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.

Partly Cloudy

81°F

27°C

Humidity 84%
Wind Speed S 5 mph
Barometer 30.06 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 10 Aug 10:15 am EDT
Extended Forecast for

Saint Marys GA

  • Today

    Today: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. South wind 5 to 9 mph becoming east in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    Showers then
    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Low around 76. Southeast wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 76 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 89. Heat index values as high as 100. Southeast wind 5 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Chance
    T-storms then
    T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 75. Southeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 80%.

    Low: 75 °F

    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 91. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 60%.

    High: 91 °F

    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.

    Low: 76 °F

    T-storms
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 93. Chance of precipitation is 50%.

    High: 93 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

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

    Low: 76 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 95.

    High: 95 °F

    Chance
    T-storms

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 87. South wind 5 to 9 mph becoming east in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 11pm, then a chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Low around 76. Southeast wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 89. Heat index values as high as 100. Southeast wind 5 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 75. Southeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 80%.
Tuesday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 91. Calm wind becoming southeast around 6 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Wednesday
A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 93. Chance of precipitation is 50%.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 95.
Thursday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 92. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys GA
 30.77°N 81.57°W
Last Update:
9:27 am EDT Aug 10, 2025
Forecast Valid:
10am EDT Aug 10, 2025-6pm EDT Aug 16, 2025
 
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Additional Resources

Radar & Satellite Image

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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