Los Altos Hills, CA Weather & Growing Conditions
Overnight
49°F
Mostly Cloudy
Mostly cloudy, with a low around 49. North wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Mostly Cloudy | 2 mph N | 0% |
| Wednesday | 67°F | Sunny | 2 to 10 mph N | 2% |
| Wednesday Night | 50°F | Mostly Cloudy | 2 to 9 mph WSW | 2% |
| Thursday | 71°F | Patchy Fog then Mostly Sunny | 2 to 6 mph NNW | 0% |
| Thursday Night | 48°F | Clear | 3 mph NNW | 0% |
| Friday | 74°F | Sunny | 1 to 5 mph NNE | 0% |
| Friday Night | 50°F | Mostly Clear | 0 to 3 mph E | 0% |
| Saturday | 76°F | Sunny | 0 to 3 mph NNE | 0% |
| Saturday Night | 49°F | Mostly Clear | 2 mph NW | 0% |
| Sunday | 73°F | Mostly Sunny | 1 to 5 mph NNW | 0% |
| Sunday Night | 51°F | Partly Cloudy | 3 mph WNW | 0% |
| Monday | 71°F | Mostly Sunny | 1 to 6 mph NW | 2% |
| Monday Night | 50°F | Partly Cloudy | 1 to 5 mph W | 2% |
| Tuesday | 71°F | Sunny | 0 to 5 mph WNW | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Los Altos Hills, CA
Last spring frost
Feb 1
First fall frost
Dec 7
Growing season
310 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, Palo Alto, Ca (3.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.