Neptune Beach, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Neptune Beach, a city in Duval County, Florida.
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 84 in the afternoon. South wind 7 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Neptune Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 7 to 15 mph S | 26% |
| Tonight | 77°F | Chance Showers And Thunderstorms | 8 to 15 mph S | 26% |
| Wednesday | 84°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 to 16 mph S | 36% |
| Wednesday Night | 78°F | Chance Showers And Thunderstorms | 5 to 16 mph S | 31% |
| Thursday | 84°F | Chance Showers And Thunderstorms | 2 to 14 mph SE | 31% |
| Thursday Night | 80°F | Chance Showers And Thunderstorms | 10 to 14 mph SE | 26% |
| Friday | 84°F | Chance Showers And Thunderstorms | 10 to 18 mph E | 46% |
| Friday Night | 79°F | Chance Showers And Thunderstorms | 10 to 18 mph SE | 29% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 9 to 15 mph SE | 47% |
| Saturday Night | 78°F | Chance Showers And Thunderstorms then Partly Cloudy | 7 to 14 mph SE | 43% |
| Sunday | 85°F | Chance Showers And Thunderstorms | 5 to 13 mph SE | 36% |
| Sunday Night | 78°F | Chance Showers And Thunderstorms then Partly Cloudy | 6 to 13 mph S | 36% |
| Monday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 13 mph S | 24% |
| Monday Night | 78°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 7 to 13 mph S | 24% |
Forecast source: National Weather Service (api.weather.gov) for Neptune Beach (30.313, -81.393). Updated through the day.
Growing snapshot for Neptune Beach
Last spring frost
Jan 31
First fall frost
Jan 10
Growing season
345 days
Hardiness zone
9b
More local growing data for Neptune Beach: nearby ZIP 32266 weather · frost dates · planting calendar · Florida frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Jacksonville Beach, Fl (2.3 mi from Neptune Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.