Lewisville, TX Weather & Growing Conditions
Tonight
53°F
Mostly Clear
Mostly clear, with a low around 53. Northwest wind 5 to 10 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Mostly Clear | 5 to 10 mph NW | 0% |
| Wednesday | 72°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 53°F | Partly Cloudy | 5 mph SE | 0% |
| Thursday | 76°F | Mostly Sunny | 5 to 10 mph SSW | 12% |
| Thursday Night | 52°F | Mostly Clear | 10 mph NNW | 13% |
| Friday | 70°F | Sunny | 10 mph N | 0% |
| Friday Night | 49°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 67°F | Mostly Sunny | 5 mph N | 1% |
| Saturday Night | 48°F | Partly Cloudy | 0 to 5 mph N | 5% |
| Sunday | 69°F | Sunny | 0 to 5 mph NNW | 2% |
| Sunday Night | 47°F | Clear | 0 to 5 mph SSE | 1% |
| Monday | 72°F | Sunny | 0 to 5 mph SSW | 1% |
| Monday Night | 50°F | Mostly Clear | 0 to 5 mph SSE | 1% |
| Tuesday | 74°F | Sunny | 5 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lewisville, TX
Last spring frost
Mar 14
First fall frost
Nov 17
Growing season
249 days
Hardiness zone
8b
Explore more for Lewisville, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Grapevine Dam, Tx (8.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.