Monticello Weather Forecast

    • 74
    • 87

    Chance Thunderstorms

    • 72
    • 87

    Rain Showers Likely

    • 70
    • 86

    Rain Showers

    • 71
    • 84

    Rain Showers Likely

    • 71
    • 83

    Rain Showers

    • 71
    • 83

    Rain Showers

Today 18 May East Baton Rouge

Partly sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. Southeast Winds 10 to 15 Mph. Chance of rain 30 percent.

Tonight 18 May East Baton Rouge

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly cloudy after midnight. Lows in the mid 70s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

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Monticello Temperature Statistics

May Temperature

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

  • Lowest 3 May, 2026

    47.6 °F

  • Average May

    71.3 °F

  • Highest 15 May, 2026

    89.7 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    60.6 °F

  • Average 2021–2026

    70.7 °F

  • Average High 2021–2026

    81.5 °F
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