Palo Alto, CA Weather & Growing Conditions
This Afternoon
66°F
Chance Light Rain
A chance of rain. Partly sunny. High near 66, with temperatures falling to around 62 in the afternoon. South southwest wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Chance Light Rain | 6 mph SSW | 50% |
| Tonight | 50°F | Chance Light Rain then Mostly Cloudy | 5 mph ESE | 36% |
| Wednesday | 68°F | Sunny | 2 to 10 mph N | 2% |
| Wednesday Night | 50°F | Mostly Cloudy then Patchy Fog | 2 to 10 mph NW | 0% |
| Thursday | 71°F | Patchy Fog then Mostly Sunny | 2 to 7 mph NNW | 0% |
| Thursday Night | 50°F | Mostly Clear then Patchy Fog | 2 to 7 mph W | 0% |
| Friday | 73°F | Patchy Fog then Sunny | 2 to 6 mph NNE | 0% |
| Friday Night | 51°F | Clear | 0 to 6 mph ESE | 0% |
| Saturday | 76°F | Sunny | 0 to 5 mph NE | 0% |
| Saturday Night | 52°F | Mostly Clear | 1 to 5 mph WNW | 0% |
| Sunday | 74°F | Mostly Sunny | 1 to 6 mph NNW | 0% |
| Sunday Night | 53°F | Partly Cloudy | 0 to 6 mph W | 0% |
| Monday | 72°F | Partly Sunny | 0 to 8 mph W | 1% |
| Monday Night | 52°F | Mostly Cloudy | 0 to 8 mph W | 1% |
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 Nov 4, 2026.