Lago Vista, TX Weather & Growing Conditions
Overnight
74°F
Partly Cloudy
Partly cloudy, with a low around 74. South wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 74°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Saturday | 99°F | Sunny | 0 to 5 mph SSE | 0% |
| Saturday Night | 74°F | Partly Cloudy | 5 mph SSE | 0% |
| Sunday | 100°F | Mostly Sunny | 0 to 5 mph S | 0% |
| Sunday Night | 75°F | Partly Cloudy | 0 to 5 mph SSE | 11% |
| Monday | 99°F | Sunny | 0 to 5 mph SE | 14% |
| Monday Night | 75°F | Mostly Clear | 0 to 5 mph SSE | 14% |
| Tuesday | 97°F | Sunny | 0 to 5 mph NNE | 14% |
| Tuesday Night | 74°F | Partly Cloudy | 0 to 5 mph E | 14% |
| Wednesday | 97°F | Mostly Sunny | 0 to 5 mph ENE | 12% |
| Wednesday Night | 74°F | Partly Cloudy | 0 to 5 mph ESE | 2% |
| Thursday | 97°F | Mostly Sunny | 0 to 5 mph ENE | 2% |
| Thursday Night | 72°F | Partly Cloudy | 0 to 5 mph ESE | 4% |
| Friday | 96°F | Mostly Sunny | 0 to 5 mph ENE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lago Vista, TX
Last spring frost
Mar 11
First fall frost
Nov 20
Growing season
254 days
Hardiness zone
9a
Explore more for Lago Vista, TX: full frost dates · planting calendar · Texas frost dates
Climate data from the nearest NOAA station, Austin Great Hills, Tx (12.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.