Barten Airport Weather Forecast

    • 59
    • 80

    Decreasing Clouds

    • 58
    • 81

    Mostly Sunny

    • 63
    • 84

    Mostly Sunny

    • 66
    • 85

    Chance Rain Showers

    • 63
    • 84

    Rain Showers Likely

    • 61
    • 81

    Slight Chance Thunderstorms

Today 5 Jul Walworth

Mostly cloudy. Highs around 80. Northeast Winds 5 to 10 Mph.

Tonight 5 Jul Walworth

Mostly cloudy. Patchy fog after midnight. Near steady temperature in the mid 60s. North Winds up to 5 Mph.

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Barten Airport Temperature Statistics

July Temperature

Janesville-Rock County (16.2 miles)

  • Lowest 2 July, 2026

    69.8 °F

  • Average July

    78.8 °F

  • Highest 1 July, 2026

    91.4 °F

Climate (2021–2026)

Janesville-Rock County (16.2 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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