Fairfield Weather Forecast

    • 67
    • 85

    Chance Rain Showers

    • 67
    • 90

    Rain Showers Likely

    • 57
    • 86

    Thunderstorms Likely

    • 57
    • 78

    Chance Rain Showers

    • 58
    • 83

    Chance Thunderstorms

    • 52
    • 75

    Chance Rain Showers

Today 9 Jun Walworth

Partly sunny with scattered light Showers and chance of Thunderstorms. Northwest Winds 5 to 10 Mph. Chance of precipitation 30 percent.

Tonight 9 Jun Walworth

Partly cloudy through around Midnight, then mostly cloudy with a 50 percent chance of light Showers and Thunderstorms after midnight. Patchy fog early in the morning. Lows in the mid 60s. Northeast Winds up to 5 Mph shifting to the southeast after midnight.

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Fairfield Temperature Statistics

June Temperature

Janesville-Rock County (13 miles)

  • Lowest 3 June, 2026

    44.6 °F

  • Average June

    66.3 °F

  • Highest 4 June, 2026

    87.8 °F

Climate (2021–Present)

Janesville-Rock County (13 miles)

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  • Average Low 2021–2026

    40.3 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    60.4 °F
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