Santa Clara, CA Weather & Growing Conditions
Today
90°F
Sunny
Sunny. High near 90, with temperatures falling to around 88 in the afternoon. West wind 1 to 12 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Sunny | 1 to 12 mph W | 0% |
| Tonight | 60°F | Mostly Clear | 2 to 10 mph W | 0% |
| Wednesday | 88°F | Sunny | 0 to 12 mph WSW | 0% |
| Wednesday Night | 61°F | Mostly Clear | 0 to 12 mph WNW | 0% |
| Thursday | 87°F | Sunny | 0 to 12 mph NNW | 0% |
| Thursday Night | 62°F | Mostly Clear | 5 to 12 mph NW | 0% |
| Friday | 91°F | Sunny | 1 to 13 mph NW | 0% |
| Friday Night | 64°F | Mostly Clear | 0 to 13 mph NW | 0% |
| Saturday | 91°F | Sunny | 0 to 13 mph NNW | 0% |
| Saturday Night | 65°F | Mostly Clear | 3 to 13 mph W | 0% |
| Sunday | 87°F | Sunny | 2 to 13 mph WNW | 0% |
| Sunday Night | 61°F | Mostly Clear | 7 to 13 mph WSW | 0% |
| Monday | 82°F | Sunny | 5 to 13 mph WSW | 0% |
| Monday Night | 60°F | Mostly Clear | 7 to 13 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Santa Clara, CA
Last spring frost
Jan 12
First fall frost
Dec 22
Growing season
347 days
Hardiness zone
9b
Explore more for Santa Clara, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, San Jose, Ca (1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.