Monticello Weather Forecast

    • 46
    • 77

    Chance Rain Showers

    • 42
    • 62

    Mostly Sunny

    • 58
    • 75

    Partly Sunny

    • 58
    • 75

    Partly Sunny

    • 56
    • 73

    Partly Sunny

Today 18 Dec East Baton Rouge

Mostly cloudy in the Morning, then becoming mostly sunny. Areas of dense fog in the morning. A chance of Showers. A slight chance of Thunderstorms in the afternoon. Not as cool with Highs in the mid 70s. South Winds 5 to 10 Mph, becoming southwest in the afternoon. Chance of rain 30 percent.

Tonight 18 Dec East Baton Rouge

Cloudy with a chance of Showers with a slight chance of Thunderstorms. Patchy dense fog. Not as cool. Near steady temperature in the upper 50s. Southeast Winds around 5 Mph. Chance of rain 40 percent.

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Monticello Temperature Statistics

December Temperature

Baton Rouge, Baton Rouge Metropolitan, Ryan Field (6.2 miles)

  • Lowest 15 December, 2025

    26.1 °F

  • Average December

    49.7 °F

  • Highest 13 December, 2025

    78.1 °F

Climate (2020–Present)

Baton Rouge, Baton Rouge Metropolitan, Ryan Field (6.2 miles)

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  • Average Low 2020–2025

    60.3 °F

  • Average 2020–2025

    70.3 °F

  • Average High 2020–2025

    81 °F
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