Decatur, TX Weather & Growing Conditions
Today
102°F
Sunny
Sunny. High near 102, with temperatures falling to around 100 in the afternoon. Heat index values as high as 101. South wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 102°F | Sunny | 5 to 10 mph S | 0% |
| Tonight | 76°F | Mostly Clear | 5 to 10 mph S | 0% |
| Wednesday | 100°F | Sunny | 5 to 10 mph SSW | 0% |
| Wednesday Night | 77°F | Mostly Clear | 5 to 10 mph S | 0% |
| Thursday | 100°F | Sunny | 5 to 10 mph S | 2% |
| Thursday Night | 77°F | Mostly Clear | 5 to 10 mph S | 2% |
| Friday | 98°F | Sunny | 5 to 10 mph S | 9% |
| Friday Night | 76°F | Mostly Clear | 5 to 10 mph SSE | 9% |
| Saturday | 98°F | Sunny | 5 to 10 mph S | 9% |
| Saturday Night | 76°F | Mostly Clear | 5 to 10 mph SSE | 9% |
| Sunday | 98°F | Sunny | 5 to 10 mph S | 4% |
| Sunday Night | 76°F | Mostly Clear | 10 mph S | 2% |
| Monday | 98°F | Sunny | 10 mph S | 4% |
| Monday Night | 77°F | Mostly Clear | 10 mph S | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Decatur, TX
Last spring frost
Mar 20
First fall frost
Nov 11
Growing season
237 days
Hardiness zone
8a
Explore more for Decatur, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Decatur, Tx (6.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.