Sebastian, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sebastian, a city in Indian River County, Florida.
Today
90°F
Partly Sunny then 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 southwest 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 for Sebastian
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SSW | 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) for Sebastian (27.787, -80.480). Updated through the day.
Growing snapshot for Sebastian
Last spring frost
Jan 18
First fall frost
Jan 13
Growing season
365 days
Hardiness zone
10a
More local growing data for Sebastian: nearby ZIP 32958 weather · frost dates · planting calendar · Florida frost dates
Nearby towns & communities
Fellsmere
Florida Ridge
Gifford
Indian River Shores
Orchid
Roseland
South Beach
Vero Beach
Vero Beach South
Vero Lake Estates
Wabasso
Wabasso Beach
West Vero Corridor
Windsor
Winter Beach
Yeehaw Junction
Climate data from the nearest NOAA station, Vero Beach 4Se, Fl (11.2 mi from Sebastian). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.