Harman US

Santa Clara, CA Weather & Growing Conditions

Overnight
56°F
Patchy Fog
Patchy fog after 4am. Partly cloudy, with a low around 56. Northwest wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 56°F Patchy Fog 3 mph NW 0%
Saturday 82°F Areas Of Fog then Sunny 0 to 10 mph NE 0%
Saturday Night 56°F Mostly Cloudy 2 to 9 mph NW 0%
Sunday 76°F Patchy Fog then Mostly Cloudy 1 to 7 mph WNW 0%
Sunday Night 56°F Mostly Cloudy then Patchy Fog 2 to 7 mph W 1%
Monday 79°F Patchy Fog then Mostly Sunny 1 to 8 mph WSW 0%
Monday Night 56°F Partly Cloudy 2 to 8 mph WSW 0%
Tuesday 81°F Patchy Fog then Sunny 1 to 10 mph WSW 0%
Tuesday Night 57°F Mostly Clear 0 to 10 mph W 0%
Wednesday 88°F Sunny 0 to 9 mph NW 0%
Wednesday Night 61°F Mostly Clear 0 to 9 mph WSW 0%
Thursday 90°F Sunny 0 to 10 mph WNW 0%
Thursday Night 60°F Mostly Clear 2 to 10 mph W 0%
Friday 84°F Mostly Sunny 1 to 12 mph WSW 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 (1.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.