Measurements:
°C
°F
Bay Saint Louis
80°F
SW 13 mph
Feels like: 86°F
Precip: 25%
World Resorts USA Bay Saint Louis Weather

7 Day Weather Forecast

10.05
mon
DAY
80°F
SW 12 mph
precip
29%
NIGHT
80°F
SW 15 mph
precip
24%
10.06
tue
DAY
80°F
SW 14 mph
precip
15%
NIGHT
78°F
SW 16 mph
precip
25%
10.07
wed
DAY
82°F
W 17 mph
precip
21%
NIGHT
78°F
W 22 mph
precip
72%
10.08
thu
DAY
80°F
W 19 mph
precip
20%
NIGHT
80°F
W 16 mph
precip
19%
10.09
fri
DAY
78°F
W 22 mph
precip
19%
NIGHT
74°F
SW 37 mph
precip
94%
10.10
sat
DAY
76°F
E 23 mph
precip
35%
NIGHT
74°F
SE 7 mph
precip
13%
10.11
sun
DAY
78°F
SE 4 mph
precip
5%
NIGHT
78°F
SW 6 mph
precip
10%

Bay Saint Louis Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Bay Saint Louis was 25.4°F. The maximum and minimum values were 22.1°F and 28.6°F respectively.

Bay Saint Louis on the Weather Map

Best Time to Visit Bay Saint Louis
The most sunny months:
October 20 days
September 15 days
May 14 days
The most warm months:
July 92.8 °F
August 92.8 °F
June 90.8 °F
Warmest sea temperature:
August 91.0 °F
July 90.5 °F
June 87.6 °F
The most cold months:
January 58.1 °F
February 62.2 °F
December 62.3 °F
The most rainy months:
August 4 days
July 4 days
May 4 days
The most windy months:
April 9 mph
March 9 mph
January 9 mph