Sulphur Springs, TX Weather & Growing Conditions
This Afternoon
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 100. South wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Sunny | 10 mph S | 0% |
| Tonight | 73°F | Mostly Clear | 5 to 10 mph S | 0% |
| Sunday | 99°F | Mostly Sunny | 5 to 10 mph SSW | 1% |
| Sunday Night | 74°F | Partly Cloudy then Chance Showers And Thunderstorms | 0 to 5 mph S | 27% |
| Monday | 97°F | Chance Showers And Thunderstorms | 0 to 5 mph WSW | 27% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph N | 22% |
| Tuesday | 94°F | Mostly Sunny | 5 to 10 mph NNE | 11% |
| Tuesday Night | 69°F | Partly Cloudy | 5 to 10 mph NE | 10% |
| Wednesday | 93°F | Mostly Sunny | 5 to 10 mph ENE | 8% |
| Wednesday Night | 68°F | Mostly Clear | 5 to 10 mph ENE | 2% |
| Thursday | 92°F | Mostly Sunny | 5 mph E | 1% |
| Thursday Night | 68°F | Partly Cloudy | 0 to 5 mph E | 1% |
| Friday | 92°F | Mostly Sunny | 0 to 5 mph ENE | 2% |
| Friday Night | 68°F | Partly Cloudy | 5 mph ENE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sulphur Springs, TX
Last spring frost
Mar 15
First fall frost
Nov 14
Growing season
245 days
Hardiness zone
8b
Explore more for Sulphur Springs, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Sulphur Springs, Tx (1.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.