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

27°C

81°F

Humidity 79%
Wind Speed S 11 km/h
Barometer 30.06 in
Dewpoint 23°C (73°F)
Visibility 16 km
Heat Index30°C (86°F)
Last update 12 Jul 9:55 pm EDT
Extended Forecast for

Saint Marys GA

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 24. Southwest wind 5 to 10 km/h.

    Low: 24 °C

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny and hot, with a high near 36. Heat index values as high as 41. West wind 8 to 11 km/h becoming north in the afternoon. New rainfall amounts between 2.5 and 5 mm possible.

    High: 36 °C

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 24. South wind 5 to 8 km/h becoming west after midnight.

    Low: 24 °C

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 34. Heat index values as high as 39. Calm wind becoming north 5 to 10 km/h in the morning.

    High: 34 °C

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 24. Calm wind.

    Low: 24 °C

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 32. Chance of precipitation is 60%.

    High: 32 °C

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers. Partly cloudy, with a low around 24. Chance of precipitation is 60%.

    Low: 24 °C

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers, then showers and thunderstorms after 8am. High near 32. Chance of precipitation is 80%.

    High: 32 °C

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms, mainly before 8pm. Low around 24. Chance of precipitation is 80%.

    Low: 24 °C

    T-storms then
    Slight Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 24. Southwest wind 5 to 10 km/h.
Sunday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny and hot, with a high near 36. Heat index values as high as 41. West wind 8 to 11 km/h becoming north in the afternoon. New rainfall amounts between 2.5 and 5 mm possible.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before midnight. Partly cloudy, with a low around 24. South wind 5 to 8 km/h becoming west after midnight.
Monday
A 50 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 34. Heat index values as high as 39. Calm wind becoming north 5 to 10 km/h in the morning.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 24. Calm wind.
Tuesday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 32. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely before 2am, then a slight chance of showers. Partly cloudy, with a low around 24. Chance of precipitation is 60%.
Wednesday
A chance of showers, then showers and thunderstorms after 8am. High near 32. Chance of precipitation is 80%.
Wednesday Night
Showers and thunderstorms, mainly before 8pm. Low around 24. Chance of precipitation is 80%.
Thursday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 33. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 33. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 24. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 34. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Marys GA
 30.75°N 81.57°W
Last Update:
7:01 pm EDT Jul 12, 2025
Forecast Valid:
10pm EDT Jul 12, 2025-6pm EDT Jul 19, 2025
 
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