Palo Alto, CA Weather & Growing Conditions
Today
89°F
Mostly Sunny
Mostly sunny, with a high near 89. North northwest wind 1 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Mostly Sunny | 1 to 8 mph NNW | 0% |
| Tonight | 60°F | Mostly Clear | 1 to 6 mph NW | 0% |
| Wednesday | 88°F | Sunny | 1 to 8 mph NW | 0% |
| Wednesday Night | 60°F | Mostly Clear | 1 to 7 mph WNW | 0% |
| Thursday | 87°F | Sunny | 1 to 8 mph WNW | 0% |
| Thursday Night | 61°F | Mostly Clear | 1 to 8 mph NW | 0% |
| Friday | 91°F | Sunny | 1 to 8 mph NW | 0% |
| Friday Night | 62°F | Mostly Clear | 1 to 8 mph WNW | 0% |
| Saturday | 91°F | Sunny | 1 to 8 mph WNW | 0% |
| Saturday Night | 63°F | Mostly Clear | 2 to 8 mph W | 0% |
| Sunday | 87°F | Sunny | 2 to 9 mph W | 0% |
| Sunday Night | 60°F | Mostly Clear | 5 to 9 mph W | 0% |
| Monday | 83°F | Sunny | 3 to 9 mph W | 0% |
| Monday Night | 59°F | Mostly Clear | 3 to 9 mph WSW | 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 (2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.