Fairfield Weather Forecast

    • 69
    • 83

    Increasing Clouds

    • 62
    • 85

    Mostly Sunny

    • 61
    • 83

    Sunny

    • 65
    • 84

    Partly Sunny

    • 70
    • 86

    Slight Chance Thunderstorms

    • 73
    • 90

    Partly Sunny

Today 25 Aug Jefferson

Mostly sunny. Highs in the lower 80s. Southeast Winds 5 to 10 Mph.

Tonight 25 Aug Jefferson

Mostly cloudy in the Evening, then becoming partly cloudy. Humid with Lows in the upper 60s. South Winds around 5 Mph.

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Fairfield Temperature Statistics

August Temperature

Fairfield Municipal Airport (3.1 miles)

  • Lowest 23 August, 2026

    55.4 °F

  • Average August

    73.9 °F

  • Highest 11 August, 2026

    91.4 °F

Climate (2021–2026)

Fairfield Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    51.7 °F

  • Average High 2021–2026

    62 °F
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