Lake Forest Weather Forecast

    • 72
    • 94

    Increasing Clouds

    • 65
    • 89

    Smoke

    • 69
    • 90

    Rain Showers

    • 67
    • 87

    Rain Showers

    • 64
    • 83

    Partly Sunny

    • 66
    • 86

    Rain Showers Likely

Today 15 Jul Summit

Mostly sunny. Hot with Highs in the mid 90s. West Winds 5 to 10 Mph. Heat index Values in the upper 90s.

Tonight 15 Jul Summit

Mostly clear in the Evening, then becoming partly cloudy. Patchy smoke in the Evening, then Areas of smoke after midnight. Humid with Lows in the lower 70s. North Winds 5 to 10 Mph, becoming northeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Forest Temperature Statistics

July Temperature

Portage County Airport (11.2 miles)

  • Lowest 13 July, 2026

    61.7 °F

  • Average July

    75.1 °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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