Crystal Lake Weather Forecast

    • 32
    • 37

    Areas Fog

    • 33
    • 37

    Cloudy

    • 33
    • 43

    Mostly Cloudy

    • 20
    • 49

    Mostly Cloudy

    • 5
    • 28

    Slight Chance Snow

    • 8
    • 16

    Partly Sunny

    • 12
    • 32

    Mostly Cloudy

Today 24 Dec Hancock

Cloudy. Patchy fog this afternoon. Highs in the upper 30s. Southeast Winds 5 to 10 Mph.

Tonight 24 Dec Hancock

Cloudy. Areas of fog. Near steady temperature in the mid 30s. Northeast Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

December Temperature

Forest City Municipal Airport (8.1 miles)

  • Lowest 4 December, 2025

    -14.8 °F

  • Average December

    18.3 °F

  • Highest 16 December, 2025

    39.2 °F

Climate (2020–Present)

Forest City Municipal Airport (8.1 miles)

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

  • Average Low 2020–2025

    36.6 °F

  • Average 2020–2025

    47.2 °F

  • Average High 2020–2025

    57.3 °F
Get WillyWeather+ to remove ads