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.

Fair

75°F

24°C

Humidity 94%
Wind Speed SW 9 mph
Barometer 29.95 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 17 Jun 3:15 am EDT
Extended Forecast for

Saint Marys GA

  • Overnight

    Overnight: A 10 percent chance of showers after 5am. Mostly cloudy, with a steady temperature around 75. Southwest wind around 5 mph.

    Low: 75 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 87. Southwest wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 76. Light southwest wind.

    Low: 76 °F

    Slight Chance
    T-storms then
    Partly 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 105. Southwest wind 6 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 60%.

    High: 92 °F

    Mostly 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 76. Southwest wind 5 to 7 mph.

    Low: 76 °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. 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 88. Chance of precipitation is 80%.

    High: 88 °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

Detailed Forecast

Overnight
A 10 percent chance of showers after 5am. Mostly cloudy, with a steady temperature around 75. Southwest wind around 5 mph.
Wednesday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 87. Southwest wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 76. Light southwest wind.
Thursday
Showers and thunderstorms likely, mainly between 3pm and 5pm. Partly sunny, with a high near 92. Heat index values as high as 105. Southwest wind 6 to 9 mph, with gusts as high as 17 mph. Chance of precipitation is 60%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 76. 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. 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 88. 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 89.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 75.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys GA
 30.77°N 81.57°W
Last Update:
2:21 am EDT Jun 17, 2026
Forecast Valid:
3am 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