Monticello Weather Forecast

    • 62
    • 85

    Chance Thunderstorms

    • 57
    • 81

    Sunny

    • 57
    • 78

    Partly Sunny

    • 61
    • 77

    Partly Sunny

    • 63
    • 80

    Chance Thunderstorms

    • 62
    • 82

    Mostly Sunny

    • 62
    • 81

    Partly Sunny

Today 21 Aug Jones

Sunny with a chance of Showers and Thunderstorms. Near steady temperature in the lower 80s. West Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 21 Aug Jones

Mostly clear. A chance of Showers and Thunderstorms this evening. Lows in the lower 60s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

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Monticello Temperature Statistics

August Temperature

Monticello Regional Airport (1.9 miles)

  • Lowest 19 August, 2026

    64.4 °F

  • Average August

    72.2 °F

  • Highest 19 August, 2026

    82.4 °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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