Lago Vista, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lago Vista, a city in Travis County, Texas.
Today
74°F
Sunny
Sunny, with a high near 74. North wind around 0 mph.
7-day forecast for Lago Vista
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Sunny | 0 mph | 0% |
| Tonight | 52°F | Clear | 0 mph | 0% |
| Thursday | 80°F | Sunny | 0 to 5 mph S | 0% |
| Thursday Night | 55°F | Partly Cloudy | 0 to 10 mph WNW | 1% |
| Friday | 71°F | Sunny | 5 to 10 mph N | 0% |
| Friday Night | 50°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 67°F | Partly Sunny | 5 mph N | 12% |
| Saturday Night | 48°F | Slight Chance Rain Showers | 0 to 5 mph N | 24% |
| Sunday | 66°F | Partly Sunny | 5 mph N | 11% |
| Sunday Night | 46°F | Mostly Clear | 0 mph | 5% |
| Monday | 69°F | Sunny | 0 mph | 4% |
| Monday Night | 47°F | Mostly Clear | 0 mph | 3% |
| Tuesday | 71°F | Mostly Sunny | 0 to 5 mph SSW | 4% |
| Tuesday Night | 50°F | Partly Cloudy | 0 to 5 mph S | 4% |
Forecast source: National Weather Service (api.weather.gov) for Lago Vista (30.453, -97.991). Updated through the day.
Growing snapshot for Lago Vista
Last spring frost
Mar 11
First fall frost
Nov 20
Growing season
254 days
Hardiness zone
9a
More local growing data for Lago Vista: nearby ZIP 78645 weather · frost dates · planting calendar · Texas frost dates
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Climate data from the nearest NOAA station, Austin Great Hills, Tx (12.5 mi from Lago Vista). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.