain 50 percent.

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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, 2025

    38.1 °F

  • Average June

    64.9 °F

  • Highest 12 June, 2025

    84.9 °F

Climate (2020–Present)

Portage County Airport (11.2 miles)

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  • Average Low 2020–2025

    41 °F

  • Average 2020–2025

    50.3 °F

  • Average High 2020–2025

    60.2 °F
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