Sweeny, TX Weather & Growing Conditions
Today
95°F
Sunny
Sunny, with a high near 95. Heat index values as high as 106. South wind 0 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Sunny | 0 to 10 mph S | 6% |
| Tonight | 77°F | Mostly Clear | 0 to 10 mph S | 1% |
| Wednesday | 95°F | Sunny | 0 to 10 mph S | 5% |
| Wednesday Night | 76°F | Mostly Clear | 0 to 10 mph S | 1% |
| Thursday | 94°F | Sunny then Chance Showers And Thunderstorms | 0 to 10 mph SE | 30% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph SE | 30% |
| Friday | 93°F | Chance Showers And Thunderstorms | 0 to 10 mph SE | 33% |
| Friday Night | 75°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph E | 33% |
| Saturday | 93°F | Sunny then Chance Showers And Thunderstorms | 0 to 10 mph E | 26% |
| Saturday Night | 75°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph E | 26% |
| Sunday | 92°F | Chance Showers And Thunderstorms | 0 to 10 mph SE | 29% |
| Sunday Night | 76°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph SE | 29% |
| Monday | 92°F | Chance Showers And Thunderstorms | 0 to 10 mph SE | 35% |
| Monday Night | 77°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 10 mph S | 35% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sweeny, TX
Last spring frost
Feb 20
First fall frost
Dec 3
Growing season
290 days
Hardiness zone
9b
Explore more for Sweeny, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Bay City Wtr Wks, Tx (14.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.