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.
Overnight
56°F
Partly Cloudy
Partly cloudy, with a low around 56. South southwest wind around 1 mph.
7-day forecast for Los Altos Hills
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Partly Cloudy | 1 mph SSW | 0% |
| Tuesday | 96°F | Haze then Sunny | 2 mph NE | 0% |
| Tuesday Night | 56°F | Mostly Clear | 1 mph ESE | 0% |
| Wednesday | 92°F | Mostly Sunny | 2 mph WNW | 0% |
| Wednesday Night | 57°F | Mostly Clear | 1 mph WNW | 0% |
| Thursday | 90°F | Sunny | 2 mph NW | 0% |
| Thursday Night | 58°F | Mostly Clear | 1 mph NW | 0% |
| Friday | 94°F | Sunny | 1 to 6 mph NW | 0% |
| Friday Night | 60°F | Mostly Clear | 1 to 6 mph W | 0% |
| Saturday | 94°F | Sunny | 1 to 6 mph WNW | 0% |
| Saturday Night | 61°F | Mostly Clear | 2 to 6 mph W | 0% |
| Sunday | 89°F | Sunny | 2 to 7 mph W | 0% |
| Sunday Night | 57°F | Mostly Clear | 3 to 7 mph W | 0% |
| Monday | 85°F | Sunny | 3 to 7 mph WSW | 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 Aug 4, 2026.