Los Altos Hills, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Los Altos Hills, a town in Santa Clara County, California.
This Afternoon
81°F
Sunny
Sunny. High near 81, with temperatures falling to around 79 in the afternoon. North northwest wind around 3 mph.
7-day forecast for Los Altos Hills
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Sunny | 3 mph NNW | 0% |
| Tonight | 54°F | Partly Cloudy | 3 mph SW | 0% |
| Saturday | 85°F | Mostly Sunny | 2 mph NNE | 0% |
| Saturday Night | 55°F | Mostly Cloudy | 2 mph W | 0% |
| Sunday | 78°F | Mostly Cloudy | 2 mph W | 4% |
| Sunday Night | 55°F | Mostly Cloudy | 2 mph W | 4% |
| Monday | 80°F | Patchy Fog then Mostly Sunny | 1 to 5 mph W | 0% |
| Monday Night | 54°F | Partly Cloudy | 1 to 5 mph WSW | 0% |
| Tuesday | 84°F | Sunny | 1 to 5 mph W | 0% |
| Tuesday Night | 56°F | Mostly Clear | 0 to 5 mph WSW | 0% |
| Wednesday | 93°F | Sunny | 0 to 5 mph W | 0% |
| Wednesday Night | 61°F | Mostly Clear | 0 to 5 mph WNW | 0% |
| Thursday | 94°F | Sunny | 0 to 6 mph WNW | 0% |
| Thursday Night | 60°F | Mostly Clear | 1 to 6 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Los Altos Hills (37.367, -122.139). Updated through the day.
Growing snapshot for Los Altos Hills
Last spring frost
Mar 21
First fall frost
Dec 15
Growing season
275 days
Hardiness zone
9b
More local growing data for Los Altos Hills: nearby ZIP 94022 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Alum Rock
Burbank
Cambrian Park
Campbell
Cupertino
East Foothills
East Palo Alto
Fruitdale
Gilroy
Los Altos
Los Gatos
Loyola
Menlo Park
Milpitas
Monte Sereno
Morgan Hill
Mountain View
Palo Alto
San Jose
San Martin
Santa Clara
Saratoga
Stanford
Sunnyvale
Climate data from the nearest NOAA station, Skyline Ridge Preserve, Ca (3.6 mi from Los Altos Hills). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.