Southlake, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Southlake, a city in Tarrant County, Texas.
Overnight
51°F
Mostly Clear
Mostly clear, with a low around 51. Northwest wind around 5 mph.
7-day forecast for Southlake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Clear | 5 mph NW | 0% |
| Wednesday | 72°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Wednesday Night | 53°F | Mostly Clear | 5 mph SSE | 0% |
| Thursday | 76°F | Sunny | 5 to 10 mph SSW | 0% |
| Thursday Night | 51°F | Mostly Cloudy | 5 to 15 mph NNW | 9% |
| Friday | 69°F | Sunny | 10 to 15 mph N | 2% |
| Friday Night | 47°F | Partly Cloudy | 5 to 10 mph NNE | 0% |
| Saturday | 66°F | Partly Sunny | 5 to 10 mph NNE | 2% |
| Saturday Night | 46°F | Slight Chance Rain Showers | 5 mph N | 15% |
| Sunday | 67°F | Mostly Sunny | 5 mph N | 2% |
| Sunday Night | 45°F | Mostly Clear | 0 to 5 mph NNW | 1% |
| Monday | 70°F | Sunny | 0 to 5 mph SSW | 2% |
| Monday Night | 47°F | Mostly Clear | 0 to 5 mph S | 2% |
| Tuesday | 73°F | Sunny | 0 to 5 mph S | 2% |
Forecast source: National Weather Service (api.weather.gov) for Southlake (32.954, -97.149). Updated through the day.
Growing snapshot for Southlake
Last spring frost
Mar 14
First fall frost
Nov 17
Growing season
249 days
Hardiness zone
8b
More local growing data for Southlake: nearby ZIP 76092 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Grapevine Dam, Tx (5.4 mi from Southlake). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.