Roscoe Weather Forecast

    • 56
    • 78

    Rain Showers

    • 60
    • 79

    Sunny

    • 55
    • 83

    Rain Showers

    • 51
    • 70

    Mostly Sunny

    • 52
    • 73

    Partly Sunny

    • 55
    • 75

    Chance Thunderstorms

    • 60
    • 78

    Rain Showers Likely

Today 11 Jun Winnebago

Showers with Thunderstorms likely. Some Thunderstorms may be severe with heavy rainfall. Locally heavy rainfall possible. Breezy. Temperatures in the upper 70s. South Winds 15 to 25 Mph with Gusts up to 30 Mph. Chance of precipitation near 100 percent.

Tonight 11 Jun Winnebago

Partly cloudy late in the evening then clearing. Lows in the mid 50s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to 5 to 10 Mph after midnight.

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Roscoe Temperature Statistics

June Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 3 June, 2026

    44.6 °F

  • Average June

    67.6 °F

  • Highest 4 June, 2026

    87.8 °F

Climate (2021–Present)

Janesville-Rock County (14.3 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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