Monticello Weather Forecast

    • 65
    • 88

    Increasing Clouds

    • 62
    • 83

    Slight Chance Rain Showers

    • 64
    • 83

    Partly Sunny

    • 70
    • 90

    Rain Showers Likely

    • 63
    • 87

    Slight Chance Thunderstorms

    • 58
    • 80

    Partly Sunny

Today 5 Sep Jones

Patchy fog in the morning. Sunny with Highs in the upper 80s. Northeast Winds around 5 Mph.

Tonight 5 Sep Jones

Partly cloudy. Humid with Lows in the mid 60s. East Winds around 5 Mph.

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Monticello Temperature Statistics

September Temperature

Monticello Regional Airport (1.9 miles)

  • Lowest 1 September, 2026

    68 °F

  • Average September

    80.1 °F

  • Highest 1 September, 2026

    93.2 °F

Climate (2021–2026)

Monticello Regional Airport (1.9 miles)

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  • Average Low 2021–2026

    37.3 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    58.5 °F
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