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 70%
Wind Speed NE 3 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 21 Aug 9:53 am CDT
Extended Forecast for

Bay St. Louis MS

  • Today

    Today: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. East wind around 5 mph becoming south in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 88. North wind around 5 mph becoming south in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. West wind around 5 mph becoming north after midnight.

    Low: 76 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 88. North wind around 5 mph becoming south in the afternoon. Chance of precipitation is 60%.

    High: 88 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming northwest after midnight.

    Low: 77 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Northwest wind around 5 mph becoming south in the afternoon.

    High: 91 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 77. Southwest wind around 5 mph becoming northwest after midnight.

    Low: 77 °F

    Slight Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. North wind around 5 mph becoming south in the afternoon.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 91. East wind around 5 mph becoming south in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 88. North wind around 5 mph becoming south in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76. West wind around 5 mph becoming north after midnight.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 88. North wind around 5 mph becoming south in the afternoon. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southwest wind around 5 mph becoming northwest after midnight.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Northwest wind around 5 mph becoming south in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 77. Southwest wind around 5 mph becoming northwest after midnight.
Monday
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 91. North wind around 5 mph becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 76. South wind around 5 mph becoming west after midnight.
Tuesday
A slight chance of showers and thunderstorms. Sunny, with a high near 89. Northeast wind 5 to 10 mph becoming south in the afternoon.
Tuesday Night
Mostly clear, with a low around 75. Southwest wind around 5 mph becoming north after midnight.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Northeast wind 5 to 10 mph.
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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:
10:07 am CDT Aug 21, 2025
Forecast Valid:
10am CDT Aug 21, 2025-6pm CDT Aug 27, 2025
 
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