Bay Saint Louis, MS Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Sun
Aug 9
Partly Cloudy -º / 78º 9% SSW 3 mph 81%
Mon
Aug 10
Partly Cloudy
View Hourly
90º / 78º 23% S 9 mph 71%
3am Partly Cloudy 83º 4% S 3 mph 79%
4am Partly Cloudy 83º 7% S 3 mph 80%
5am Partly Cloudy 82º 8% SW 2 mph 82%
6am Partly Cloudy 80º 9% WSW 1 mph 88%
7am Partly Cloudy 79º 12% W 1 mph 89%
8am Partly Cloudy 81º 12% NW 2 mph 86%
9am Partly Cloudy 84º 6% NNW 3 mph 78%
10am Partly Cloudy 86º 11% NW 3 mph 72%
11am Partly Cloudy 87º 19% E 3 mph 69%
12pm Partly Cloudy 88º 23% SE 6 mph 68%
1pm Partly Cloudy 88º 15% SE 7 mph 66%
2pm Partly Cloudy 89º 15% SSE 9 mph 65%
3pm Partly Cloudy 89º 15% SSE 9 mph 65%
4pm Partly Cloudy 89º 15% SSE 9 mph 65%
5pm Partly Cloudy 88º 15% S 9 mph 66%
6pm Partly Cloudy 87º 15% S 8 mph 68%
7pm Partly Cloudy 87º 15% S 6 mph 69%
8pm Partly Cloudy 85º 15% S 5 mph 75%
9pm Partly Cloudy 84º 15% S 5 mph 79%
10pm Mostly Clear 83º 5% S 4 mph 81%
11pm Mostly Clear 82º 5% S 4 mph 83%
Tue
Aug 11
Partly Cloudy
View Hourly
90º / 78º 15% SSW 10 mph 70%
12am Partly Cloudy 82º 5% S 3 mph 84%
1am Partly Cloudy 82º 6% S 3 mph 84%
2am Partly Cloudy 81º 13% S 3 mph 84%
3am Partly Cloudy 81º 11% SSW 2 mph 86%
4am Partly Cloudy 80º 15% SW 2 mph 88%
5am Partly Cloudy 79º 17% WSW 2 mph 89%
6am Mostly Clear 79º 13% WNW 2 mph 89%
7am Partly Cloudy 79º 8% WNW 1 mph 90%
8am Partly Cloudy 82º 6% NW 2 mph 84%
9am Partly Cloudy 85º 11% NW 2 mph 76%
10am Partly Cloudy 87º 7% WNW 3 mph 70%
11am Partly Cloudy 88º 6% SE 2 mph 67%
12pm Partly Cloudy 89º 4% SSE 6 mph 63%
1pm Partly Cloudy 90º 15% SSE 7 mph 63%
2pm Partly Cloudy 90º 15% SSE 9 mph 63%
3pm Partly Cloudy 90º 15% S 10 mph 65%
4pm Partly Cloudy 89º 15% S 10 mph 65%
5pm Partly Cloudy 89º 15% S 9 mph 66%
6pm Partly Cloudy 89º 15% S 9 mph 67%
7pm Partly Cloudy 87º 15% S 8 mph 70%
8pm Partly Cloudy 86º 15% S 6 mph 76%
9pm Partly Cloudy 84º 15% S 6 mph 79%
10pm Mostly Clear 84º 5% SSW 5 mph 81%
11pm Partly Cloudy 83º 5% SSW 5 mph 84%
Wed
Aug 12
Mostly Sunny
View Hourly
91º / 78º 24% SW 10 mph 70%
12am Clear 82º 5% SSW 4 mph 86%
1am Mostly Clear 82º 7% SSW 4 mph 87%
2am Mostly Clear 81º 7% SW 5 mph 87%
Thu
Aug 13
Sunny 94º / 78º 17% SW 10 mph 66%
Fri
Aug 14
Sunny 95º / 78º 6% SW 10 mph 63%
Sat
Aug 15
Mostly Sunny 95º / 79º 15% WSW 9 mph 63%
Sun
Aug 16
PM Thunderstorms 95º / 78º 42% SW 9 mph 64%

Weather Radar for Bay Saint Louis, MS See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Bay Saint Louis, MS

Monday
High : 89ºF
Variable winds less than 5 kt becoming SSE 5 to 10 kt in the afternoon. A chance of showers and thunderstorms, mainly before 1pm. Seas 1 ft or less.
Monday Night
Low : 79ºF
Variable winds 5 kt or less. Mostly clear. Seas 1 ft or less.
Tuesday
High : 90ºF
Variable winds less than 5 kt becoming S 5 to 10 kt in the afternoon. Sunny. Seas 1 ft or less.
Tuesday Night
Low : 79ºF
S wind 5 to 10 kt becoming WSW after midnight. Mostly clear. Seas 1 ft or less.
Wednesday
High : 91ºF
W wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas 1 ft or less.
Wednesday Night
Low : 79ºF
S wind 5 to 10 kt becoming WSW after midnight. Mostly clear. Seas 1 ft or less.
Thursday
High : 92ºF
W wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas 1 ft or less.
Thursday Night
Low : 79ºF
S wind 5 to 10 kt becoming WSW after midnight. Mostly clear. Seas 1 ft or less.
Friday
High : 93ºF
W wind 5 to 10 kt becoming S in the afternoon. Sunny. Seas 1 ft or less.

NOAA Buoy Data Near Bay Saint Louis, MS See Map

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    Wind Speed Forecast for Bay Saint Louis, MS

    MondayTuesdayWednesday
    Wind Speed (MPH) 3139642121085
    8am12pm4pm8pm12am4am8am12pm4pm8pm12am4am
    MPH 3139642121085
    DIR SWESSESSSSWWNWSESSSSW

    Current Weather Conditions In Bay Saint Louis, MS

    As Of: 51 minutes ago

    • 83ºF
    • 92ºF
    • 3mph
    • 0º (S)
    • 3mph
    • Partly Cloudy
    • 10mi
    • 30.06"
    • 79%
    • 0ºF

    The weather right now in Bay Saint Louis, MS is Partly Cloudy. The current temperature is 83°F, and the expected high and low for today, Monday, August 10, 2026, are -° high temperature and 78°F low temperature. The wind is currently blowing at 3 miles per hour, and coming from the South. The wind is gusting to 3 mph. With the wind and the atmosphere the temperature feels like 92° Fahrenheit. Expected precipitation is 4 percent, with current humidity at 79 percent, and air pressure at 30.06 in. Visibility is 10 nautical miles. There are no current weather alert(s).