Neptune Beach, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Neptune Beach, a city in Duval County, Florida.
This Afternoon
83°F
Mostly Sunny
Mostly sunny. High near 83, with temperatures falling to around 82 in the afternoon. Northeast wind around 14 mph, with gusts as high as 17 mph.
7-day forecast for Neptune Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Mostly Sunny | 14 mph NE | 10% |
| Tonight | 77°F | Partly Cloudy | 3 to 14 mph E | 3% |
| Saturday | 84°F | Mostly Sunny | 5 to 12 mph NE | 8% |
| Saturday Night | 77°F | Partly Cloudy then Slight Chance Rain Showers | 3 to 10 mph E | 15% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 5 to 13 mph NE | 29% |
| Sunday Night | 77°F | Chance Showers And Thunderstorms | 5 to 10 mph E | 35% |
| Monday | 82°F | Showers And Thunderstorms Likely | 5 to 12 mph NE | 60% |
| Monday Night | 76°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 52% |
| Tuesday | 83°F | Showers And Thunderstorms Likely | 5 to 12 mph NE | 64% |
| Tuesday Night | 76°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 6 to 10 mph E | 64% |
| Wednesday | 82°F | Showers And Thunderstorms Likely | 7 to 18 mph N | 64% |
| Wednesday Night | 77°F | Showers And Thunderstorms Likely | 13 to 17 mph NE | 64% |
| Thursday | 81°F | Showers And Thunderstorms Likely | 16 to 32 mph NE | 57% |
| Thursday Night | 76°F | Showers And Thunderstorms Likely | 17 to 30 mph NE | 57% |
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 Sep 19, 2026.