Palo Alto, CA Weather & Growing Conditions
Today
88°F
Haze then Mostly Sunny
Haze between 7am and 8am. Mostly sunny. High near 88, with temperatures falling to around 86 in the afternoon. North northwest wind 1 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Haze then Mostly Sunny | 1 to 9 mph NNW | 0% |
| Tonight | 59°F | Mostly Clear | 1 to 7 mph NNW | 0% |
| Wednesday | 87°F | Mostly Sunny | 1 to 9 mph NW | 0% |
| Wednesday Night | 60°F | Mostly Clear | 1 to 8 mph W | 0% |
| Thursday | 86°F | Sunny | 1 to 9 mph WNW | 0% |
| Thursday Night | 60°F | Mostly Clear | 1 to 9 mph WNW | 0% |
| Friday | 90°F | Sunny | 1 to 9 mph NW | 0% |
| Friday Night | 62°F | Mostly Clear | 1 to 9 mph W | 0% |
| Saturday | 90°F | Sunny | 0 to 9 mph WNW | 0% |
| Saturday Night | 63°F | Mostly Clear | 3 to 9 mph W | 0% |
| Sunday | 86°F | Sunny | 2 to 10 mph W | 0% |
| Sunday Night | 60°F | Mostly Clear | 5 to 10 mph WSW | 0% |
| Monday | 82°F | Sunny | 5 to 12 mph WSW | 0% |
| Monday Night | 58°F | Mostly Clear | 3 to 12 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 (0.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.