Duncanville, TX Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Duncanville, TX in one place.
Sunny, with a high near 99. Heat index values as high as 98. Southeast wind 0 to 5 mph.
Local Weather Overview
This forecast page for Duncanville, TX is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 2, 2026 6:06 PM CDT.
The active forecast window currently covers Aug 3 to Aug 8, 2026 for Duncanville, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 3 to Aug 8, 2026
- Latest sync
- Aug 2, 2026 6:06 PM CDT
- Forecast office
- FWD
- Source
- NOAA / NWS
Daily Outlook
This Week in Duncanville
Tuesday looks like the warmest upcoming period in Duncanville at 100 degrees F.
Monday Night is the coolest period ahead with temperatures near 75 degrees F.
The strongest winds are forecast for Monday Night at about 5 to 10 mph SSE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 2, 2026 6:06 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- FWD
- Radar station
- KFWS
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear. Low around 75, with temperatures rising to around 77 overnight. Heat index values as high as 97. South southeast wind 5 to 10 mph.
Sunny, with a high near 100. South wind 5 to 10 mph.
Clear. Low around 77, with temperatures rising to around 79 overnight. South wind 5 to 10 mph.
Sunny, with a high near 99. South southwest wind around 10 mph.
Clear, with a low around 77. South wind 5 to 10 mph.
Sunny, with a high near 99. South wind 5 to 10 mph.
Mostly clear, with a low around 77.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 98. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. Chance of precipitation is 20%.
Sunny, with a high near 98.
Mostly clear, with a low around 76.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 3
|
Sunny
|
99°F |
0 to 5 mph
SE
|
|
Monday Night
Aug 3
|
Clear
|
75°F |
5 to 10 mph
SSE
|
|
Tuesday
Aug 4
|
Sunny
|
100°F |
5 to 10 mph
S
|
|
Tuesday Night
Aug 4
|
Clear
|
77°F |
5 to 10 mph
S
|
|
Wednesday
Aug 5
|
Sunny
|
99°F |
10 mph
SSW
|
|
Wednesday Night
Aug 5
|
Clear
|
77°F |
5 to 10 mph
S
|
|
Thursday
Aug 6
|
Sunny
|
99°F |
5 to 10 mph
S
|
|
Thursday Night
Aug 6
|
Mostly Clear
|
77°F |
5 to 10 mph
S
|
|
Friday
Aug 7
|
Sunny then Slight Chance Showers And Thunderstorms
|
98°F |
5 to 10 mph
S
|
|
Friday Night
Aug 7
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
76°F |
5 mph
SSE
|
|
Saturday
Aug 8
|
Sunny
|
98°F |
5 mph
S
|
|
Saturday Night
Aug 8
|
Mostly Clear
|
76°F |
5 to 10 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Duncanville.