Monticello Weather Forecast

    • 31
    • 47

    Mostly Sunny

    • 33
    • 47

    Partly Sunny

    • 42
    • 61

    Mostly Sunny

    • 52
    • 70

    Partly Sunny

    • 57
    • 76

    Partly Sunny

    • 56
    • 78

    Mostly Sunny

Today 17 Mar Fairfield

Sunny, cooler with Highs in the upper 40s. West Winds 5 to 10 Mph.

Tonight 17 Mar Fairfield

Mostly clear. Much cooler with Lows around 30. West Winds 5 to 10 Mph with Gusts up to 25 Mph.

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Monticello Temperature Statistics

March Temperature

Winnsboro/Fairfield County Airport (11.2 miles)

  • Lowest 13 March, 2026

    33.8 °F

  • Average March

    61.8 °F

  • Highest 11 March, 2026

    86 °F

Climate (2021–Present)

Winnsboro/Fairfield County Airport (11.2 miles)

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  • Average Low 2021–2026

    53 °F

  • Average 2021–2026

    62.6 °F

  • Average High 2021–2026

    73.4 °F
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