Decatur, TX Weather & Growing Conditions
This Afternoon
98°F
Sunny
Sunny. High near 98, with temperatures falling to around 96 in the afternoon. Heat index values as high as 97. South southeast wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Sunny | 10 mph SSE | 0% |
| Tonight | 74°F | Mostly Clear | 5 to 10 mph SSE | 0% |
| Saturday | 98°F | Sunny | 5 to 10 mph S | 0% |
| Saturday Night | 75°F | Mostly Clear | 5 to 10 mph S | 0% |
| Sunday | 98°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 20% |
| Sunday Night | 70°F | Showers And Thunderstorms Likely | 0 to 5 mph SSE | 57% |
| Monday | 92°F | Rain Showers Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph S | 57% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms | 5 mph NE | 22% |
| Tuesday | 90°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph NE | 22% |
| Tuesday Night | 67°F | Partly Cloudy | 5 to 10 mph NE | 6% |
| Wednesday | 90°F | Mostly Sunny | 5 to 10 mph ENE | 8% |
| Wednesday Night | 68°F | Partly Cloudy | 5 mph ENE | 4% |
| Thursday | 91°F | Mostly Sunny | 5 to 10 mph E | 9% |
| Thursday Night | 68°F | Partly Cloudy | 5 to 10 mph E | 6% |
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 Sep 19, 2026.