Lewisville, TX Weather Forecast
Right now it is 70°F and mostly cloudy in Lewisville (as of Fri, 12:10 PM CST). This Afternoon: high near 70°F. Tomorrow: partly sunny, high near 68°F. Official NWS forecast and alerts, refreshed every 30 minutes.
Current conditions

Measured at Dallas/Fort Worth International Airport (10 mi from the city center).
Weather tomorrow in Lewisville
Partly sunny, with a high near 68. North northeast wind 5 to 10 mph.
Mostly cloudy, with a low around 52. North northeast wind 0 to 5 mph.
Weather alerts
No active National Weather Service watches, warnings or advisories for Lewisville right now.
7-day forecast
Mostly sunny. High near 70, with temperatures falling to around 68 in the afternoon. North northeast wind around 10 mph, with gusts as high as 25 mph. Tonight: Mostly cloudy, with a low around 52. North northeast wind 5 to 10 mph.
Partly sunny, with a high near 68. North northeast wind 5 to 10 mph. Saturday Night: Mostly cloudy, with a low around 52. North northeast wind 0 to 5 mph.
Mostly sunny. High near 69, with temperatures falling to around 66 in the afternoon. North northeast wind 0 to 5 mph. Sunday Night: Partly cloudy, with a low around 53. Wind around 0 mph.
Mostly sunny, with a high near 72. South southwest wind 0 to 5 mph. Monday Night: Partly cloudy, with a low around 53. South wind 0 to 5 mph.
Sunny, with a high near 75. South wind 0 to 5 mph. Tuesday Night: Mostly clear, with a low around 56.
A slight chance of rain showers. Mostly sunny, with a high near 78. Chance of precipitation is 20%. Wednesday Night: A slight chance of rain showers. Partly cloudy, with a low around 56. Chance of precipitation is 20%.
Sunny, with a high near 75. Thursday Night: Mostly clear, with a low around 53.
Forecast issued by NWS forecast office FWD · updated Nov 6, 12:16 PM CST. Daytime highs and overnight lows are on the right.
Hourly forecast, radar & more on weather.gov
Nearby cities
Lewisville population: 139,006 (U.S. Census Bureau, July 1, 2025 estimate). More Texas cities · All US cities
Source: National Weather Service / NOAA (public domain), fetched live. Tachlis is not affiliated with the NWS.
Questions & answers
What is the weather tomorrow in Lewisville?
Saturday, November 7: Partly Sunny, high near 68°F; night: mostly cloudy, low around 52°F.
Where does the Lewisville forecast come from?
From the National Weather Service forecast office FWD, which writes the official forecast for Lewisville's 2.5 km grid square. Current conditions come from the nearest NWS/FAA weather station.
How often is the Lewisville weather updated?
This page fetches fresh data from the National Weather Service at most every 30 minutes, and checks for new watches and warnings every 5 minutes.
What time zone are the times shown in?
Local time for Lewisville (America/Chicago).
Why can the current temperature differ from the forecast?
The current reading is a real measurement at a weather station, often at an airport, while the forecast describes the whole grid square around the city. Temperatures can differ by a few degrees across a city.