Lake Forest Weather Forecast

    • 68
    • 87

    Rain Showers Likely

    • 64
    • 82

    Rain Showers Likely

    • 60
    • 82

    Partly Sunny

    • 62
    • 83

    Mostly Sunny

    • 66
    • 87

    Mostly Sunny

    • 69
    • 90

    Partly Sunny

Today 9 Jul Summit

Partly cloudy this Morning, then clearing. Highs in the upper 80s. Southwest Winds 5 to 10 Mph.

Tonight 9 Jul Summit

Mostly cloudy with a chance of Showers and Thunderstorms. Humid with Lows in the upper 60s. Southwest Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Forest Temperature Statistics

July Temperature

Portage County Airport (11.2 miles)

  • Lowest 7 July, 2026

    66.6 °F

  • Average July

    77 °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 °F

  • Average High 2021–2026

    60 °F
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