Lake Forest Weather Forecast

    • 21
    • 39

    Rain/Snow

    • 19
    • 28

    Chance Snow

    • 18
    • 31

    Snow Likely

    • 14
    • 26

    Snow Likely

    • 10
    • 20

    Chance Snow

    • 14
    • 23

    Chance Snow

Today 10 Dec Summit

Snow, rain. Additional snow accumulation up to 1 inch. Highs around 40. Temperature falling into the mid 30s in the afternoon. Southwest Winds 15 to 20 Mph with Gusts up to 40 Mph. Chance of precipitation near 100 percent.

Tonight 10 Dec Summit

Rain, snow with a slight chance of freezing rain. Snow accumulation up to 1 inch. Additional ice accumulation around a trace. Not as cool with Lows in the lower 30s. South Winds 15 to 20 Mph with Gusts up to 40 Mph. Chance of precipitation near 100 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Forest Temperature Statistics

December Temperature

Portage County Airport (11.2 miles)

  • Lowest 5 December, 2025

    6.1 °F

  • Average December

    26.1 °F

  • Highest 7 December, 2025

    34.2 °F

Climate (2020–Present)

Portage County Airport (11.2 miles)

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

  • Average Low 2020–2025

    40.5 °F

  • Average 2020–2025

    49.9 °F

  • Average High 2020–2025

    59.8 °F
Get WillyWeather+ to remove ads