Geismar Weather Forecast

    • 69
    • 87

    Partly Sunny

    • 71
    • 87

    Mostly Cloudy

    • 69
    • 88

    Chance Thunderstorms

    • 66
    • 88

    Chance Rain Showers

    • 66
    • 83

    Chance Rain Showers

    • 66
    • 83

    Slight Chance Thunderstorms

Today 29 Apr Western Ascension

Patchy fog in the morning. Mostly sunny. Highs in the upper 80s. Southeast Winds 5 to 10 Mph.

Tonight 29 Apr Western Ascension

Partly cloudy. Lows in the upper 60s. Southeast Winds 5 to 10 Mph.

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Geismar Temperature Statistics

April Temperature

Baton Rouge, Baton Rouge Metropolitan, Ryan Field (23 miles)

  • Lowest 8 April, 2025

    43.6 °F

  • Average April

    71.7 °F

  • Highest 3 April, 2025

    89.7 °F

Climate (2020–Present)

Baton Rouge, Baton Rouge Metropolitan, Ryan Field (23 miles)

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  • Average Low 2020–2025

    60.3 °F

  • Average 2020–2025

    70.1 °F

  • Average High 2020–2025

    80.8 °F
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