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Los Altos, TX Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Los Altos, a community in Webb County, Texas.

Tonight
60°F
Clear
Clear, with a low around 60. North wind around 6 mph.

7-day forecast for Los Altos

WhenTempForecastWindPrecip
Tonight 60°F Clear 6 mph N 0%
Wednesday 82°F Sunny 5 mph ENE 0%
Wednesday Night 63°F Mostly Clear 3 to 7 mph SE 2%
Thursday 83°F Partly Sunny 3 mph ENE 3%
Thursday Night 66°F Slight Chance Showers And Thunderstorms 3 to 12 mph N 21%
Friday 79°F Mostly Sunny 5 to 15 mph N 3%
Friday Night 59°F Partly Cloudy 3 to 9 mph NNE 8%
Saturday 74°F Chance Rain Showers 9 mph NNE 31%
Saturday Night 57°F Slight Chance Rain Showers 8 to 14 mph NNE 20%
Sunday 73°F Slight Chance Rain Showers then Mostly Sunny 5 to 14 mph N 16%
Sunday Night 54°F Partly Cloudy 0 to 3 mph N 4%
Monday 76°F Mostly Sunny 2 mph NE 3%
Monday Night 55°F Partly Cloudy 2 mph E 3%
Tuesday 79°F Mostly Sunny 3 mph ESE 3%

Forecast source: National Weather Service (api.weather.gov) for Los Altos (27.490, -99.386). Updated through the day.

Growing snapshot for Los Altos

Last spring frost
Jan 20
First fall frost
Dec 25
Growing season
344 days
Hardiness zone
9b

More local growing data for Los Altos: nearby ZIP 78041 weather · frost dates · planting calendar · Texas frost dates

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Climate data from the nearest NOAA station, Laredo Afb, Tx (1.8 mi from Los Altos). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.