Donaldsonville Weather Forecast

    • 78
    • 98

    Hot

    • 77
    • 97

    Chance Thunderstorms

    • 78
    • 96

    Chance Thunderstorms

    • 78
    • 95

    Rain Showers Likely

    • 75
    • 93

    Chance Thunderstorms

    • 76
    • 94

    Chance Thunderstorms

Today 29 Jul Western Ascension

Sunny. Highs in the upper 90s. West Winds around 5 Mph. Heat index Values up to 112.

Tonight 29 Jul Western Ascension

Partly cloudy. Humid with Lows in the upper 70s. Southwest Winds around 5 Mph. Heat index Values up to 110 early in the evening.

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Donaldsonville Temperature Statistics

July Temperature

Baton Rouge, Baton Rouge Metropolitan, Ryan Field (31.1 miles)

  • Lowest 6 July, 2026

    72.6 °F

  • Average July

    84.1 °F

  • Highest 1 July, 2026

    97.6 °F

Climate (2021–2026)

Baton Rouge, Baton Rouge Metropolitan, Ryan Field (31.1 miles)

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  • Average Low 2021–2026

    60.7 °F

  • Average 2021–2026

    70.9 °F

  • Average High 2021–2026

    81.7 °F
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