Flower Mound, TX Weather & Growing Conditions
Tonight
50°F
Mostly Clear
Mostly clear, with a low around 50. Northwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Mostly Clear | 5 to 10 mph NW | 0% |
| Wednesday | 72°F | Mostly Sunny | 5 mph NW | 0% |
| Wednesday Night | 51°F | Partly Cloudy | 5 mph SE | 0% |
| Thursday | 77°F | Sunny | 5 to 10 mph SSW | 12% |
| Thursday Night | 50°F | Mostly Clear | 10 to 15 mph NNW | 13% |
| Friday | 70°F | Sunny | 10 mph N | 0% |
| Friday Night | 46°F | Partly Cloudy | 5 to 10 mph N | 0% |
| Saturday | 67°F | Mostly Sunny | 5 mph N | 1% |
| Saturday Night | 46°F | Partly Cloudy | 5 mph N | 5% |
| Sunday | 70°F | Sunny | 5 mph NNW | 2% |
| Sunday Night | 45°F | Clear | 0 to 5 mph S | 1% |
| Monday | 72°F | Sunny | 0 to 5 mph SSW | 1% |
| Monday Night | 48°F | Mostly Clear | 5 mph S | 1% |
| Tuesday | 75°F | Sunny | 5 to 10 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Flower Mound, TX
Last spring frost
Mar 14
First fall frost
Nov 17
Growing season
249 days
Hardiness zone
8b
Explore more for Flower Mound, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Grapevine Dam, Tx (6.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.