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

81°F

27°C

Humidity 66%
Wind Speed NW 8 mph
Barometer 30.03 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 20 Jun 9:35 am EDT
Extended Forecast for

4 Miles SW Saint Marys GA

  • Today

    Today: Showers and thunderstorms, mainly after 3pm. High near 89. Heat index values as high as 102. West wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 89 °F

    Partly Sunny
    then T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Some of the storms could produce heavy rainfall. Low around 72. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 72 °F

    Heavy Rain
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 91. Heat index values as high as 101. West wind 3 to 7 mph.

    High: 91 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms between 7pm and 8pm. Mostly cloudy, with a low around 74. South wind 3 to 7 mph. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 95. West wind 5 to 10 mph, with gusts as high as 16 mph.

    High: 95 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

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

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Showers and thunderstorms, mainly after 3pm. High near 89. Heat index values as high as 102. West wind 5 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Some of the storms could produce heavy rainfall. Low around 72. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Partly sunny, with a high near 91. Heat index values as high as 101. West wind 3 to 7 mph.
Sunday Night
A chance of showers and thunderstorms between 7pm and 8pm. Mostly cloudy, with a low around 74. South wind 3 to 7 mph. Chance of precipitation is 30%.
Monday
Mostly sunny and hot, with a high near 95. West wind 5 to 10 mph, with gusts as high as 16 mph.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 76.
Wednesday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Saint Marys GA
 30.73°N 81.63°W
Last Update:
9:01 am EDT Jun 20, 2026
Forecast Valid:
9am EDT Jun 20, 2026-6pm EDT Jun 26, 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