Johnson Bay Weather Forecast

    • 84
    • 89

    Mostly Sunny

    • 84
    • 88

    Chance Thunderstorms

    • 85
    • 88

    Chance Thunderstorms

    • 84
    • 88

    Chance Thunderstorms

    • 82
    • 88

    Rain Showers Likely

    • 81
    • 88

    Thunderstorms Likely

Today 8 Jul Lower St. Bernard

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. West Winds 5 to 10 Mph, becoming southwest this afternoon. Chance of rain 20 percent. Heat index Values up to 105.

Tonight 8 Jul Lower St. Bernard

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Humid with Lows in the lower 80s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Bay Temperature Statistics

July Temperature

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

  • Lowest 4 July, 2026

    75.2 °F

  • Average July

    86.5 °F

  • Highest 1 July, 2026

    95 °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

    71.6 °F

  • Average High 2021–2026

    78.4 °F
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