Lake Dallas, TX Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lake Dallas, TX in one place.
Mostly sunny, with a high near 97. Heat index values as high as 105. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Lake Dallas, 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: Jul 17, 2026 6:19 AM CDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Lake Dallas, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 6:19 AM CDT
- Forecast office
- FWD
- Source
- NOAA / NWS
Daily Outlook
This Week in Lake Dallas
Wednesday looks like the warmest upcoming period in Lake Dallas at 104 degrees F.
Saturday Night is the coolest period ahead with temperatures near 78 degrees F.
The strongest winds are forecast for Saturday at about 5 to 10 mph SSW.
The forecast from Jul 18 through Jul 23 stays mostly dry.
Forecast Details
- Last updated
- Jul 17, 2026 6:19 AM 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
Mostly clear. Low around 78, with temperatures rising to around 80 overnight. South wind 5 to 10 mph.
Sunny, with a high near 98. South southwest wind 5 to 10 mph.
Clear, with a low around 79. South wind 5 to 10 mph.
Sunny, with a high near 101. South southwest wind 5 to 10 mph.
Clear, with a low around 80. South southwest wind 5 to 10 mph.
Sunny, with a high near 103.
Clear, with a low around 82.
Sunny, with a high near 104.
Mostly clear, with a low around 82.
Sunny, with a high near 102.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Mostly Sunny
|
97°F |
5 to 10 mph
SSW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
78°F |
5 to 10 mph
S
|
|
Sunday
Jul 19
|
Sunny
|
98°F |
5 to 10 mph
SSW
|
|
Sunday Night
Jul 19
|
Clear
|
79°F |
5 to 10 mph
S
|
|
Monday
Jul 20
|
Sunny
|
101°F |
5 to 10 mph
SSW
|
|
Monday Night
Jul 20
|
Clear
|
80°F |
5 to 10 mph
SSW
|
|
Tuesday
Jul 21
|
Sunny
|
103°F |
5 mph
SW
|
|
Tuesday Night
Jul 21
|
Clear
|
82°F |
5 mph
SSW
|
|
Wednesday
Jul 22
|
Sunny
|
104°F |
5 mph
SW
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
82°F |
5 to 10 mph
SSE
|
|
Thursday
Jul 23
|
Sunny
|
102°F |
5 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lake Dallas.