Monticello Reservoir Weather Forecast

    • 47
    • 72

    Rain Showers

    • 41
    • 64

    Mostly Sunny

    • 46
    • 62

    Partly Sunny

    • 51
    • 71

    Mostly Sunny

    • 51
    • 74

    Partly Sunny

    • 57
    • 71

    Mostly Cloudy

Today 31 Jan Fairfield

Partly sunny. A chance of Showers in the afternoon. Highs in the lower 70s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 50 percent.

Tonight 31 Jan Fairfield

Mostly cloudy. Near steady temperature in the upper 40s. Light and variable Winds.

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Monticello Reservoir Temperature Statistics

January Temperature

Winnsboro/Fairfield County Airport (11.8 miles)

  • Lowest 23 January, 2025

    19.4 °F

  • Average January

    38.2 °F

  • Highest 19 January, 2025

    59 °F

Climate (2020–Present)

Winnsboro/Fairfield County Airport (11.8 miles)

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  • Average Low 2020–2025

    53 °F

  • Average 2020–2025

    62.4 °F

  • Average High 2020–2025

    73.1 °F
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