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

Fernandina Beach Municipal Airport (KFHB)

Lat: 30.61°NLon: 81.46°WElev: 16ft.

Thunderstorm

79°F

26°C

Humidity 84%
Wind Speed NW 8 mph
Barometer 30.00 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 16 Aug 7:55 pm EDT
Extended Forecast for

Saint Marys GA

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly between 3am and 5am. Mostly cloudy, with a low around 76. Light and variable wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly before 4pm. Mostly cloudy, with a high near 87. East wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76. East wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Sunny, with a high near 90. Northeast wind 5 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76. East wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 91.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 76.

    Low: 76 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Sunny, with a high near 92. Chance of precipitation is 30%.

    High: 92 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76.

    Low: 76 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly between 3am and 5am. Mostly cloudy, with a low around 76. Light and variable wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely, mainly before 4pm. Mostly cloudy, with a high near 87. East wind 3 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76. East wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Sunny, with a high near 90. Northeast wind 5 to 11 mph, with gusts as high as 16 mph. Chance of precipitation is 30%.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76. East wind around 5 mph becoming calm in the evening.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 91.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 76.
Wednesday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Sunny, with a high near 92. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 76.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 76.
Friday
Showers and thunderstorms likely. Sunny, with a high near 93. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 75. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 91. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys GA
 30.77°N 81.57°W
Last Update:
7:31 pm EDT Aug 16, 2025
Forecast Valid:
8pm EDT Aug 16, 2025-6pm EDT Aug 23, 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