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 Light Rain

77°F

25°C

Humidity 89%
Wind Speed W 20 G 28 mph
Barometer 30.01 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 13 Jun 5:55 pm EDT
Extended Forecast for

Saint Marys GA

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76. Southeast wind around 6 mph becoming light and variable in the evening.

    Low: 76 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms. High near 92. Heat index values as high as 103. West wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 92 °F

    Mostly Sunny
    then T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 75. Southwest wind 6 to 8 mph.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Showers and thunderstorms between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 93. Heat index values as high as 103. West wind 8 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 80%.

    High: 93 °F

    Mostly Sunny
    then T-storms

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Low around 73. Southwest wind 6 to 9 mph. Chance of precipitation is 80%.

    Low: 73 °F

    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly cloudy, with a high near 89. Chance of precipitation is 70%.

    High: 89 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

    Low: 74 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: A slight chance of showers before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 75.

    Low: 75 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76. Southeast wind around 6 mph becoming light and variable in the evening.
Sunday
Showers and thunderstorms. High near 92. Heat index values as high as 103. West wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 75. Southwest wind 6 to 8 mph.
Monday
Showers and thunderstorms between 2pm and 5pm, then showers and possibly a thunderstorm after 5pm. High near 93. Heat index values as high as 103. West wind 8 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Low around 73. Southwest wind 6 to 9 mph. Chance of precipitation is 80%.
Tuesday
A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly cloudy, with a high near 89. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.
Wednesday
A slight chance of showers before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 75.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Juneteenth
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 90. 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:
2:21 pm EDT Jun 13, 2026
Forecast Valid:
6pm EDT Jun 13, 2026-6pm EDT Jun 20, 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