Sonterra, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sonterra, a community in Williamson County, Texas.
This Afternoon
77°F
Sunny
Sunny. High near 77, with temperatures falling to around 71 in the afternoon. North northwest wind around 10 mph, with gusts as high as 20 mph.
7-day forecast for Sonterra
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Sunny | 10 mph NNW | 0% |
| Tonight | 50°F | Mostly Clear | 5 mph NNW | 0% |
| Wednesday | 72°F | Sunny | 0 to 5 mph NNW | 0% |
| Wednesday Night | 50°F | Clear | 5 mph SE | 0% |
| Thursday | 78°F | Sunny | 5 to 10 mph SSW | 4% |
| Thursday Night | 51°F | Mostly Clear | 5 to 15 mph WNW | 13% |
| Friday | 70°F | Sunny | 5 to 15 mph N | 0% |
| Friday Night | 48°F | Partly Cloudy | 5 to 10 mph N | 1% |
| Saturday | 67°F | Partly Sunny | 5 to 10 mph N | 12% |
| Saturday Night | 46°F | Partly Cloudy | 5 mph N | 9% |
| Sunday | 69°F | Mostly Sunny | 5 to 10 mph N | 5% |
| Sunday Night | 44°F | Clear | 0 to 5 mph NNW | 7% |
| Monday | 70°F | Sunny | 5 mph WSW | 4% |
| Monday Night | 46°F | Mostly Clear | 5 mph S | 3% |
Forecast source: National Weather Service (api.weather.gov) for Sonterra (30.807, -97.597). Updated through the day.
Growing snapshot for Sonterra
Last spring frost
Mar 6
First fall frost
Nov 24
Growing season
259 days
Hardiness zone
8b
More local growing data for Sonterra: nearby ZIP 76537 weather · frost dates · planting calendar · Texas frost dates
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Round Rock
Santa Rita Ranch
Serenada
Taylor
Thrall
Weir
Climate data from the nearest NOAA station, Georgetown Lake, Tx (12 mi from Sonterra). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.