Twin Gardens Airport Weather Forecast

    • 37
    • 66

    Slight Chance Thunderstorms

    • 50
    • 60

    Mostly Cloudy

    • 48
    • 59

    Rain Showers Likely

    • 51
    • 66

    Slight Chance Rain Showers

    • 54
    • 68

    Rain Showers Likely

    • 52
    • 67

    Rain Showers Likely

Today 29 Oct McHenry

Mostly cloudy in the Morning, then clearing. A slight chance of Showers and Thunderstorms early in the morning. Highs in the mid 60s. West Winds around 10 Mph, becoming northwest in the afternoon. Chance of precipitation 20 percent.

Tonight 29 Oct McHenry

Clear, cooler with Lows in the upper 30s. North Winds around 5 Mph.

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Twin Gardens Airport Temperature Statistics

October Temperature

Janesville-Rock County (24.2 miles)

  • Lowest 17 October, 2026

    32 °F

  • Average October

    54.8 °F

  • Highest 12 October, 2026

    86 °F

Climate (2021–2026)

Janesville-Rock County (24.2 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    60.2 °F
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