Fleming Island, FL Weather & Growing Conditions
Today
91°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 3pm. Mostly sunny. High near 91, with temperatures falling to around 88 in the afternoon. Heat index values as high as 103. Southwest wind 7 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 40%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 7 to 10 mph SW | 40% |
| Tonight | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 9 mph S | 36% |
| Wednesday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 8 mph S | 49% |
| Wednesday Night | 75°F | Showers And Thunderstorms Likely then Mostly Cloudy | 2 to 9 mph SE | 55% |
| Thursday | 91°F | Chance Showers And Thunderstorms | 2 to 13 mph SE | 49% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 13 mph E | 49% |
| Friday | 91°F | Chance Showers And Thunderstorms | 5 to 15 mph E | 44% |
| Friday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 14 mph E | 44% |
| Saturday | 90°F | Showers And Thunderstorms Likely | 5 to 10 mph E | 67% |
| Saturday Night | 76°F | Showers And Thunderstorms Likely | 3 to 10 mph SE | 67% |
| Sunday | 93°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph SE | 48% |
| Sunday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 7 mph SE | 48% |
| Monday | 94°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph S | 35% |
| Monday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph S | 35% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fleming Island, FL
Last spring frost
Feb 1
First fall frost
Jan 5
Growing season
330 days
Hardiness zone
9b
Explore more for Fleming Island, FL: full frost dates · planting calendar · Florida frost dates
Climate data from the nearest NOAA station, Jacksonville Nas, Fl (9.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.