Flower Mound, TX Weather & Growing Conditions
Tonight
77°F
Mostly Clear
Mostly clear. Low around 77, with temperatures rising to around 79 overnight. South wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 77°F | Mostly Clear | 10 mph S | 0% |
| Saturday | 100°F | Sunny | 5 to 10 mph S | 0% |
| Saturday Night | 78°F | Mostly Clear | 10 mph S | 0% |
| Sunday | 100°F | Mostly Sunny | 10 mph S | 12% |
| Sunday Night | 75°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 51% |
| Monday | 95°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph WSW | 51% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph NE | 18% |
| Tuesday | 93°F | Mostly Sunny | 10 mph NE | 14% |
| Tuesday Night | 72°F | Partly Cloudy | 10 mph NE | 6% |
| Wednesday | 93°F | Mostly Sunny | 10 mph ENE | 6% |
| Wednesday Night | 73°F | Partly Cloudy | 5 to 10 mph ENE | 3% |
| Thursday | 94°F | Mostly Sunny | 5 to 10 mph E | 6% |
| Thursday Night | 73°F | Partly Cloudy | 5 to 10 mph ENE | 5% |
| Friday | 94°F | Mostly Sunny | 5 to 10 mph E | 5% |
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 Sep 19, 2026.