Fairfield Weather Forecast

    • 61
    • 94

    Mostly Sunny

    • 64
    • 90

    Chance Rain Showers

    • 65
    • 90

    Partly Sunny

    • 65
    • 87

    Chance Thunderstorms

    • 64
    • 86

    Chance Thunderstorms

    • 63
    • 83

    Chance Rain Showers

    • 60
    • 81

    Chance Rain Showers

Today 18 Sep Wayne

Sunny. Near steady temperature in the lower 90s. Southeast Winds around 5 Mph.

Tonight 18 Sep Wayne

Mostly clear. Lows around 60. East Winds around 5 Mph early this Evening, becoming light and variable.

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Fairfield Temperature Statistics

September Temperature

Fairfield, Fairfield Municipal Airport (2.5 miles)

  • Lowest 7 September, 2025

    46 °F

  • Average September

    69.5 °F

  • Highest 14 September, 2025

    97.7 °F

Climate (2020–Present)

Fairfield, Fairfield Municipal Airport (2.5 miles)

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  • Average Low 2020–2025

    46.7 °F

  • Average 2020–2025

    56.2 °F

  • Average High 2020–2025

    65.8 °F
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