Sebastian, FL Weather & Growing Conditions
This Afternoon
90°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 1pm and 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers and thunderstorms. Partly sunny. High near 90, with temperatures falling to around 84 in the afternoon. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 90°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 78% |
| Tonight | 74°F | Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph S | 78% |
| Wednesday | 89°F | Chance Showers And Thunderstorms | 0 to 10 mph SE | 50% |
| Wednesday Night | 76°F | Chance Showers And Thunderstorms | 5 to 10 mph ESE | 45% |
| Thursday | 89°F | Chance Showers And Thunderstorms | 5 to 15 mph E | 49% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms | 10 mph E | 49% |
| Friday | 88°F | Showers And Thunderstorms Likely | 10 to 15 mph E | 67% |
| Friday Night | 75°F | Chance Showers And Thunderstorms | 5 to 10 mph ESE | 54% |
| Saturday | 89°F | Showers And Thunderstorms Likely | 5 to 10 mph ESE | 60% |
| Saturday Night | 76°F | Showers And Thunderstorms Likely then Partly Cloudy | 5 to 10 mph ESE | 60% |
| Sunday | 90°F | Sunny then Chance Showers And Thunderstorms | 5 to 10 mph ESE | 35% |
| Sunday Night | 76°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph ESE | 35% |
| Monday | 90°F | Sunny then Chance Showers And Thunderstorms | 0 to 10 mph ESE | 27% |
| Monday Night | 75°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph SE | 27% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sebastian, FL
Last spring frost
Jan 18
First fall frost
Jan 13
Growing season
365 days
Hardiness zone
10a
Explore more for Sebastian, FL: full frost dates · planting calendar · Florida frost dates
Climate data from the nearest NOAA station, Vero Beach 4Se, Fl (11.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.