Flower Mound, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Flower Mound, a town in Denton County, Texas.
Overnight
77°F
Mostly Clear
Mostly clear. Low around 77, with temperatures rising to around 79 overnight. South wind around 5 mph.
7-day forecast for Flower Mound
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 77°F | Mostly Clear | 5 mph S | 0% |
| Saturday | 99°F | Sunny | 5 to 10 mph S | 0% |
| Saturday Night | 78°F | Mostly Clear | 10 mph S | 0% |
| Sunday | 100°F | Mostly Sunny then Chance Showers And Thunderstorms | 10 mph S | 25% |
| Sunday Night | 75°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 41% |
| Monday | 95°F | Chance Showers And Thunderstorms | 5 mph WSW | 41% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 10 mph NE | 18% |
| Tuesday | 91°F | Mostly Sunny | 10 to 15 mph NNE | 11% |
| Tuesday Night | 69°F | Partly Cloudy | 10 to 15 mph NE | 8% |
| Wednesday | 91°F | Mostly Sunny | 10 mph ENE | 8% |
| Wednesday Night | 71°F | Partly Cloudy | 5 to 10 mph E | 2% |
| Thursday | 92°F | Mostly Sunny | 5 to 10 mph E | 4% |
| Thursday Night | 71°F | Partly Cloudy | 5 to 10 mph E | 2% |
| Friday | 92°F | Mostly Sunny | 5 to 10 mph ESE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Flower Mound (33.038, -97.113). Updated through the day.
Growing snapshot for Flower Mound
Last spring frost
Mar 14
First fall frost
Nov 17
Growing season
249 days
Hardiness zone
8b
More local growing data for Flower Mound: nearby ZIP 75022 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Grapevine Dam, Tx (6.3 mi from Flower Mound). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.