Lago Vista, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Lago Vista, a city in Travis County, Texas.

Tonight

74°F

Partly Cloudy

Partly cloudy, with a low around 74. South southeast wind around 5 mph.

7-day forecast for Lago Vista

When	Temp	Forecast	Wind	Precip
Tonight	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	7%
Monday	100°F	Mostly Sunny	0 to 5 mph SSE	11%
Monday Night	75°F	Slight Chance Showers And Thunderstorms	0 to 5 mph SSE	17%
Tuesday	99°F	Sunny	0 to 5 mph NNE	11%
Tuesday Night	75°F	Partly Cloudy	0 to 5 mph ENE	11%
Wednesday	99°F	Mostly Sunny	0 to 5 mph NE	6%
Wednesday Night	74°F	Partly Cloudy	0 to 5 mph E	3%
Thursday	98°F	Mostly Sunny	0 to 10 mph ENE	3%
Thursday Night	73°F	Partly Cloudy	0 to 5 mph ESE	2%
Friday	98°F	Mostly Sunny	0 to 5 mph E	0%
Friday Night	73°F	Partly Cloudy	0 to 5 mph SE	1%
Saturday	98°F	Mostly Sunny	0 to 5 mph ENE	1%

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

More local growing data for Lago Vista: nearby ZIP 78645 weather · frost dates · planting calendar · Texas frost dates

Nearby towns & communities

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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 Sep 20, 2026.