Jacksonville Beach, 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 86 in the afternoon. Heat index values as high as 103. South wind 7 to 12 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 | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 7 to 12 mph S | 28% |
| Tonight | 75°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 12 mph S | 27% |
| Wednesday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 14 mph S | 39% |
| Wednesday Night | 76°F | Chance Showers And Thunderstorms | 3 to 14 mph S | 34% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 2 to 14 mph SE | 30% |
| Thursday Night | 78°F | Chance Showers And Thunderstorms then Partly Cloudy | 7 to 12 mph E | 30% |
| Friday | 89°F | Chance Showers And Thunderstorms | 8 to 16 mph E | 47% |
| Friday Night | 77°F | Chance Showers And Thunderstorms | 8 to 15 mph E | 27% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 7 to 14 mph SE | 46% |
| Saturday Night | 77°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 12 mph SE | 46% |
| Sunday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 12 mph SE | 38% |
| Sunday Night | 77°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph S | 38% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 10 mph S | 25% |
| Monday Night | 77°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph S | 25% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jacksonville Beach, FL
Last spring frost
Jan 31
First fall frost
Jan 10
Growing season
345 days
Hardiness zone
9b
Explore more for Jacksonville Beach, FL: full frost dates · planting calendar · Florida frost dates
Climate data from the nearest NOAA station, Jacksonville Beach, Fl (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.