National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Fernandina Beach Municipal Airport (KFHB)

Lat: 30.61°NLon: 81.46°WElev: 16ft.

Fair

41°F

5°C

Humidity 76%
Wind Speed NW 3 mph
Barometer 30.24 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 18 Mar 2:55 am EDT
Extended Forecast for

3 Miles SSE Saint Marys GA

Frost Advisory until March 18, 09:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until March 18, 09:00am

    NOW until 9:00am Wed

    Frost Advisory

  • Overnight

    Low: 36 °F

    Patchy Frost

  • Wednesday

    Wednesday: Patchy frost before 9am. Otherwise, mostly sunny, with a high near 61. Northeast wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 61 °F

    Patchy Frost
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 42. North wind 6 to 8 mph.

    Low: 42 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 65. North wind 7 to 13 mph, with gusts as high as 18 mph.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47. East wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

Detailed Forecast

Overnight
Patchy frost after 5am. Otherwise, mostly clear, with a low around 36. North wind around 5 mph.
Wednesday
Patchy frost before 9am. Otherwise, mostly sunny, with a high near 61. Northeast wind 7 to 14 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 42. North wind 6 to 8 mph.
Thursday
Sunny, with a high near 65. North wind 7 to 13 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 47. East wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 71.
Friday Night
Clear, with a low around 51.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 83.
Sunday Night
Clear, with a low around 57.
Monday
Sunny, with a high near 84.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 60.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Saint Marys GA
 30.72°N 81.55°W
Last Update:
2:21 am EDT Mar 18, 2026
Forecast Valid:
3am EDT Mar 18, 2026-6pm EDT Mar 24, 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