Lake Forest Weather Forecast

    • 49
    • 71

    Mostly Cloudy

    • 56
    • 69

    Rain Showers

    • 37
    • 63

    Rain Showers

    • 34
    • 51

    Mostly Sunny

    • 40
    • 62

    Mostly Sunny

    • 44
    • 65

    Mostly Cloudy

Today 14 Oct Summit

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms late this Morning, then a slight chance of Showers this afternoon. Cooler with Highs in the lower 70s. Temperature falling into the upper 60s this afternoon. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 14 Oct Summit

Mostly cloudy. Cooler with Lows in the upper 40s. Northeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Forest Temperature Statistics

October Temperature

Portage County Airport (11.2 miles)

  • Lowest 6 October, 2026

    35.2 °F

  • Average October

    56.9 °F

  • Highest 1 October, 2026

    81.1 °F

Climate (2021–2026)

Portage County Airport (11.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    40.5 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    60 °F
Get WillyWeather+ to remove ads