Palo Alto, CA Weather & Growing Conditions
Overnight
50°F
Chance Light Rain
A chance of rain before 1am, then a chance of rain and patchy fog between 1am and 4am. Mostly cloudy, with a low around 50. North wind around 3 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Chance Light Rain | 3 mph N | 25% |
| Wednesday | 68°F | Sunny | 2 to 10 mph NNW | 2% |
| Wednesday Night | 50°F | Mostly Cloudy | 1 to 8 mph W | 2% |
| Thursday | 71°F | Patchy Fog then Mostly Sunny | 1 to 6 mph NW | 0% |
| Thursday Night | 48°F | Mostly Clear | 3 mph NW | 0% |
| Friday | 73°F | Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 51°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Saturday | 76°F | Sunny | 0 to 3 mph NNE | 0% |
| Saturday Night | 52°F | Mostly Clear | 3 mph WNW | 0% |
| Sunday | 74°F | Mostly Sunny | 1 to 5 mph NNW | 0% |
| Sunday Night | 53°F | Partly Cloudy | 1 to 5 mph W | 0% |
| Monday | 72°F | Mostly Sunny | 0 to 6 mph NW | 2% |
| Monday Night | 51°F | Partly Cloudy | 1 to 6 mph W | 2% |
| Tuesday | 72°F | Sunny | 0 to 5 mph WNW | 6% |
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 Nov 4, 2026.