Twin Gardens Airport Weather Forecast

    • 44
    • 66

    Rain Showers

    • 65
    • 75

    Rain Showers

    • 57
    • 80

    Rain Showers

    • 62
    • 71

    Rain Showers

    • 60
    • 76

    Chance Rain Showers

    • 60
    • 75

    Chance Rain Showers

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    • 77

    Chance Rain Showers

Today 13 Sep McHenry

Mostly cloudy. Scattered Showers. Temperatures in the lower 60s. Northwest Winds 5 to 10 Mph. Chance of precipitation 50 percent.

Tonight 13 Sep McHenry

Mostly clear. Patchy fog late. Lows in the mid 40s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Twin Gardens Airport Temperature Statistics

September Temperature

Janesville-Rock County (24.2 miles)

  • Lowest 11 September, 2026

    53.6 °F

  • Average September

    70.7 °F

  • Highest 1 September, 2026

    91.4 °F

Climate (2021–2026)

Janesville-Rock County (24.2 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.3 °F
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