Monticello Weather Forecast

    • 32
    • 37

    Rain

    • 6
    • 39

    Rain

    • 21
    • 28

    Mostly Cloudy

    • 11
    • 38

    Partly Sunny

    • 21
    • 29

    Partly Sunny

    • 30
    • 38

    Mostly Cloudy

    • 24
    • 42

    Mostly Cloudy

Today 17 Dec Jones

Mostly sunny. Near steady temperature in the mid 30s. Southeast Winds 5 to 10 Mph.

Tonight 17 Dec Jones

Mostly sunny Early, then becoming mostly cloudy. Rain likely after midnight. Lows in the lower 30s. South Winds 10 to 15 Mph. Gusts up to 30 Mph. Chance of rain 70 percent.

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Monticello Temperature Statistics

December Temperature

Monticello Regional Airport (1.9 miles)

  • Lowest 4 December, 2025

    -13 °F

  • Average December

    16.7 °F

  • Highest 9 December, 2025

    41 °F

Climate (2020–Present)

Monticello Regional Airport (1.9 miles)

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  • Average Low 2020–2025

    37.7 °F

  • Average 2020–2025

    48.4 °F

  • Average High 2020–2025

    58.6 °F
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