29.04
wed
wed
Day
81°F
N 8 mph
Precip.
0%
0%
Night
72°F
SW 6 mph
Precip.
0%
0%
30.04
thu
thu
Day
79°F
S 4 mph
Precip.
71%
71%
Night
73°F
NW 4 mph
Precip.
83%
83%
01.05
fri
fri
Day
75°F
NW 11 mph
Precip.
0%
0%
Night
75°F
N 17 mph
Precip.
100%
100%
02.05
sat
sat
Day
68°F
S 16 mph
Precip.
84%
84%
Night
61°F
S 12 mph
Precip.
0%
0%
03.05
sun
sun
Day
68°F
S 10 mph
Precip.
0%
0%
Night
59°F
SW 9 mph
Precip.
0%
0%
04.05
mon
mon
Day
70°F
NW 6 mph
Precip.
0%
0%
Night
66°F
NE 4 mph
Precip.
0%
0%
05.05
tue
tue
Day
73°F
NW 8 mph
Precip.
0%
0%
Night
68°F
N 9 mph
Precip.
0%
0%
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 April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 73.7°F. The highest and lowest sea temperatures during the month were 77.0°F and 69.6°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 79.8°F. The highest and lowest sea temperatures during the month were 83.8°F and 75.7°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: 07:35
April 29, wednesday
0900
75°F
NE
6 mph
6 mph
1200
81°F
N
8 mph
8 mph
1500
82°F
N
11 mph
11 mph
1800
81°F
N
12 mph
12 mph
2100
75°F
NE
9 mph
9 mph
April 30, thursday
0000
72°F
SW
6 mph
6 mph
0300
72°F
NE
11 mph
11 mph
0600
70°F
S
7 mph
7 mph
