Monticello Weather Forecast

    • 67
    • 89

    Rain Showers Likely

    • 62
    • 76

    Chance Rain Showers

    • 67
    • 82

    Rain Showers

    • 59
    • 77

    Chance Rain Showers

    • 55
    • 69

    Chance Rain Showers

    • 54
    • 68

    Mostly Cloudy

    • 54
    • 70

    Mostly Cloudy

Today 17 Sep White

Partly cloudy. Highs in the lower 70s.

Tonight 17 Sep White

Partly cloudy this Evening, then becoming mostly cloudy. A chance of Showers. A chance of Thunderstorms, mainly this evening. Lows in the upper 60s. North Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monticello Temperature Statistics

September Temperature

Monticello White County Airport (2.5 miles)

  • Lowest 14 September, 2026

    47.5 °F

  • Average September

    74.5 °F

  • Highest 3 September, 2026

    95.2 °F

Climate (2021–2026)

Monticello White County Airport (2.5 miles)

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  • Average Low 2021–2026

    42.9 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    61.9 °F
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