Twin Gardens Airport Weather Forecast

    • 10
    • 22

    Patchy Freezing Fog

    • 26
    • 34

    Patchy Freezing Fog

    • 27
    • 35

    Rain

    • 7
    • 42

    Rain

    • 18
    • 25

    Mostly Cloudy

    • 17
    • 38

    Mostly Cloudy

    • 21
    • 30

    Mostly Cloudy

Today 15 Dec McHenry

Mostly cloudy. Blustery. Highs in the lower 20s. Southwest Winds 15 to 20 Mph, Diminishing to 10 to 15 Mph in the afternoon. Gusts up to 30 Mph. Wind chill Values as low as 14 below in the morning.

Tonight 15 Dec McHenry

Partly cloudy. Patchy freezing fog after midnight. Lows around 11. Southwest Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Twin Gardens Airport Temperature Statistics

December Temperature

Janesville-Rock County (24.2 miles)

  • Lowest 4 December, 2025

    -5.8 °F

  • Average December

    18.8 °F

  • Highest 10 December, 2025

    37.4 °F

Climate (2020–Present)

Janesville-Rock County (24.2 miles)

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

  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    48.7 °F

  • Average High 2020–2025

    60.2 °F
Get WillyWeather+ to remove ads