Fernandina Beach, FL Weather & Growing Conditions
Today
86°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 3pm. Mostly sunny. High near 86, with temperatures falling to around 85 in the afternoon. South wind 7 to 13 mph, with gusts as high as 16 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 7 to 13 mph S | 32% |
| Tonight | 77°F | Chance Showers And Thunderstorms | 5 to 13 mph S | 39% |
| Wednesday | 85°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 14 mph S | 31% |
| Wednesday Night | 78°F | Chance Showers And Thunderstorms | 3 to 13 mph S | 25% |
| Thursday | 84°F | Chance Showers And Thunderstorms | 1 to 13 mph SE | 28% |
| Thursday Night | 80°F | Chance Showers And Thunderstorms | 6 to 12 mph SE | 25% |
| Friday | 84°F | Chance Showers And Thunderstorms | 7 to 15 mph E | 44% |
| Friday Night | 77°F | Chance Showers And Thunderstorms | 6 to 14 mph E | 31% |
| Saturday | 86°F | Showers And Thunderstorms Likely | 6 to 12 mph SE | 55% |
| Saturday Night | 77°F | Chance Showers And Thunderstorms then Mostly Cloudy | 3 to 10 mph SE | 44% |
| Sunday | 88°F | Chance Showers And Thunderstorms | 2 to 10 mph SE | 42% |
| Sunday Night | 77°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 10 mph S | 42% |
| Monday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 10 mph S | 29% |
| Monday Night | 77°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 10 mph S | 29% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fernandina Beach, FL
Last spring frost
Feb 2
First fall frost
Jan 4
Growing season
333 days
Hardiness zone
9b
Explore more for Fernandina Beach, FL: full frost dates · planting calendar · Florida frost dates
Climate data from the nearest NOAA station, Fernandina Beach, Fl (4.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.