Sebastian, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sebastian, a city in Indian River County, Florida.
Today
84°F
Mostly Sunny
Mostly sunny. High near 84, with temperatures falling to around 80 in the afternoon. East wind 5 to 10 mph.
7-day forecast for Sebastian
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 5 to 10 mph E | 7% |
| Tonight | 71°F | Partly Cloudy | 0 to 5 mph ENE | 5% |
| Thursday | 84°F | Sunny | 0 to 10 mph NE | 3% |
| Thursday Night | 70°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Friday | 84°F | Sunny | 0 to 5 mph NNE | 5% |
| Friday Night | 68°F | Mostly Clear | 0 to 5 mph SSW | 5% |
| Saturday | 83°F | Sunny | 5 mph NNW | 2% |
| Saturday Night | 67°F | Mostly Clear | 0 to 5 mph N | 2% |
| Sunday | 81°F | Sunny | 5 to 10 mph N | 6% |
| Sunday Night | 66°F | Partly Cloudy | 5 mph N | 8% |
| Monday | 77°F | Mostly Sunny then Slight Chance Rain Showers | 5 to 10 mph N | 15% |
| Monday Night | 65°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NNE | 15% |
| Tuesday | 78°F | Slight Chance Rain Showers | 10 mph NE | 18% |
| Tuesday Night | 66°F | Slight Chance Rain Showers | 5 mph N | 18% |
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 Nov 4, 2026.