Twin Gardens Airport Weather Forecast

    • 74
    • 90

    Slight Chance Thunderstorms

    • 70
    • 90

    Thunderstorms Likely

    • 66
    • 83

    Chance Thunderstorms

    • 68
    • 85

    Chance Thunderstorms

    • 69
    • 89

    Mostly Sunny

    • 69
    • 89

    Chance Thunderstorms

Today 23 Jul McHenry

Partly cloudy in the Morning, then clearing. A slight chance of Showers and Thunderstorms through mid morning. Hot and humid with Highs around 90. South Winds 10 to 15 Mph. Chance of precipitation 20 percent. Heat index Values up to 106 in the afternoon.

Tonight 23 Jul McHenry

Mostly clear. Warm and humid with Lows in the mid 70s. Southwest Winds 5 to 10 Mph. Heat index Values up to 100 early in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Twin Gardens Airport Temperature Statistics

July Temperature

Janesville-Rock County (24.2 miles)

  • Lowest 18 July, 2025

    50 °F

  • Average July

    70.5 °F

  • Highest 3 July, 2025

    89.6 °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

    40.5 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    60.3 °F
Get WillyWeather+ to remove ads