Fernandina Beach, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fernandina Beach, a city in Nassau County, Florida.
Today
88°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 4pm. Mostly sunny. High near 88, with temperatures falling to around 85 in the afternoon. South wind 6 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 for Fernandina Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 to 13 mph S | 27% |
| Tonight | 75°F | Chance Showers And Thunderstorms | 5 to 13 mph S | 38% |
| Wednesday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 13 mph S | 27% |
| Wednesday Night | 76°F | Slight Chance Showers And Thunderstorms | 3 to 13 mph S | 24% |
| Thursday | 86°F | Chance Showers And Thunderstorms | 2 to 12 mph SE | 29% |
| Thursday Night | 77°F | Slight Chance Showers And Thunderstorms | 6 to 10 mph SE | 22% |
| Friday | 86°F | Chance Showers And Thunderstorms | 6 to 14 mph E | 44% |
| Friday Night | 77°F | Chance Showers And Thunderstorms | 5 to 13 mph E | 35% |
| Saturday | 86°F | Showers And Thunderstorms Likely | 5 to 10 mph SE | 57% |
| Saturday Night | 76°F | Chance Showers And Thunderstorms | 3 to 9 mph SE | 41% |
| Sunday | 88°F | Chance Showers And Thunderstorms | 2 to 9 mph S | 40% |
| Sunday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 8 mph S | 40% |
| Monday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph S | 28% |
| Monday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 8 mph S | 28% |
Forecast source: National Weather Service (api.weather.gov) for Fernandina Beach (30.658, -81.452). Updated through the day.
Growing snapshot for Fernandina Beach
Last spring frost
Feb 2
First fall frost
Jan 4
Growing season
333 days
Hardiness zone
9b
More local growing data for Fernandina Beach: nearby ZIP 32034 weather · frost dates · planting calendar · Florida frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Fernandina Beach, Fl (4.8 mi from Fernandina Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.