Donaldsonville Weather Forecast

    • 45
    • 71

    Decreasing Clouds

    • 45
    • 69

    Mostly Sunny

    • 51
    • 72

    Mostly Sunny

    • 60
    • 78

    Partly Sunny

    • 61
    • 78

    Mostly Cloudy

    • 63
    • 79

    Mostly Cloudy

Today 31 Jan Western Ascension

Patchy fog in the morning. Mostly sunny. Less humid with Highs in the lower 70s. West Winds 5 to 10 Mph.

Tonight 31 Jan Western Ascension

Showers with a slight chance of Thunderstorms. Patchy fog. Lows in the lower 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 80 percent.

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Donaldsonville Temperature Statistics

January Temperature

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

  • Lowest 22 January, 2025

    7.8 °F

  • Average January

    47.6 °F

  • Highest 5 January, 2025

    81.6 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    60.4 °F

  • Average 2020–2025

    70.1 °F

  • Average High 2020–2025

    80.6 °F
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