Los Altos Hills, CA Weather & Growing Conditions
This Afternoon
82°F
Sunny
Sunny. High near 82, with temperatures falling to around 78 in the afternoon. North northwest wind 5 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Sunny | 5 to 8 mph NNW | 0% |
| Tonight | 56°F | Mostly Cloudy | 3 to 7 mph SW | 0% |
| Sunday | 74°F | Mostly Cloudy | 2 to 7 mph WNW | 1% |
| Sunday Night | 56°F | Mostly Cloudy | 2 to 6 mph WSW | 2% |
| Monday | 77°F | Mostly Sunny | 2 to 7 mph W | 1% |
| Monday Night | 56°F | Partly Cloudy | 2 to 7 mph WSW | 1% |
| Tuesday | 78°F | Mostly Sunny | 2 to 7 mph WSW | 0% |
| Tuesday Night | 56°F | Mostly Clear | 1 to 7 mph WSW | 0% |
| Wednesday | 87°F | Sunny | 1 to 7 mph W | 0% |
| Wednesday Night | 60°F | Mostly Clear | 0 to 7 mph WNW | 0% |
| Thursday | 90°F | Sunny | 0 to 7 mph WNW | 0% |
| Thursday Night | 60°F | Mostly Clear | 2 to 7 mph W | 0% |
| Friday | 84°F | Mostly Sunny | 2 to 8 mph W | 0% |
| Friday Night | 57°F | Partly Cloudy | 2 to 8 mph W | 0% |
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 Sep 19, 2026.