Jackman Park Weather Forecast

    • 38
    • 52

    Increasing Clouds

    • 37
    • 56

    Mostly Cloudy

    • 42
    • 66

    Partly Sunny

    • 26
    • 49

    Mostly Cloudy

    • 29
    • 44

    Mostly Cloudy

    • 32
    • 51

    Mostly Cloudy

Today 19 Mar Rock

Not as cool. Sunny late in the morning and early afternoon then becoming partly sunny. Highs in the lower 50s. East Winds up to 5 Mph.

Tonight 19 Mar Rock

Mostly cloudy. Lows in the mid 30s. Southeast Winds around 5 Mph shifting to the southwest after midnight.

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Jackman Park Temperature Statistics

March Temperature

Janesville-Rock County (5.6 miles)

  • Lowest 1 March, 2026

    10.4 °F

  • Average March

    37 °F

  • Highest 9 March, 2026

    71.6 °F

Climate (2021–Present)

Janesville-Rock County (5.6 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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