Twin Gardens Airport Weather Forecast

    • 63
    • 85

    Increasing Clouds

    • 63
    • 79

    Rain

    • 59
    • 74

    Rain Showers Likely

    • 57
    • 79

    Partly Sunny

    • 61
    • 82

    Mostly Sunny

    • 64
    • 85

    Slight Chance Thunderstorms

Today 30 Jul McHenry

Mostly sunny late in the Morning, then becoming partly cloudy. Highs in the mid 80s. Southwest Winds around 5 Mph.

Tonight 30 Jul McHenry

Mostly cloudy. Lows in the lower 60s. South Winds around 5 Mph in the Evening, becoming light and variable.

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Twin Gardens Airport Temperature Statistics

July Temperature

Janesville-Rock County (24.2 miles)

  • Lowest 22 July, 2026

    50 °F

  • Average July

    74.9 °F

  • Highest 14 July, 2026

    95 °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

    60.4 °F
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