Lake Salvador Weather Forecast

    • 81
    • 90

    Chance Thunderstorms

    • 80
    • 87

    Rain Showers Likely

    • 76
    • 88

    Mostly Sunny

    • 77
    • 88

    Mostly Sunny

    • 78
    • 89

    Rain Showers Likely

    • 78
    • 88

    Rain Showers Likely

Today 15 Sep Lower St. Charles

Sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. North Winds around 5 Mph, becoming east around 5 Mph this afternoon. Chance of rain 20 percent. Heat index Values up to 107.

Tonight 15 Sep Lower St. Charles

Mostly clear. Humid with Lows in the upper 70s. Southeast Winds around 5 Mph, becoming northeast after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Salvador Temperature Statistics

September Temperature

New Orleans Naval Air Station - Alvin Callender Field (18 miles)

  • Lowest 13 September, 2026

    72 °F

  • Average September

    81.1 °F

  • Highest 1 September, 2026

    91 °F

Climate (2021–2026)

New Orleans Naval Air Station - Alvin Callender Field (18 miles)

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  • Average Low 2021–2026

    62.3 °F

  • Average 2021–2026

    71 °F

  • Average High 2021–2026

    79.3 °F
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