Neptune Beach, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Neptune Beach, a city in Duval County, Florida.
Overnight
73°F
Partly Cloudy
Partly cloudy. Low around 73, with temperatures rising to around 75 overnight. East wind around 10 mph, with gusts as high as 16 mph.
7-day forecast for Neptune Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Partly Cloudy | 10 mph E | 0% |
| Wednesday | 78°F | Partly Sunny | 12 mph E | 3% |
| Wednesday Night | 71°F | Partly Cloudy | 3 to 9 mph SE | 3% |
| Thursday | 78°F | Sunny | 2 to 9 mph SE | 7% |
| Thursday Night | 70°F | Partly Cloudy | 7 mph S | 5% |
| Friday | 79°F | Mostly Sunny then Slight Chance Rain Showers | 6 mph S | 16% |
| Friday Night | 67°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 12 mph W | 16% |
| Saturday | 74°F | Sunny | 5 to 12 mph N | 3% |
| Saturday Night | 64°F | Partly Cloudy | 5 to 10 mph N | 3% |
| Sunday | 71°F | Mostly Sunny then Slight Chance Rain Showers | 12 mph N | 15% |
| Sunday Night | 62°F | Slight Chance Rain Showers then Partly Cloudy | 9 to 14 mph N | 15% |
| Monday | 69°F | Mostly Sunny then Slight Chance Rain Showers | 15 mph N | 15% |
| Monday Night | 61°F | Slight Chance Rain Showers | 12 mph NE | 15% |
| Tuesday | 69°F | Slight Chance Rain Showers | 10 mph NE | 15% |
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 Nov 4, 2026.