Johnson Bay Weather Forecast

    • 82
    • 86

    Chance Thunderstorms

    • 82
    • 86

    Rain Showers Likely

    • 82
    • 86

    Rain Showers Likely

    • 82
    • 87

    Chance Thunderstorms

    • 83
    • 87

    Chance Thunderstorms

    • 83
    • 88

    Chance Thunderstorms

Today 28 Aug Lower St. Bernard

Mostly sunny. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the upper 80s. North Winds 5 to 10 Mph, becoming northeast in the afternoon. Chance of rain 40 percent.

Tonight 28 Aug Lower St. Bernard

Partly cloudy with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. Northwest Winds around 5 Mph. Chance of rain 20 percent.

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Johnson Bay Temperature Statistics

August Temperature

Bay St. Louis, Stennis International Airport (23.6 miles)

  • Lowest 4 August, 2026

    69.8 °F

  • Average August

    87 °F

  • Highest 22 August, 2026

    98.6 °F

Climate (2021–2026)

Bay St. Louis, Stennis International Airport (23.6 miles)

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  • Average Low 2021–2026

    60.4 °F

  • Average 2021–2026

    71.7 °F

  • Average High 2021–2026

    78.5 °F
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