Cottonwood Lake Weather Forecast

    • 4
    • 22

    Areas Fog

    • 14
    • 24

    Slight Chance Freezing Rain

    • 17
    • 33

    Slight Chance Freezing Rain

    • -6
    • 29

    Slight Chance Snow

    • -11
    • 3

    Cold

    • 8
    • 20

    Mostly Cloudy

Today 24 Dec McHenry

Patchy fog late in the morning. Mostly sunny. Highs around 20. Temperature falling to around 15 in the afternoon. Northeast Winds around 10 Mph.

Tonight 24 Dec McHenry

Increasing Clouds. Areas of fog. Lows zero to 5 above. East Winds 10 to 15 Mph with Gusts up to 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Cottonwood Lake Temperature Statistics

December Temperature

Harvey Municipal Airport (34.8 miles)

  • Lowest 7 December, 2025

    -18.4 °F

  • Average December

    12.8 °F

  • Highest 16 December, 2025

    44.6 °F

Climate (2020–Present)

Harvey Municipal Airport (34.8 miles)

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

  • Average Low 2020–2025

    30.3 °F

  • Average 2020–2025

    41.3 °F

  • Average High 2020–2025

    52 °F
Get WillyWeather+ to remove ads