Los Altos Hills, CA Weather & Growing Conditions
Overnight
56°F
Mostly Clear
Mostly clear, with a low around 56. South wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Mostly Clear | 1 mph S | 0% |
| Tuesday | 94°F | Haze then Sunny | 1 to 5 mph NNE | 0% |
| Tuesday Night | 56°F | Mostly Clear | 2 mph S | 0% |
| Wednesday | 91°F | Sunny | 1 to 5 mph WNW | 0% |
| Wednesday Night | 57°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Thursday | 89°F | Sunny | 0 to 5 mph NW | 0% |
| Thursday Night | 58°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Friday | 93°F | Sunny | 0 to 5 mph NW | 0% |
| Friday Night | 60°F | Clear | 0 to 5 mph W | 0% |
| Saturday | 93°F | Sunny | 1 to 5 mph W | 0% |
| Saturday Night | 61°F | Mostly Clear | 1 to 5 mph W | 0% |
| Sunday | 88°F | Sunny | 2 to 6 mph W | 0% |
| Sunday Night | 56°F | Mostly Clear | 6 mph W | 0% |
| Monday | 83°F | Sunny | 3 to 7 mph WSW | 0% |
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 Aug 4, 2026.