Busseyville Weather Forecast

    • 58
    • 73

    Rain Showers

    • 60
    • 79

    Partly Sunny

    • 64
    • 82

    Chance Rain Showers

    • 64
    • 81

    Chance Thunderstorms

    • 65
    • 83

    Rain Showers Likely

    • 64
    • 81

    Chance Thunderstorms

Today 5 Aug Jefferson

Cooler. Cloudy with chance of light Showers and slight chance of Thunderstorms. Highs in the lower 70s. West Winds around 5 Mph. Chance of precipitation 50 percent.

Tonight 5 Aug Jefferson

Mostly cloudy then becoming partly cloudy after midnight then becoming mostly cloudy. Chance of light rain Showers and slight chance of Thunderstorms in the evening. Patchy fog in the late evening and overnight. Lows in the upper 50s. Northwest Winds up to 5 Mph through around midnight becoming calm. Chance of precipitation 30 percent.

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Busseyville Temperature Statistics

August Temperature

Janesville-Rock County (19.3 miles)

  • Lowest 3 August, 2026

    53.6 °F

  • Average August

    66.1 °F

  • Highest 3 August, 2026

    82.4 °F

Climate (2021–2026)

Janesville-Rock County (19.3 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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