National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Gulfport - Gulfport-Biloxi International Airport (KGPT)

Lat: 30.41°NLon: 89.08°WElev: 26ft.

Fair

85°F

29°C

Humidity 72%
Wind Speed NE 3 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 29 Aug 9:53 am CDT
Extended Forecast for

Bay St. Louis MS

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Northeast wind around 10 mph becoming southeast in the afternoon.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 78. East wind 5 to 10 mph.

    Low: 78 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms, mainly before 2pm. Some of the storms could produce heavy rainfall. High near 87. Northeast wind 10 to 15 mph becoming east in the afternoon. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    High: 87 °F

    Showers
    Likely then
    Heavy Rain

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 78. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 78 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 78. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 78 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 88 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. Southeast wind around 5 mph becoming calm in the evening.

    Low: 78 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Northeast wind 5 to 10 mph becoming southeast in the afternoon.

    High: 89 °F

    Chance
    T-storms

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Northeast wind around 10 mph becoming southeast in the afternoon.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 78. East wind 5 to 10 mph.
Sunday
Showers and thunderstorms, mainly before 2pm. Some of the storms could produce heavy rainfall. High near 87. Northeast wind 10 to 15 mph becoming east in the afternoon. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 78. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Monday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 78. Southeast wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 78. Southeast wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southeast wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers and thunderstorms. Sunny, with a high near 90. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 78. Southeast wind around 5 mph becoming northeast after midnight.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Northeast wind 5 to 10 mph becoming southeast in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bay St. Louis MS
 30.31°N 89.34°W
Last Update:
1:57 am CDT Aug 29, 2026
Forecast Valid:
10am CDT Aug 29, 2026-6pm CDT Sep 4, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation