Sebastian, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sebastian, a city in Indian River County, Florida.
This Afternoon
88°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny. High near 88, with temperatures falling to around 83 in the afternoon. Northeast wind around 10 mph. Chance of precipitation is 40%.
7-day forecast for Sebastian
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 88°F | Chance Showers And Thunderstorms | 10 mph NE | 36% |
| Tonight | 73°F | Chance Showers And Thunderstorms | 0 to 5 mph NE | 37% |
| Sunday | 87°F | Showers And Thunderstorms Likely | 0 to 10 mph N | 56% |
| Sunday Night | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SSE | 39% |
| Monday | 87°F | Showers And Thunderstorms Likely | 0 to 5 mph NNE | 74% |
| Monday Night | 73°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSE | 74% |
| Tuesday | 88°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 74% |
| Tuesday Night | 73°F | Showers And Thunderstorms Likely | 0 to 5 mph SSE | 74% |
| Wednesday | 87°F | Showers And Thunderstorms Likely | 0 to 10 mph N | 72% |
| Wednesday Night | 74°F | Showers And Thunderstorms Likely | 0 to 5 mph NNE | 72% |
| Thursday | 87°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 53% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms | 5 to 10 mph NNE | 53% |
| Friday | 87°F | Chance Showers And Thunderstorms | 5 to 15 mph NNE | 54% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 5 to 10 mph NNE | 54% |
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
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Fellsmere
Florida Ridge
Gifford
Indian River Shores
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Vero Beach
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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 20, 2026.