Fernandina Beach, FL Weather & Growing Conditions
Overnight
77°F
Partly Cloudy
Partly cloudy. Low around 77, with temperatures rising to around 79 overnight. Northeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 77°F | Partly Cloudy | 2 mph NE | 2% |
| Saturday | 84°F | Mostly Sunny | 2 to 10 mph NE | 5% |
| Saturday Night | 77°F | Partly Cloudy | 3 to 9 mph E | 13% |
| Sunday | 84°F | Chance Rain Showers then Chance Showers And Thunderstorms | 3 to 10 mph NE | 37% |
| Sunday Night | 77°F | Chance Showers And Thunderstorms | 3 to 9 mph E | 37% |
| Monday | 83°F | Showers And Thunderstorms Likely | 3 to 10 mph NE | 60% |
| Monday Night | 75°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 2 to 9 mph E | 59% |
| Tuesday | 85°F | Showers And Thunderstorms Likely | 2 to 10 mph NE | 67% |
| Tuesday Night | 75°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 9 mph NE | 67% |
| Wednesday | 85°F | Showers And Thunderstorms Likely | 3 to 14 mph NE | 65% |
| Wednesday Night | 75°F | Showers And Thunderstorms Likely | 8 to 13 mph NE | 65% |
| Thursday | 83°F | Chance Rain Showers then Chance Showers And Thunderstorms | 13 to 23 mph NE | 50% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms | 9 to 20 mph NE | 50% |
| Friday | 82°F | Chance Rain Showers then Chance Showers And Thunderstorms | 15 to 21 mph NE | 44% |
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 Sep 19, 2026.