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

79°F

26°C

Humidity 84%
Wind Speed SW 13 mph
Barometer 29.97 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 Jun 9:15 am EDT
Extended Forecast for

Saint Marys GA

  • Today

    Today: A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 87. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Chance
    Showers

  • Tonight

    Tonight: A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 76. Calm wind becoming south around 5 mph after midnight.

    Low: 76 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly between 3pm and 5pm. Partly sunny, with a high near 92. Heat index values as high as 103. Southwest wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Partly Sunny
    then T-storms
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 77. Southwest wind 5 to 7 mph.

    Low: 77 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Juneteenth

    Juneteenth: A chance of showers, then showers and thunderstorms likely after 11am. Mostly cloudy, with a high near 90. West wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.

    High: 90 °F

    T-storms
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.

    Low: 75 °F

    T-storms
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, then showers and thunderstorms after 8am. High near 89. Chance of precipitation is 80%.

    High: 89 °F

    Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms, mainly before 8pm. Low around 73. Chance of precipitation is 80%.

    Low: 73 °F

    T-storms then
    Slight Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 87. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 76. Calm wind becoming south around 5 mph after midnight.
Thursday
Showers and thunderstorms likely, mainly between 3pm and 5pm. Partly sunny, with a high near 92. Heat index values as high as 103. Southwest wind 6 to 10 mph, with gusts as high as 17 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 77. Southwest wind 5 to 7 mph.
Juneteenth
A chance of showers, then showers and thunderstorms likely after 11am. Mostly cloudy, with a high near 90. West wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 75. Chance of precipitation is 60%.
Saturday
A chance of showers, then showers and thunderstorms after 8am. High near 89. Chance of precipitation is 80%.
Saturday Night
Showers and thunderstorms, mainly before 8pm. Low around 73. Chance of precipitation is 80%.
Sunday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 75.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Monday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys GA
 30.75°N 81.6°W
Last Update:
8:36 am EDT Jun 17, 2026
Forecast Valid:
9am EDT Jun 17, 2026-6pm EDT Jun 23, 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