Duncanville, TX Weather & Growing Conditions
Overnight
75°F
Mostly Clear
Mostly clear. Low around 75, with temperatures rising to around 77 overnight. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 75°F | Mostly Clear | 5 mph S | 0% |
| Saturday | 98°F | Mostly Sunny | 5 to 10 mph S | 0% |
| Saturday Night | 75°F | Mostly Clear | 10 mph SSE | 0% |
| Sunday | 99°F | Mostly Sunny | 5 to 10 mph S | 10% |
| Sunday Night | 75°F | Chance Showers And Thunderstorms | 5 mph S | 38% |
| Monday | 96°F | Chance Showers And Thunderstorms | 5 mph W | 38% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph NE | 21% |
| Tuesday | 93°F | Mostly Sunny | 5 to 10 mph NE | 12% |
| Tuesday Night | 71°F | Partly Cloudy | 5 to 10 mph NE | 9% |
| Wednesday | 93°F | Mostly Sunny | 5 to 10 mph ENE | 6% |
| Wednesday Night | 71°F | Partly Cloudy | 5 mph E | 3% |
| Thursday | 93°F | Mostly Sunny | 5 mph E | 3% |
| Thursday Night | 71°F | Partly Cloudy | 5 to 10 mph E | 1% |
| Friday | 93°F | Mostly Sunny | 5 to 10 mph E | 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 Sep 19, 2026.