Roscoe Weather Forecast

    • 61
    • 78

    Decreasing Clouds

    • 75
    • 85

    Partly Sunny

    • 76
    • 91

    Partly Sunny

    • 76
    • 93

    Mostly Sunny

    • 74
    • 93

    Mostly Sunny

    • 73
    • 93

    Slight Chance Thunderstorms

Today 27 Jun Winnebago

Mostly cloudy early in the Morning, then becoming partly cloudy. A slight chance of Sprinkles early in the morning. Highs in the upper 70s. East Winds 5 to 10 Mph.

Tonight 27 Jun Winnebago

Partly cloudy. Lows in the lower 60s. East Winds 5 to 10 Mph.

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Roscoe Temperature Statistics

June Temperature

Janesville-Rock County (14.3 miles)

  • Lowest 3 June, 2026

    44.6 °F

  • Average June

    64.9 °F

  • Highest 4 June, 2026

    87.8 °F

Climate (2021–2026)

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

    60.3 °F
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