Clover Valley Airport Weather Forecast

    • 53
    • 66

    Mostly Cloudy

    • 54
    • 72

    Chance Rain Showers

    • 53
    • 78

    Chance Rain Showers

    • 57
    • 85

    Mostly Sunny

    • 59
    • 86

    Slight Chance Rain Showers

    • 59
    • 86

    Slight Chance Thunderstorms

Today 22 May Walworth

Mostly cloudy. Highs in the mid 60s. East Winds 10 to 15 Mph.

Tonight 22 May Walworth

Mostly cloudy. Chance of Sprinkles until early Morning, then chance of light rain Showers early in the morning. Lows in the lower 50s. East Winds 5 to 15 Mph. Chance of Showers 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clover Valley Airport Temperature Statistics

May Temperature

Janesville-Rock County (20.5 miles)

  • Lowest 2 May, 2026

    30.2 °F

  • Average May

    53.9 °F

  • Highest 17 May, 2026

    84.2 °F

Climate (2021–Present)

Janesville-Rock County (20.5 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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