Fairfield Weather Forecast

    • 55
    • 74

    Slight Chance Thunderstorms

    • 51
    • 72

    Rain Showers Likely

    • 55
    • 71

    Rain Showers

    • 51
    • 71

    Slight Chance Thunderstorms

    • 52
    • 73

    Slight Chance Thunderstorms

    • 55
    • 75

    Chance Rain Showers

    • 57
    • 77

    Chance Rain Showers

Today 15 Jun Walworth

Partly sunny. West Winds 10 to 15 Mph.

Tonight 15 Jun Walworth

Partly cloudy. A 20 percent chance of light rain Showers and Thunderstorms early in the morning. Lows in the mid 50s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fairfield Temperature Statistics

June Temperature

Janesville-Rock County (13 miles)

  • Lowest 3 June, 2026

    44.6 °F

  • Average June

    68.1 °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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