Monticello Weather Forecast

    • 72
    • 90

    Mostly Sunny

    • 73
    • 89

    Chance Thunderstorms

    • 73
    • 83

    Rain Showers

    • 73
    • 83

    Rain Showers Likely

    • 74
    • 84

    Chance Thunderstorms

    • 74
    • 86

    Chance Thunderstorms

Today 31 Jul Fairfield

Sunny. Highs in the lower 90s. Northeast Winds around 5 Mph in the Morning, becoming light and variable.

Tonight 31 Jul Fairfield

Clear. Lows in the mid 60s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monticello Temperature Statistics

July Temperature

Winnsboro/Fairfield County Airport (11.2 miles)

  • Lowest 1 July, 2026

    68 °F

  • Average July

    80.8 °F

  • Highest 2 July, 2026

    96.8 °F

Climate (2021–2026)

Winnsboro/Fairfield County Airport (11.2 miles)

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  • Average Low 2021–2026

    53 °F

  • Average 2021–2026

    62.7 °F

  • Average High 2021–2026

    73.5 °F
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