Palo Alto, CA Weather & Growing Conditions
Tonight
57°F
Partly Cloudy
Partly cloudy, with a low around 57. Southwest wind 2 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Partly Cloudy | 2 to 6 mph SW | 0% |
| Saturday | 81°F | Mostly Sunny | 1 to 10 mph NNE | 0% |
| Saturday Night | 57°F | Mostly Cloudy | 3 to 8 mph WNW | 0% |
| Sunday | 75°F | Mostly Cloudy | 3 to 9 mph W | 4% |
| Sunday Night | 57°F | Mostly Cloudy | 2 to 9 mph W | 4% |
| Monday | 78°F | Mostly Sunny | 2 to 9 mph W | 0% |
| Monday Night | 57°F | Partly Cloudy | 2 to 9 mph WSW | 0% |
| Tuesday | 81°F | Sunny | 2 to 9 mph W | 0% |
| Tuesday Night | 58°F | Mostly Clear | 0 to 9 mph WSW | 0% |
| Wednesday | 89°F | Sunny | 0 to 9 mph W | 0% |
| Wednesday Night | 62°F | Mostly Clear | 0 to 9 mph W | 0% |
| Thursday | 90°F | Sunny | 0 to 10 mph WNW | 0% |
| Thursday Night | 62°F | Mostly Clear | 1 to 10 mph W | 0% |
| Friday | 84°F | Mostly Sunny | 1 to 12 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Palo Alto, CA
Last spring frost
Feb 1
First fall frost
Dec 7
Growing season
310 days
Hardiness zone
9b
Explore more for Palo Alto, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Palo Alto, Ca (0.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.