Duncanville, TX Weather & Growing Conditions
Tonight
52°F
Mostly Clear
Mostly clear, with a low around 52. Northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Clear | 5 mph NW | 0% |
| Wednesday | 72°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 51°F | Mostly Clear then Patchy Fog | 0 to 5 mph SSE | 0% |
| Thursday | 77°F | Sunny | 5 to 10 mph SSW | 12% |
| Thursday Night | 52°F | Mostly Clear | 5 to 10 mph NW | 13% |
| Friday | 69°F | Sunny | 5 to 10 mph N | 0% |
| Friday Night | 48°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 67°F | Mostly Sunny | 5 mph N | 1% |
| Saturday Night | 46°F | Partly Cloudy | 0 to 5 mph N | 7% |
| Sunday | 68°F | Sunny | 0 to 5 mph NNW | 2% |
| Sunday Night | 46°F | Clear | 0 to 5 mph WNW | 1% |
| Monday | 71°F | Sunny | 0 to 5 mph SSW | 1% |
| Monday Night | 47°F | Mostly Clear | 5 mph S | 1% |
| Tuesday | 74°F | Sunny | 5 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Duncanville, TX
Last spring frost
Mar 20
First fall frost
Nov 13
Growing season
236 days
Hardiness zone
8b
Explore more for Duncanville, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Joe Pool Lake, Tx (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.