Darien Weather Forecast

    • 44
    • 63

    Increasing Clouds

    • 52
    • 73

    Rain

    • 27
    • 59

    Chance Rain/Snow

    • 25
    • 42

    Partly Sunny

    • 41
    • 57

    Partly Sunny

    • 38
    • 65

    Chance Rain

Today 13 Mar Walworth

Mostly sunny. Highs in the lower 60s. East Winds up to 10 Mph.

Tonight 13 Mar Walworth

Not as cool. Partly cloudy. A 20 percent chance of light rain Showers early in the morning. Lows in the lower 40s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Darien Temperature Statistics

March Temperature

Janesville-Rock County (16.8 miles)

  • Lowest 2 March, 2025

    12.2 °F

  • Average March

    34.6 °F

  • Highest 10 March, 2025

    68 °F

Climate (2020–Present)

Janesville-Rock County (16.8 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    48.8 °F

  • Average High 2020–2025

    60.2 °F
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