Fairfield Weather Forecast

    • 56
    • 83

    Partly Sunny

    • 65
    • 86

    Rain Showers

    • 62
    • 81

    Rain Showers

    • 59
    • 84

    Chance Thunderstorms

    • 58
    • 82

    Partly Sunny

    • 63
    • 86

    Slight Chance Thunderstorms

    • 64
    • 87

    Chance Rain Showers

Today 3 Jun Walworth

Mostly sunny. South Winds 5 to 10 Mph.

Tonight 3 Jun Walworth

Warmer. Partly cloudy. Lows in the mid 50s. South Winds up to 5 Mph.

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  • Temperature Forecast NOAA

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Fairfield Temperature Statistics

June Temperature

Janesville-Rock County (13 miles)

  • Lowest 1 June, 2026

    53.6 °F

  • Average June

    62.5 °F

  • Highest 1 June, 2026

    77 °F

Climate (2021–Present)

Janesville-Rock County (13 miles)

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  • Average Low 2021–2026

    40.4 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    60.5 °F
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