Johnson Bay Weather Forecast
- 79
- 81
Mostly Cloudy
- 79
- 81
Chance Thunderstorms
- 79
- 81
Rain Showers Likely
- 79
- 81
Chance Thunderstorms
- 78
- 81
Rain Showers Likely
- 78
- 81
Chance Thunderstorms
Today 20 May Lower St. Bernard
Mostly cloudy. A slight chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.
Tonight 20 May Lower St. Bernard
Mostly cloudy. Lows in the mid 70s. Southeast Winds 5 to 10 Mph.
Johnson Bay Temperature Statistics
May Temperature
Bay St. Louis, Stennis International Airport (23.6 miles)
Lowest 4 May, 2026
48.2 °FAverage May
73.5 °FHighest 14 May, 2026
87.8 °F
Climate (2021–Present)
Bay St. Louis, Stennis International Airport (23.6 miles)
Average Low 2021–2026
60.3 °FAverage 2021–2026
71.6 °FAverage High 2021–2026
78.4 °F