Los Altos Hills, CA Weather & Growing Conditions
Overnight
48°F
Patchy Fog
Patchy fog. Partly cloudy. Low around 48, with temperatures rising to around 50 overnight. North wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Patchy Fog | 2 mph N | 0% |
| Wednesday | 67°F | Patchy Fog then Sunny | 2 to 9 mph N | 2% |
| Wednesday Night | 49°F | Mostly Cloudy | 1 to 8 mph W | 2% |
| Thursday | 71°F | Patchy Fog then Mostly Sunny | 1 to 5 mph NNW | 0% |
| Thursday Night | 48°F | Clear | 2 mph NNW | 0% |
| Friday | 74°F | Sunny | 0 to 3 mph N | 0% |
| Friday Night | 50°F | Mostly Clear | 2 mph NNW | 0% |
| Saturday | 77°F | Sunny | 2 mph N | 0% |
| Saturday Night | 50°F | Mostly Clear | 1 mph NNW | 0% |
| Sunday | 73°F | Sunny | 3 mph N | 0% |
| Sunday Night | 51°F | Partly Cloudy | 2 mph NW | 0% |
| Monday | 70°F | Mostly Sunny | 0 to 5 mph NNW | 2% |
| Monday Night | 50°F | Partly Cloudy | 0 to 3 mph WNW | 2% |
| Tuesday | 70°F | Sunny | 0 to 3 mph NNW | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Los Altos Hills, CA
Last spring frost
Mar 21
First fall frost
Dec 15
Growing season
275 days
Hardiness zone
9b
Explore more for Los Altos Hills, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Skyline Ridge Preserve, Ca (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.