Lewisville, TX Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lewisville, TX in one place.
Partly sunny, with a high near 92. Heat index values as high as 101. South wind 10 to 15 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Lewisville, 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: Oct 13, 2026 10:27 PM CDT.
The active forecast window currently covers Oct 14 to Oct 20, 2026 for Lewisville, TX.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 14 to Oct 20, 2026
- Latest sync
- Oct 13, 2026 10:27 PM CDT
- Forecast office
- FWD
- Source
- NOAA / NWS
Daily Outlook
This Week in Lewisville
Wednesday looks like the warmest upcoming period in Lewisville at 92 degrees F.
Friday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Thursday Night at about 5 to 20 mph NE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 10:27 PM CDT
- Coverage
- 7 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 73, with temperatures rising to around 75 overnight. Heat index values as high as 98. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers after 1pm. Partly sunny. High near 88, with temperatures falling to around 86 in the afternoon. South wind around 10 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 62. Northeast wind 5 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Partly sunny. High near 69, with temperatures falling to around 67 in the afternoon. North wind around 20 mph, with gusts as high as 40 mph.
Partly cloudy, with a low around 51. North northeast wind 10 to 20 mph, with gusts as high as 40 mph.
Mostly sunny, with a high near 70. North northeast wind 5 to 10 mph.
Mostly clear, with a low around 53. Northeast wind 0 to 10 mph.
Sunny, with a high near 77.
Partly cloudy, with a low around 58.
Mostly sunny, with a high near 81.
Partly cloudy, with a low around 63.
A slight chance of rain showers after 7am. Partly sunny, with a high near 85. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Oct 14
|
Partly Sunny
|
92°F |
10 to 15 mph
S
|
|
Wednesday Night
Oct 14
|
Mostly Clear
|
73°F |
10 to 15 mph
SSE
|
|
Thursday
Oct 15
|
Partly Sunny then Slight Chance Rain Showers
|
88°F |
10 mph
S
|
|
Thursday Night
Oct 15
|
Slight Chance Showers And Thunderstorms
|
62°F |
5 to 20 mph
NE
|
|
Friday
Oct 16
|
Partly Sunny
|
69°F |
20 mph
N
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
51°F |
10 to 20 mph
NNE
|
|
Saturday
Oct 17
|
Mostly Sunny
|
70°F |
5 to 10 mph
NNE
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
53°F |
0 to 10 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
77°F |
0 to 5 mph
SE
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
58°F |
0 to 5 mph
SE
|
|
Monday
Oct 19
|
Mostly Sunny
|
81°F |
0 to 5 mph
SSE
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
63°F |
5 mph
SE
|
|
Tuesday
Oct 20
|
Slight Chance Rain Showers
|
85°F |
5 to 10 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lewisville.
