Jeffris Park Weather Forecast

    • 47
    • 66

    Rain

    • 29
    • 64

    Rain

    • 25
    • 44

    Partly Sunny

    • 35
    • 45

    Rain

    • 39
    • 66

    Rain Likely

    • 34
    • 58

    Partly Sunny

Today 29 Mar Rock

Cooler, cloudy. Slight chance of drizzle late in the Morning, then chance of light rain Showers in the afternoon. Highs in the mid 60s. Southwest Winds 5 to 15 Mph. Chance of Showers 40 percent.

Tonight 29 Mar Rock

Cooler. Light rain likely in the Evening, then light rain and slight chance of Thunderstorms in the late evening and overnight. Lows in the upper 40s. Southeast Winds 5 to 15 Mph. Chance of precipitation 90 percent.

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Jeffris Park Temperature Statistics

March Temperature

Janesville-Rock County (3.1 miles)

  • Lowest 2 March, 2025

    12.2 °F

  • Average March

    38.1 °F

  • Highest 14 March, 2025

    78.8 °F

Climate (2020–Present)

Janesville-Rock County (3.1 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    60.3 °F
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