Darien Weather Forecast

    • 22
    • 32

    Mostly Cloudy

    • 32
    • 37

    Mostly Cloudy

    • 20
    • 38

    Mostly Cloudy

    • 20
    • 33

    Partly Sunny

    • 21
    • 34

    Chance Snow

    • 23
    • 37

    Partly Sunny

    • 25
    • 37

    Chance Rain/Snow

Today 8 Feb Walworth

Partly sunny. Southeast Winds 5 to 10 Mph.

Tonight 8 Feb Walworth

Mostly cloudy. Lows around 19. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Darien Temperature Statistics

February Temperature

Janesville-Rock County (16.8 miles)

  • Lowest 4 February, 2026

    -4 °F

  • Average February

    17.8 °F

  • Highest 6 February, 2026

    37.4 °F

Climate (2021–Present)

Janesville-Rock County (16.8 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    60.2 °F
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