Sebastian, TX Weather & Growing Conditions
Tonight
65°F
Chance Rain Showers
A chance of rain showers before 1am. Mostly cloudy, with a low around 65. North wind 7 to 10 mph. Chance of precipitation is 40%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Chance Rain Showers | 7 to 10 mph N | 35% |
| Wednesday | 83°F | Mostly Sunny | 7 to 10 mph NNE | 4% |
| Wednesday Night | 67°F | Partly Cloudy | 2 to 9 mph E | 1% |
| Thursday | 90°F | Mostly Sunny | 3 to 9 mph SSE | 7% |
| Thursday Night | 69°F | Showers And Thunderstorms Likely | 2 to 8 mph SSW | 72% |
| Friday | 80°F | Chance Showers And Thunderstorms then Partly Sunny | 7 to 14 mph N | 45% |
| Friday Night | 62°F | Partly Cloudy then Slight Chance Rain Showers | 5 to 9 mph N | 24% |
| Saturday | 78°F | Chance Rain Showers | 9 to 13 mph N | 48% |
| Saturday Night | 60°F | Chance Showers And Thunderstorms | 8 to 15 mph N | 36% |
| Sunday | 75°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 10 to 15 mph N | 27% |
| Sunday Night | 56°F | Partly Cloudy | 5 to 8 mph N | 14% |
| Monday | 76°F | Mostly Sunny | 8 mph NNE | 5% |
| Monday Night | 56°F | Partly Cloudy | 2 to 7 mph NE | 1% |
| Tuesday | 80°F | Mostly Sunny | 3 to 9 mph ENE | 2% |
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 Nov 4, 2026.