Neptune Beach, FL Weather & Growing Conditions
Overnight
72°F
Partly Cloudy
Partly cloudy. Low around 72, with temperatures rising to around 73 overnight. East wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Partly Cloudy | 10 mph E | 4% |
| Wednesday | 79°F | Partly Sunny | 12 mph E | 3% |
| Wednesday Night | 68°F | Mostly Cloudy | 2 to 8 mph SE | 7% |
| Thursday | 79°F | Mostly Sunny | 2 to 8 mph SE | 10% |
| Thursday Night | 68°F | Partly Cloudy | 6 mph S | 10% |
| Friday | 80°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 17% |
| Friday Night | 66°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 3 to 8 mph SW | 17% |
| Saturday | 76°F | Mostly Sunny | 8 mph N | 12% |
| Saturday Night | 62°F | Partly Cloudy | 3 to 7 mph N | 12% |
| Sunday | 72°F | Mostly Sunny | 9 mph N | 11% |
| Sunday Night | 61°F | Mostly Cloudy | 8 to 12 mph N | 14% |
| Monday | 70°F | Slight Chance Rain Showers | 14 mph N | 16% |
| Monday Night | 59°F | Slight Chance Rain Showers then Mostly Clear | 12 mph N | 15% |
| Tuesday | 70°F | Sunny then Slight Chance Rain Showers | 9 to 13 mph NE | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Neptune Beach, FL
Last spring frost
Jan 31
First fall frost
Jan 10
Growing season
345 days
Hardiness zone
9b
Explore more for Neptune Beach, FL: full frost dates · planting calendar · Florida frost dates
Climate data from the nearest NOAA station, Jacksonville Beach, Fl (2.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.