Sebastian, TX Weather & Growing Conditions
Today
98°F
Mostly Sunny
Mostly sunny. High near 98, with temperatures falling to around 94 in the afternoon. Heat index values as high as 107. East northeast wind 0 to 12 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 98°F | Mostly Sunny | 0 to 12 mph ENE | 12% |
| Tonight | 76°F | Mostly Clear | 0 to 13 mph ESE | 5% |
| Sunday | 98°F | Mostly Sunny | 0 to 12 mph ENE | 7% |
| Sunday Night | 76°F | Partly Cloudy | 2 to 12 mph ESE | 1% |
| Monday | 98°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 13 mph ESE | 30% |
| Monday Night | 76°F | Chance Showers And Thunderstorms then Clear | 0 to 13 mph E | 30% |
| Tuesday | 97°F | Sunny then Chance Showers And Thunderstorms | 1 to 13 mph ENE | 34% |
| Tuesday Night | 77°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 13 mph NE | 34% |
| Wednesday | 97°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 14 mph NE | 41% |
| Wednesday Night | 77°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 13 mph ENE | 41% |
| Thursday | 96°F | Chance Rain Showers then Chance Showers And Thunderstorms | 3 to 13 mph NE | 44% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms | 2 to 13 mph ENE | 44% |
| Friday | 96°F | Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 13 mph NE | 30% |
| Friday Night | 75°F | Chance Showers And Thunderstorms then Mostly Clear | 2 to 12 mph ENE | 30% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sebastian, TX
Last spring frost
Jan 10
First fall frost
Dec 27
Growing season
355 days
Hardiness zone
10a
Explore more for Sebastian, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Santa Rosa 3 Wnw, Tx (6.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.