Flower Mound, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Flower Mound, a town in Denton County, Texas.
Today
100°F
Sunny
Sunny, with a high near 100. Heat index values as high as 101. South wind 0 to 10 mph.
7-day forecast for Flower Mound
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 100°F | Sunny | 0 to 10 mph S | 0% |
| Tonight | 80°F | Mostly Clear | 10 mph SSE | 0% |
| Wednesday | 101°F | Sunny | 5 to 10 mph SSW | 0% |
| Wednesday Night | 80°F | Mostly Clear | 10 mph S | 0% |
| Thursday | 101°F | Sunny | 10 mph S | 0% |
| Thursday Night | 80°F | Mostly Clear | 10 mph SSE | 1% |
| Friday | 100°F | Sunny | 10 mph S | 8% |
| Friday Night | 79°F | Mostly Clear | 10 mph SSE | 8% |
| Saturday | 99°F | Sunny | 5 to 10 mph S | 6% |
| Saturday Night | 79°F | Mostly Clear | 10 mph SSE | 6% |
| Sunday | 99°F | Sunny | 10 mph S | 4% |
| Sunday Night | 79°F | Mostly Clear | 10 to 15 mph SSE | 3% |
| Monday | 99°F | Sunny | 10 to 15 mph S | 3% |
| Monday Night | 79°F | Mostly Clear | 15 mph S | 4% |
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 Aug 4, 2026.