Home   Weather   USA   Bay St. Louis
Flag for USA

Weather in Bay St. Louis, Mississippi, USA

Now
87 °F

Partly sunny.


Feels Like: 99 °F
Forecast: 90 / 76 °F
Wind: 3 mph from North

Location: Gulfport-Biloxi Regional Airport
Current Time: Aug 13, 2025 at 11:42:56 am
Latest Report: Aug 13, 2025 at 11:19 am
Visibility: 10 mi
Pressure: 29.98 "Hg
Humidity: 72%
Dew Point: 77 °F
Location of Bay St. LouisLocation

Upcoming 5 hours

Now12:00 pm1:00 pm2:00 pm3:00 pm4:00 pm
87 °F88 °F89 °F89 °F89 °F88 °F

See more hour-by-hour weather

Forecast for the next 48 hours

Scroll right to see more
 WednesdayThursday
 MorningAfternoonEveningNightMorningAfternoonEvening
Forecast
Temperature82 °F89 °F83 °F81 °F83 °F89 °F83 °F
Isolated thunder­storms. Overcast.Isolated thunder­storms. Overcast.Passing showers. Cloudy.Thundershowers. Broken clouds.Isolated thunder­storms. Partly cloudy.Broken clouds.Scatt­erred clouds.
Feels Like90 °F101 °F94 °F87 °F92 °F101 °F94 °F
Wind Speed5 mph5 mph10 mph9 mph6 mph9 mph12 mph
Wind DirectionW
S
SSW
WSW
W
S
SSW
Humidity84%67%83%88%82%65%83%
Dew Point77 °F76 °F78 °F77 °F77 °F76 °F78 °F
Visibility4 mi4 mi7 mi4 mi4 mi8 mi7 mi
Probability of Precipitation11%14%39%19%11%5%2%
Amount of Rain0.04"0.03"0.04"0.04"0.01"0.00"0.00"
Amount of Snow0.00"0.00"0.00"0.00"0.00"0.00"0.00"
* Updated Wednesday, August 13, 2025 8:42:26 am Bay St. Louis time - Weather by CustomWeather, © 2025

14 day forecast, day-by-dayHour-by-hour forecast for next week

Yesterday's weather

Partly sunny. 83 / 76 °F
Humidity: 91%. Wind: 4 mph from Northeast

More weather last week

Currently at nearby stations

85 °F

Keesler Air Force Base / Biloxi: (25 mi)

Broken clouds.

88 °F

Slidell Airport: (29 mi)

Broken clouds.

88 °F

Lakefront Airport: (46 mi)

Sunny.

More weather in USA

Forecast for the next 2 weeks

Scroll right to see more
SunMonTueWedThuFriSat
10
11
12

View historic weather

28
29
30

Detailed forecast for 14 days