Bay St. Louis Weather Forecast 15 Days, Weather in Bay St. Louis Today

Current weather conditions and 15 day weather forecast for Bay St. Louis, Mississippi, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.

Current weather conditions at Bay St. Louis

09 February 2026 Monday
14.4 ° C / 57.9°F
Clear
Clear
Feels Like : 13.7 ° C / 56.7°F
Humidity : % 84
Pressure : 1023 mb
Wind Speed : 11.5 kmph / 7.2 miles from SS
Visibility : 16 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 0

15 day weather forecast for Bay St. Louis, MS, USA

Weather Forecast for next 15 Days for Bay St. Louis including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.
Here is weather for the next 15 days in Bay St. Louis, Mississippi state, US. To see the daily forecast, scroll to the table below.
Date Weather forecast Low temperature High temperature Avg. temperature Humidity Chance of rain UV Index Sun Position Moon Position
08 February 2026 Sunday Sunny Sunny 7.2 ° C
(45°F)
15.8 ° C
(60.4°F)
11.9 ° C
(53.4°F)
% 76 0% 1.1 Sunrise:06:43 AM
Sunset: 05:40 PM
Moonrise:No moonrise
Moonset: 10:20 AM
Moon Phase
( Waning Gibbous )
09 February 2026 Monday Overcast  Overcast 10.7 ° C
(51.3°F)
15.3 ° C
(59.5°F)
13.2 ° C
(55.7°F)
% 94 0% 1.1 Sunrise:06:42 AM
Sunset: 05:41 PM
Moonrise:12:29 AM
Moonset: 10:55 AM
Moon Phase
( Last Quarter )
10 February 2026 Tuesday Overcast  Overcast 13.5 ° C
(56.3°F)
15.9 ° C
(60.6°F)
14.4 ° C
(58°F)
% 90 0% 1.2 Sunrise:06:41 AM
Sunset: 05:42 PM
Moonrise:01:27 AM
Moonset: 11:35 AM
Moon Phase
( Waning Crescent )
11 February 2026 Wednesday Overcast  Overcast 13.7 ° C
(56.7°F)
20.6 ° C
(69.1°F)
16.7 ° C
(62.1°F)
% 82 0% 1 Sunrise:06:41 AM
Sunset: 05:43 PM
Moonrise:02:24 AM
Moonset: 12:19 PM
Moon Phase
( Waning Crescent )
12 February 2026 Thursday Partly Cloudy  Partly Cloudy 12.7 ° C
(54.9°F)
17 ° C
(62.6°F)
15.3 ° C
(59.5°F)
% 84 0% 1.1 Sunrise:06:40 AM
Sunset: 05:44 PM
Moonrise:03:19 AM
Moonset: 01:10 PM
Moon Phase
( Waning Crescent )
13 February 2026 Friday Patchy rain nearby Patchy rain nearby 15.1 ° C
(59.2°F)
21 ° C
(69.8°F)
17 ° C
(62.6°F)
% 91 84% 0 Sunrise:06:39 AM
Sunset: 05:44 PM
Moonrise:04:09 AM
Moonset: 02:06 PM
Moon Phase
( Waning Crescent )
14 February 2026 Saturday Patchy rain nearby Patchy rain nearby 15.7 ° C
(60.2°F)
19.3 ° C
(66.7°F)
17.4 ° C
(63.3°F)
% 93 83% 4 Sunrise:06:38 AM
Sunset: 05:45 PM
Moonrise:04:55 AM
Moonset: 03:06 PM
Moon Phase
( Waning Crescent )
15 February 2026 Sunday Moderate rain Moderate rain 14.3 ° C
(57.8°F)
18.1 ° C
(64.6°F)
16.2 ° C
(61.1°F)
% 88 86% 4 Sunrise:06:37 AM
Sunset: 05:46 PM
Moonrise:05:36 AM
Moonset: 04:08 PM
Moon Phase
( Waning Crescent )
16 February 2026 Monday Patchy rain nearby Patchy rain nearby 12.2 ° C
(53.9°F)
15.1 ° C
(59.2°F)
14.1 ° C
(57.3°F)
% 89 0% 3 Sunrise:06:36 AM
Sunset: 05:47 PM
Moonrise:06:12 AM
Moonset: 05:10 PM
Moon Phase
( Waning Crescent )
17 February 2026 Tuesday Partly Cloudy  Partly Cloudy 14.6 ° C
(58.3°F)
18 ° C
(64.4°F)
15.9 ° C
(60.6°F)
% 87 0% 5 Sunrise:06:35 AM
Sunset: 05:48 PM
Moonrise:06:44 AM
Moonset: 06:11 PM
Moon Phase
( New Moon )
18 February 2026 Wednesday Partly Cloudy  Partly Cloudy 14.2 ° C
(57.6°F)
19.8 ° C
(67.6°F)
16.6 ° C
(61.9°F)
% 90 0% 5 Sunrise:06:34 AM
Sunset: 05:48 PM
Moonrise:07:15 AM
Moonset: 07:13 PM
Moon Phase
( Waxing Crescent )
19 February 2026 Thursday Patchy rain nearby Patchy rain nearby 15.2 ° C
(59.3°F)
20.7 ° C
(69.3°F)
17.6 ° C
(63.7°F)
% 92 88% 4 Sunrise:06:33 AM
Sunset: 05:49 PM
Moonrise:07:45 AM
Moonset: 08:15 PM
Moon Phase
( Waxing Crescent )
20 February 2026 Friday Partly Cloudy  Partly Cloudy 17.7 ° C
(63.9°F)
22.6 ° C
(72.7°F)
19.4 ° C
(66.9°F)
% 83 0% 5 Sunrise:06:32 AM
Sunset: 05:50 PM
Moonrise:08:15 AM
Moonset: 09:19 PM
Moon Phase
( Waxing Crescent )
21 February 2026 Saturday Cloudy  Cloudy 13.4 ° C
(56.1°F)
19.5 ° C
(67.1°F)
16.2 ° C
(61.1°F)
% 60 0% 4 Sunrise:06:31 AM
Sunset: 05:51 PM
Moonrise:08:47 AM
Moonset: 10:25 PM
Moon Phase
( Waxing Crescent )
Bay St. Louis Weather forecasts are usually fully updated every 4 hours.
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