Fairfield Weather Forecast

    • 52
    • 76

    Breezy

    • 28
    • 55

    Chance Rain/Snow

    • 26
    • 42

    Slight Chance Snow

    • 37
    • 53

    Mostly Sunny

    • 42
    • 67

    Mostly Cloudy

    • 27
    • 57

    Rain/Snow Likely

Today 14 Mar Walworth

Warmer, breezy. Partly sunny until late afternoon then clearing. Highs in the mid 70s. South Winds 10 to 15 Mph increasing to 15 to 25 Mph in the afternoon.

Tonight 14 Mar Walworth

Warmer, breezy. Partly cloudy in the Evening, then rain and Thunderstorms in the late evening and early morning. Partly cloudy with slight chance of light rain early in the morning. Lows in the lower 50s. South Winds 15 to 25 Mph. Gusts up to 40 Mph through around midnight. Chance of precipitation near 100 percent.

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Fairfield Temperature Statistics

March Temperature

Janesville-Rock County (13 miles)

  • Lowest 2 March, 2025

    12.2 °F

  • Average March

    35.2 °F

  • Highest 10 March, 2025

    68 °F

Climate (2020–Present)

Janesville-Rock County (13 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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