Busseyville Weather Forecast

    • 60
    • 68

    Rain Showers

    • 53
    • 66

    Chance Rain Showers

    • 48
    • 63

    Mostly Cloudy

    • 47
    • 61

    Partly Sunny

    • 49
    • 64

    Partly Sunny

    • 51
    • 67

    Partly Sunny

    • 50
    • 71

    Partly Sunny

Today 19 Sep Jefferson

Partly sunny. Highs in the lower 70s.

Tonight 19 Sep Jefferson

Showers and chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Lows around 60. Northeast Winds 5 to 10 Mph. Chance of precipitation 90 percent.

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Busseyville Temperature Statistics

September Temperature

Janesville-Rock County (19.3 miles)

  • Lowest 14 September, 2026

    42.8 °F

  • Average September

    67.5 °F

  • Highest 1 September, 2026

    91.4 °F

Climate (2021–2026)

Janesville-Rock County (19.3 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.2 °F
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