Big Hill Park Weather Forecast

    • 41
    • 50

    Slight Chance Thunderstorms

    • 53
    • 66

    Rain

    • 33
    • 54

    Partly Sunny

    • 46
    • 60

    Mostly Sunny

    • 45
    • 68

    Mostly Sunny

    • 40
    • 68

    Rain

    • 26
    • 52

    Chance Rain/Snow

Today 5 Mar Rock

Cloudy. East Winds around 5 Mph.

Tonight 5 Mar Rock

Cloudy. Areas of fog through the night. Lows in the lower 40s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Hill Park Temperature Statistics

March Temperature

Janesville-Rock County (4.3 miles)

  • Lowest 1 March, 2026

    10.4 °F
  • Average March

    27.8 °F
  • Highest 3 March, 2026

    46.4 °F

Climate (2021–Present)

Janesville-Rock County (4.3 miles)

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  • Average Low 2021–2026

    40.4 °F
  • Average 2021–2026

    48.8 °F
  • Average High 2021–2026

    60.4 °F
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