Roscoe Weather Forecast

    • 66
    • 78

    Rain Showers

    • 66
    • 84

    Isolated Thunderstorms

    • 67
    • 83

    Thunderstorms

    • 67
    • 82

    Rain Showers

    • 68
    • 88

    Chance Thunderstorms

    • 71
    • 94

    Slight Chance Thunderstorms

Today 5 Jun Winnebago

Showers and scattered Thunderstorms. Locally heavy rainfall possible in the morning. Highs in the upper 70s. Southwest Winds 10 to 15 Mph. Chance of precipitation near 100 percent.

Tonight 5 Jun Winnebago

Partly cloudy in the Evening, then becoming mostly cloudy. Isolated Showers and Thunderstorms early in the Evening, then scattered Showers and Thunderstorms in the late evening and overnight. Lows in the mid 60s. Southwest Winds 5 to 10 Mph. Chance of precipitation 50 percent.

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Roscoe Temperature Statistics

June Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 3 June, 2026

    44.6 °F

  • Average June

    61.5 °F

  • Highest 3 June, 2026

    82.4 °F

Climate (2021–Present)

Janesville-Rock County (14.3 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.4 °F
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