Sunset Valley, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sunset Valley, a city in Travis County, Texas.
Today
100°F
Sunny
Sunny, with a high near 100. Heat index values as high as 105. South wind 5 to 10 mph.
7-day forecast for Sunset Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 100°F | Sunny | 5 to 10 mph S | 3% |
| Tonight | 77°F | Mostly Clear | 5 to 10 mph S | 3% |
| Wednesday | 99°F | Sunny | 5 to 10 mph S | 2% |
| Wednesday Night | 76°F | Mostly Clear | 5 to 10 mph S | 1% |
| Thursday | 99°F | Sunny | 5 mph S | 3% |
| Thursday Night | 76°F | Partly Cloudy | 5 mph SSE | 3% |
| Friday | 98°F | Mostly Sunny | 5 mph S | 7% |
| Friday Night | 77°F | Mostly Clear | 5 mph SSE | 7% |
| Saturday | 97°F | Mostly Sunny | 0 to 5 mph SSE | 4% |
| Saturday Night | 77°F | Mostly Clear | 5 mph SSE | 4% |
| Sunday | 96°F | Sunny | 0 to 5 mph S | 5% |
| Sunday Night | 76°F | Mostly Clear | 5 mph SSE | 5% |
| Monday | 97°F | Mostly Sunny | 5 to 10 mph S | 4% |
| Monday Night | 76°F | Mostly Clear | 5 to 10 mph S | 4% |
Forecast source: National Weather Service (api.weather.gov) for Sunset Valley (30.226, -97.816). Updated through the day.
Growing snapshot for Sunset Valley
Last spring frost
Mar 10
First fall frost
Nov 17
Growing season
252 days
Hardiness zone
9a
More local growing data for Sunset Valley: nearby ZIP 78745 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Austin 6S, Tx (4.1 mi from Sunset Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.