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Weather in Bay St. Louis, Mississippi, USA

Now
39 °F

Passing clouds.


Feels Like: 39 °F
Forecast: 65 / 52 °F
Wind: No wind

Location: Stennis International Airport
Current Time: Jan 21, 2026 at 7:32:51 am
Latest Report: Jan 21, 2026 at 6:50 am
Visibility: 7 mi
Pressure: 30.33 "Hg
Humidity: 93%
Dew Point: 37 °F
Location of Bay St. LouisLocation

Upcoming 5 hours

Now8:00 am9:00 am10:00 am11:00 am12:00 pm
39 °F55 °F58 °F61 °F62 °F64 °F

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Forecast for the next 48 hours

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 WednesdayThursday
 MorningAfternoonEveningNightMorningAfternoonEvening
Forecast
Temperature58 °F63 °F61 °F60 °F62 °F67 °F62 °F
Overcast.Drizzle. Overcast.Sprin­kles. Overcast.Sprin­kles. Overcast.Passing showers. Broken clouds.Passing showers. Scatt­erred clouds.Sprin­kles. Cloudy.
Feels Like56 °F63 °F61 °F60 °F62 °F67 °F62 °F
Wind Speed8 mph8 mph7 mph3 mph4 mph6 mph6 mph
Wind DirectionESE
SE
SE
SE
SE
SE
SE
Humidity79%75%88%90%88%77%87%
Dew Point51 °F55 °F57 °F57 °F58 °F59 °F58 °F
Visibility7 mi3 mi3 mi4 mi4 mi5 mi4 mi
Probability of Precipitation0%22%56%28%34%10%16%
Amount of Rain0.00"0.02"0.04"0.02"0.02"0.01"0.02"
Amount of Snow0.00"0.00"0.00"0.00"0.00"0.00"0.00"
* Updated Wednesday, January 21, 2026 1:42:40 am Bay St. Louis time - Weather by CustomWeather, © 2026

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

Yesterday's weather

Sunny. 63 / 30 °F
Humidity: 58%. Wind: 3 mph from Southeast

More weather last week

Currently at nearby stations

45 °F

Gulfport-Biloxi Regional Airport: (17 mi)

Passing clouds.

49 °F

Keesler Air Force Base / Biloxi: (25 mi)

Broken clouds.

47 °F

Slidell Airport: (29 mi)

Overcast.

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Forecast for the next 2 weeks

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SunMonTueWedThuFriSat
18
19
20

View historic weather

5
6
7

Detailed forecast for 14 days