Big Hill Park Weather Forecast

    • 66
    • 81

    Rain Showers

    • 68
    • 88

    Slight Chance Thunderstorms

    • 68
    • 93

    Rain Showers Likely

    • 60
    • 86

    Thunderstorms Likely

    • 61
    • 85

    Slight Chance Thunderstorms

    • 60
    • 83

    Chance Thunderstorms

Today 8 Jun Rock

Showers and scattered Thunderstorms. Highs in the lower 80s. Southeast Winds 10 to 15 Mph. Chance of precipitation near 100 percent.

Tonight 8 Jun Rock

Mostly cloudy. Showers and chance of Thunderstorms through around Midnight, then chance of light Showers and slight chance of Thunderstorms after midnight. Lows in the mid 60s. South Winds up to 10 Mph. Chance of precipitation 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Hill Park Temperature Statistics

June Temperature

Janesville-Rock County (4.3 miles)

  • Lowest 3 June, 2026

    44.6 °F

  • Average June

    65.7 °F

  • Highest 4 June, 2026

    87.8 °F

Climate (2021–Present)

Janesville-Rock County (4.3 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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