Sunset Valley, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sunset Valley, a city in Travis County, Texas.
Tonight
74°F
Mostly Clear
Mostly clear, with a low around 74. South wind 0 to 5 mph.
7-day forecast for Sunset Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Mostly Clear | 0 to 5 mph S | 0% |
| Saturday | 99°F | Sunny | 0 to 5 mph SSE | 0% |
| Saturday Night | 74°F | Mostly Clear | 5 mph SSE | 0% |
| Sunday | 99°F | Mostly Sunny | 5 mph S | 0% |
| Sunday Night | 75°F | Partly Cloudy | 5 to 10 mph SSE | 12% |
| Monday | 99°F | Mostly Sunny | 0 to 5 mph SSE | 13% |
| Monday Night | 76°F | Mostly Clear | 0 to 5 mph SSE | 13% |
| Tuesday | 99°F | Sunny | 0 to 5 mph NE | 11% |
| Tuesday Night | 76°F | Partly Cloudy | 0 to 5 mph E | 11% |
| Wednesday | 99°F | Mostly Sunny | 0 to 5 mph NE | 8% |
| Wednesday Night | 76°F | Partly Cloudy | 0 to 5 mph E | 10% |
| Thursday | 98°F | Mostly Sunny | 0 to 10 mph NE | 10% |
| Thursday Night | 75°F | Partly Cloudy | 0 to 10 mph E | 5% |
| Friday | 97°F | Mostly Sunny | 0 to 5 mph ENE | 3% |
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
Nearby towns & communities
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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 Sep 19, 2026.