Fairfield Weather Forecast

    • 57
    • 77

    Mostly Sunny

    • 69
    • 91

    Partly Sunny

    • 71
    • 92

    Chance Thunderstorms

    • 69
    • 93

    Chance Rain Showers

    • 66
    • 87

    Slight Chance Thunderstorms

    • 66
    • 87

    Chance Rain Showers

Today 14 Sep Butler

Sunny. Highs in the mid 70s. Northeast Winds 5 to 10 Mph.

Tonight 14 Sep Butler

Mostly clear. Lows in the mid 50s. East Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fairfield Temperature Statistics

September Temperature

Butler County Regional Airport (1.9 miles)

  • Lowest 7 September, 2026

    58.6 °F

  • Average September

    78.5 °F

  • Highest 4 September, 2026

    97.6 °F

Climate (2021–2026)

Butler County Regional Airport (1.9 miles)

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  • Average Low 2021–2026

    44.3 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    67 °F
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