Monticello Weather Forecast

    • 76
    • 95

    Chance Thunderstorms

    • 75
    • 94

    Chance Thunderstorms

    • 69
    • 94

    Sunny

    • 71
    • 94

    Sunny

    • 74
    • 96

    Mostly Sunny

    • 75
    • 96

    Slight Chance Thunderstorms

    • 74
    • 94

    Chance Thunderstorms

Today 15 Sep East Baton Rouge

Mostly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the lower 90s. East Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 107.

Tonight 15 Sep East Baton Rouge

Mostly clear. Humid with Lows in the mid 70s. East Winds around 5 Mph.

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Monticello Temperature Statistics

September Temperature

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

  • Lowest 8 September, 2026

    72 °F

  • Average September

    82.8 °F

  • Highest 3 September, 2026

    96.7 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    60.8 °F

  • Average 2021–2026

    71 °F

  • Average High 2021–2026

    81.8 °F
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