Sebastian, TX Weather & Growing Conditions
Tonight
76°F
Mostly Clear
Mostly clear, with a low around 76. East wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 76°F | Mostly Clear | 0 to 5 mph E | 1% |
| Saturday | 98°F | Sunny | 0 to 12 mph NE | 12% |
| Saturday Night | 75°F | Mostly Clear | 1 to 12 mph ESE | 0% |
| Sunday | 100°F | Sunny | 1 to 12 mph ESE | 11% |
| Sunday Night | 76°F | Partly Cloudy | 2 to 12 mph SE | 11% |
| Monday | 100°F | Sunny then Slight Chance Showers And Thunderstorms | 1 to 13 mph ESE | 19% |
| Monday Night | 76°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 13 mph E | 19% |
| Tuesday | 99°F | Sunny then Chance Showers And Thunderstorms | 0 to 13 mph ENE | 39% |
| Tuesday Night | 76°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 13 mph ENE | 39% |
| Wednesday | 98°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 14 mph ENE | 37% |
| Wednesday Night | 77°F | Chance Showers And Thunderstorms then Mostly Clear | 1 to 12 mph ENE | 37% |
| Thursday | 98°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 3 to 14 mph NE | 37% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms | 2 to 13 mph ENE | 37% |
| Friday | 97°F | Chance Showers And Thunderstorms | 5 to 13 mph NE | 37% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sebastian, TX
Last spring frost
Jan 21
First fall frost
Dec 26
Growing season
340 days
Hardiness zone
10a
Explore more for Sebastian, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Raymondville, Tx (6.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.