Fairfield Weather Forecast

    • 55
    • 72

    Decreasing Clouds

    • 51
    • 73

    Mostly Sunny

    • 52
    • 76

    Mostly Sunny

    • 62
    • 79

    Partly Sunny

    • 65
    • 80

    Chance Rain Showers

    • 63
    • 78

    Chance Rain Showers

Today 26 Sep Wayne

Partly sunny. Highs in the lower 70s. Northeast Winds around 5 Mph.

Tonight 26 Sep Wayne

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 50s. Calm Winds.

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Fairfield Temperature Statistics

September Temperature

Fairfield, Fairfield Municipal Airport (2.5 miles)

  • Lowest 22 September, 2026

    59 °F

  • Average September

    78.2 °F

  • Highest 5 September, 2026

    101.7 °F

Climate (2021–2026)

Fairfield, Fairfield Municipal Airport (2.5 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    56.8 °F

  • Average High 2021–2026

    66.5 °F
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