Monticello Weather Forecast

    • 27
    • 42

    Increasing Clouds

    • 25
    • 47

    Mostly Cloudy

    • 17
    • 30

    Snow

    • 15
    • 34

    Mostly Sunny

    • 21
    • 40

    Mostly Sunny

    • 26
    • 45

    Partly Sunny

Today 29 Jan Fairfield

Mostly sunny. Highs in the mid 40s. North Winds around 5 Mph in the Morning, becoming light and variable.

Tonight 29 Jan Fairfield

Clear, cold with Lows in the lower 20s. Northwest Winds around 5 Mph.

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Monticello Temperature Statistics

January Temperature

Winnsboro/Fairfield County Airport (11.2 miles)

  • Lowest 16 January, 2026

    19.4 °F

  • Average January

    45.1 °F

  • Highest 10 January, 2026

    78.8 °F

Climate (2021–Present)

Winnsboro/Fairfield County Airport (11.2 miles)

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  • Average Low 2021–2026

    53 °F

  • Average 2021–2026

    62.5 °F

  • Average High 2021–2026

    73.3 °F
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