World Resorts USA Bay Saint Louis Weather

Bay Saint Louis 7 Days Forecast

09.04
thu
Day
70°F
W 14 mph
Precip.
0%
Night
68°F
W 9 mph
Precip.
0%
10.04
fri
Day
75°F
W 14 mph
Precip.
0%
Night
68°F
NW 6 mph
Precip.
0%
11.04
sat
Day
75°F
W 10 mph
Precip.
0%
Night
68°F
NW 11 mph
Precip.
0%
12.04
sun
Day
75°F
NW 13 mph
Precip.
75%
Night
68°F
NW 12 mph
Precip.
0%
13.04
mon
Day
75°F
NW 11 mph
Precip.
72%
Night
70°F
NW 9 mph
Precip.
45%
14.04
tue
Day
75°F
NW 12 mph
Precip.
0%
Night
72°F
N 12 mph
Precip.
100%
15.04
wed
Day
77°F
N 9 mph
Precip.
70%
Night
72°F
N 7 mph
Precip.
0%

Sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 73.3°F. The highest and lowest sea temperatures during the month were 81.1°F and 69.6°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

Sunniest months:
October 20 days
September 16 days
November 14 days
Warmest months:
August 88.3 °F
July 88.2 °F
June 86.7 °F
Warmest sea temp:
August 86.9 °F
July 86.4 °F
June 83.9 °F
Coldest months:
January 57.3 °F
February 61.0 °F
December 61.0 °F
Rainiest months:
August 5 days
July 5 days
June 4 days
Windiest months:
April 9.1 mph
March 9.1 mph
January 8.8 mph

Bay Saint Louis on a weather map

Bay Saint Louis
+70°F
W 17 mph
Feels like: +70°F
Precip.: 0%
Places in USA:
Name
°F
+37°F
+72°F
+72°F
+68°F
+59°F
+70°F
+72°F
+68°F
+34°F
+61°F
+55°F
+66°F
+66°F
+63°F
+50°F
24 Hours Forecast
Bay Saint Louis
Local time: 04:36
April 09, thursday
0600
68°F
W
16 mph
0900
68°F
W
15 mph
1200
70°F
W
14 mph
1500
73°F
NW
14 mph
1800
75°F
NW
12 mph
2100
70°F
NW
9 mph
April 10, friday
0000
68°F
W
9 mph
0300
68°F
W
10 mph
Units of measurement: °C / °F