Justin, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Justin, a city in Denton County, Texas.
Today
101°F
Sunny
Sunny, with a high near 101. Heat index values as high as 102. South wind around 10 mph.
7-day forecast for Justin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 101°F | Sunny | 10 mph S | 0% |
| Tonight | 77°F | Mostly Clear | 5 to 10 mph S | 0% |
| Wednesday | 101°F | Sunny | 5 to 10 mph SSW | 0% |
| Wednesday Night | 78°F | Mostly Clear | 10 mph S | 0% |
| Thursday | 100°F | Sunny | 10 mph S | 1% |
| Thursday Night | 78°F | Mostly Clear | 5 to 10 mph SSE | 1% |
| Friday | 101°F | Sunny | 5 to 10 mph S | 8% |
| Friday Night | 77°F | Mostly Clear | 5 to 10 mph SSE | 8% |
| Saturday | 98°F | Sunny | 5 to 10 mph S | 7% |
| Saturday Night | 77°F | Mostly Clear | 5 to 10 mph SSE | 7% |
| Sunday | 98°F | Sunny | 5 to 10 mph S | 3% |
| Sunday Night | 77°F | Mostly Clear | 10 mph SSE | 2% |
| Monday | 98°F | Sunny | 10 to 15 mph S | 3% |
| Monday Night | 77°F | Mostly Clear | 10 to 15 mph S | 4% |
Forecast source: National Weather Service (api.weather.gov) for Justin (33.082, -97.314). Updated through the day.
Growing snapshot for Justin
Last spring frost
Mar 12
First fall frost
Nov 17
Growing season
249 days
Hardiness zone
8b
More local growing data for Justin: nearby ZIP 76247 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Ft Worth Alliance Ap, Tx (8.4 mi from Justin). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.