Los Altos, TX Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Los Altos, a community in Webb County, Texas.
This Afternoon
84°F
Sunny
Sunny, with a high near 84. Heat index values as high as 82. North wind 9 to 13 mph, with gusts as high as 18 mph.
7-day forecast for Los Altos
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Sunny | 9 to 13 mph N | 0% |
| Tonight | 60°F | Mostly Clear | 3 to 8 mph N | 0% |
| Wednesday | 82°F | Sunny | 5 mph ENE | 0% |
| Wednesday Night | 63°F | Mostly Clear | 3 to 7 mph ESE | 2% |
| Thursday | 83°F | Partly Sunny | 0 to 3 mph SE | 3% |
| Thursday Night | 66°F | Slight Chance Showers And Thunderstorms | 3 to 13 mph N | 21% |
| Friday | 79°F | Mostly Sunny | 5 to 14 mph N | 3% |
| Friday Night | 59°F | Partly Cloudy | 3 to 7 mph NNE | 8% |
| Saturday | 74°F | Chance Rain Showers | 9 mph NNE | 31% |
| Saturday Night | 57°F | Slight Chance Rain Showers | 5 to 8 mph NNE | 20% |
| Sunday | 73°F | Slight Chance Rain Showers then Mostly Sunny | 3 to 8 mph N | 16% |
| Sunday Night | 54°F | Partly Cloudy | 2 mph NNE | 4% |
| Monday | 76°F | Mostly Sunny | 2 mph ENE | 3% |
| Monday Night | 55°F | Partly Cloudy | 0 to 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
Nearby towns & communities
Aguilares
Bonanza Hills
Botines
Bruni
Colorado Acres
El Cenizo
Encinal
Four Points
Hillside Acres
La Coma
La Moca Ranch
La Presa
Laredo
Laredo Ranchettes
Laredo Ranchettes West
Las Haciendas
Las Pilas
Los Arcos
Los Centenarios
Los Corralitos
Los Fresnos
Los Huisaches
Los Minerales
Los Nopalitos
Los Veteranos I
Los Veteranos II
Mirando City
Oilton
Pueblo East
Pueblo Nuevo
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.