Lewisville, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lewisville, a city in Denton County, Texas.
This Afternoon
72°F
Sunny
Sunny. High near 72, with temperatures falling to around 70 in the afternoon. West wind around 0 mph.
7-day forecast for Lewisville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Sunny | 0 mph | 0% |
| Tonight | 53°F | Mostly Clear | 5 mph SE | 0% |
| Thursday | 77°F | Sunny | 5 to 10 mph S | 1% |
| Thursday Night | 53°F | Partly Cloudy then Slight Chance Rain Showers | 5 to 15 mph N | 18% |
| Friday | 68°F | Mostly Sunny | 10 to 15 mph N | 0% |
| Friday Night | 49°F | Mostly Cloudy | 5 to 10 mph NNE | 0% |
| Saturday | 66°F | Partly Sunny | 5 mph NNE | 3% |
| Saturday Night | 48°F | Mostly Cloudy | 5 mph NNE | 4% |
| Sunday | 65°F | Partly Sunny | 5 mph N | 2% |
| Sunday Night | 47°F | Partly Cloudy | 0 mph | 3% |
| Monday | 67°F | Sunny | 0 mph | 10% |
| Monday Night | 49°F | Mostly Clear | 0 mph | 5% |
| Tuesday | 72°F | Sunny | 0 to 5 mph S | 3% |
| Tuesday Night | 51°F | Mostly Clear | 0 to 5 mph SSE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Lewisville (33.051, -96.975). Updated through the day.
Growing snapshot for Lewisville
Last spring frost
Mar 14
First fall frost
Nov 17
Growing season
249 days
Hardiness zone
8b
More local growing data for Lewisville: nearby ZIP 75057 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Grapevine Dam, Tx (8.4 mi from Lewisville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.