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.

Today

84°F

Patchy Fog then Sunny

Patchy fog between 7am and 9am. Sunny. High near 84, with temperatures falling to around 81 in the afternoon. Northeast wind around 2 mph.

7-day forecast for Los Altos Hills

When	Temp	Forecast	Wind	Precip
Today	84°F	Patchy Fog then Sunny	2 mph NE	0%
Tonight	54°F	Mostly Cloudy	2 mph SW	0%
Sunday	77°F	Mostly Cloudy	2 mph W	2%
Sunday Night	54°F	Mostly Cloudy	2 mph W	2%
Monday	80°F	Patchy Fog then Mostly Sunny	2 mph WSW	1%
Monday Night	54°F	Partly Cloudy	1 mph WSW	1%
Tuesday	82°F	Sunny	1 to 5 mph W	0%
Tuesday Night	55°F	Mostly Clear	0 to 5 mph WSW	0%
Wednesday	91°F	Sunny	0 to 5 mph WSW	0%
Wednesday Night	60°F	Mostly Clear	0 to 5 mph NW	0%
Thursday	92°F	Sunny	0 to 6 mph WNW	0%
Thursday Night	59°F	Mostly Clear	1 to 6 mph W	0%
Friday	86°F	Mostly Sunny	1 to 6 mph WSW	0%
Friday Night	56°F	Partly Cloudy	1 to 6 mph WSW	1%

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

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

All California locations ›

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.