Sour Lake, TX Weather & Growing Conditions
Overnight
74°F
Mostly Clear
Mostly clear, with a low around 74. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 74°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 94°F | Sunny | 0 to 5 mph S | 11% |
| Tuesday Night | 74°F | Mostly Clear | 0 to 5 mph S | 8% |
| Wednesday | 93°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 20% |
| Wednesday Night | 73°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph W | 16% |
| Thursday | 93°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph E | 25% |
| Thursday Night | 73°F | Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph E | 25% |
| Friday | 91°F | Sunny then Chance Showers And Thunderstorms | 0 mph | 39% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 0 mph | 39% |
| Saturday | 91°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 mph | 38% |
| Saturday Night | 73°F | Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 38% |
| Sunday | 90°F | Chance Showers And Thunderstorms | 0 mph | 51% |
| Sunday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 51% |
| Monday | 90°F | Showers And Thunderstorms Likely | 0 to 5 mph S | 57% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sour Lake, TX
Last spring frost
Feb 18
First fall frost
Dec 2
Growing season
291 days
Hardiness zone
9a
Explore more for Sour Lake, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Beaumont Rsch Ctr, Tx (10.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.