Fairfield Weather Forecast

    • 38
    • 55

    Increasing Clouds

    • 42
    • 62

    Partly Sunny

    • 45
    • 74

    Partly Sunny

    • 51
    • 79

    Mostly Sunny

    • 30
    • 66

    Partly Sunny

    • 31
    • 48

    Mostly Cloudy

Today 18 Mar Jefferson

Mostly sunny. Not as cool with Highs in the lower 50s. Southwest Winds around 5 Mph.

Tonight 18 Mar Jefferson

Mostly cloudy with a 40 percent chance of snow. Not as cool. Near steady temperature in the mid 20s. South Winds 10 to 15 Mph.

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Fairfield Temperature Statistics

March Temperature

Fairfield Municipal Airport (3.1 miles)

  • Lowest 1 March, 2026

    15.8 °F

  • Average March

    44.5 °F

  • Highest 9 March, 2026

    77 °F

Climate (2021–Present)

Fairfield Municipal Airport (3.1 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    62.2 °F
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