23.07
thu
thu
Day

91°F
N 12 mph
Precip.
5%
5%
Night

84°F
N 8 mph
Precip.
11%
11%
24.07
fri
fri
Day

88°F
NW 5 mph
Precip.
3%
3%
Night

81°F
NE 7 mph
Precip.
11%
11%
25.07
sat
sat
Day

91°F
NE 2 mph
Precip.
2%
2%
Night

82°F
E 7 mph
Precip.
21%
21%
26.07
sun
sun
Day

91°F
E 6 mph
Precip.
5%
5%
Night

84°F
E 9 mph
Precip.
8%
8%
27.07
mon
mon
Day

91°F
E 7 mph
Precip.
3%
3%
Night

82°F
E 11 mph
Precip.
7%
7%
28.07
tue
tue
Day

91°F
E 8 mph
Precip.
3%
3%
Night

82°F
E 9 mph
Precip.
8%
8%
29.07
wed
wed
Day

91°F
E 8 mph
Precip.
3%
3%
Night

82°F
NE 9 mph
Precip.
9%
9%
sea water
temperature
temperature
| Bay Saint Louis |
monthly
weather
weather
| Bay Saint Louis |
current
weather
weather
| Bay Saint Louis |
14 days
forecast
forecast
| Bay Saint Louis |
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 86.8°F. The highest and lowest sea temperatures during the month were 88.0°F and 84.4°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 86.6°F. The highest and lowest sea temperatures during the month were 88.5°F and 84.7°F.
Air temperature in Bay Saint Louis, °F
Precipitation total in Bay Saint Louis, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Bay Saint Louis
Bay Saint Louis on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Bay Saint Louis
Local time: 20:25
July 23, thursday
2100

86°F
NW
11 mph
11 mph
July 24, friday
0000

84°F
N
8 mph
8 mph
0300

82°F
NE
6 mph
6 mph
0600

82°F
NE
4 mph
4 mph
0900

82°F
NW
1 mph
1 mph
1200

88°F
NW
5 mph
5 mph
1500

88°F
N
8 mph
8 mph
1800

86°F
N
7 mph
7 mph





























