Sebastian, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sebastian, a city in Indian River County, Florida.
Today
88°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny. High near 88, with temperatures falling to around 83 in the afternoon. Northeast wind 0 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Sebastian
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Chance Showers And Thunderstorms | 0 to 10 mph NE | 51% |
| Tonight | 73°F | Chance Showers And Thunderstorms | 0 to 5 mph SSE | 27% |
| Sunday | 87°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 52% |
| Sunday Night | 72°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph SSE | 65% |
| Monday | 87°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 70% |
| Monday Night | 72°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSE | 70% |
| Tuesday | 88°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 70% |
| Tuesday Night | 73°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph S | 70% |
| Wednesday | 88°F | Chance Showers And Thunderstorms | 0 to 5 mph NNW | 75% |
| Wednesday Night | 73°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph NE | 75% |
| Thursday | 87°F | Chance Showers And Thunderstorms | 0 to 10 mph N | 54% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms | 0 to 5 mph NNE | 54% |
| Friday | 88°F | Showers And Thunderstorms Likely | 5 to 10 mph NNE | 57% |
| Friday Night | 73°F | Showers And Thunderstorms Likely | 0 to 10 mph NE | 57% |
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 Sep 19, 2026.