World Resorts USA Bay Saint Louis Weather

Bay Saint Louis 14 Days Forecast

23.07
thu
Day
91°F
N 14 mph
Precip.
5%
Night
84°F
N 7 mph
Precip.
8%
24.07
fri
Day
88°F
NW 6 mph
Precip.
3%
Night
81°F
NE 7 mph
Precip.
11%
25.07
sat
Day
91°F
N 2 mph
Precip.
2%
Night
82°F
NE 7 mph
Precip.
8%
26.07
sun
Day
93°F
E 5 mph
Precip.
3%
Night
82°F
E 11 mph
Precip.
10%
27.07
mon
Day
93°F
NE 6 mph
Precip.
2%
Night
82°F
E 11 mph
Precip.
9%
28.07
tue
Day
91°F
NE 8 mph
Precip.
3%
Night
82°F
E 10 mph
Precip.
8%
29.07
wed
Day
90°F
NE 8 mph
Precip.
3%
Night
82°F
NE 11 mph
Precip.
9%
30.07
thu
Day
88°F
E 8 mph
Precip.
6%
Night
79°F
NW 9 mph
Precip.
27%
31.07
fri
Day
90°F
NE 9 mph
Precip.
4%
Night
81°F
SE 6 mph
Precip.
28%
01.08
sat
Day
86°F
E 6 mph
Precip.
8%
Night
81°F
SE 2 mph
Precip.
29%
02.08
sun
Day
77°F
E 10 mph
Precip.
44%
Night
77°F
NE 6 mph
Precip.
13%
03.08
mon
Day
81°F
E 7 mph
Precip.
57%
Night
79°F
NE 6 mph
Precip.
10%
04.08
tue
Day
84°F
N 8 mph
Precip.
36%
Night
81°F
N 7 mph
Precip.
15%
05.08
wed
Day
82°F
N 4 mph
Precip.
59%
Night
82°F
N 6 mph
Precip.
13%

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

Sunniest months:
October 20 days
September 16 days
May 14 days
Warmest months:
August 88.3 °F
July 88.2 °F
June 86.7 °F
Warmest sea temp:
August 86.9 °F
July 86.5 °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
May 4 days
Windiest months:
April 9.2 mph
March 9.1 mph
January 8.8 mph

Bay Saint Louis on a weather map

Current weather
19:16
Bay Saint Louis
+88°F
NW 13 mph
Feels like: +100°F
Precip.: 7%
Places in USA:
Name
°F
Boston
+70°F
Hawaii
+79°F
Las Vegas
+115°F
Los Angeles
+88°F
Miami
+84°F
Malibu
+91°F
Maui
+75°F
Myrtle Beach
+84°F
New York
+72°F
San Diego
+82°F
San Francisco
+70°F
Santa Monica
+81°F
Sarasota
+82°F
Houston
+82°F
Chicago
+77°F
all places
24 Hours Forecast
Bay Saint Louis
Local time: 19:16
July 23, thursday
2100
86°F
NW
11 mph
July 24, friday
0000
84°F
N
7 mph
0300
79°F
NE
6 mph
0600
77°F
NE
3 mph
0900
82°F
NE
0 mph
1200
88°F
NW
6 mph
1500
88°F
N
8 mph
1800
86°F
N
9 mph
Units of measurement: °C / °F