Santa Clara County Weather Forecast
Santa Clara County weather: 67°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Next 48 hours
Hour-by-hour temperature, precipitation chance and wind.
Best time to go outside today
11 AM - 2 PM · comfort score 9.2/10
The best window to be outside is roughly 11 AM to 2 PM, when temperature, rain chance and wind line up best.
Weather in Santa Clara County right now
Source: Open-Meteo. Updated 10:22 AM, Aug 25 local time.
See the Santa Clara County forecast by time range
Santa Clara County weather - more answers
Explore Santa Clara County
Every topic we hold for this place, and the same topic for the places around it.
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Frequently asked questions
Where is Santa Clara County?
Santa Clara County is a county in California. Its coordinates are 37.3541, -121.9552. It lies in North America.
What is the weather like in Santa Clara County right now?
It is currently 67°F (19°C) with clear sky. Humidity is 77% and wind is 9 mph.
When is the best time to visit Santa Clara County?
May, June, July, August, September and October offer the most comfortable conditions in Santa Clara County, which has a Mediterranean climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Santa Clara County in?
Santa Clara County observes America/Los_Angeles (UTC-07:00). The local time is 10:22 AM.
How many people live in Santa Clara County?
Santa Clara County has a population of approximately 1.9 million.
What is the nearest airport to Santa Clara County?
The closest airports are San Francisco International Airport (SFO), 30 mi away and Los Angeles International Airport (LAX), 309 mi away.
What are the top things to do in Santa Clara County?
Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, Julia Pfeiffer Burns State Park and Half Dome.
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| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 25, 2026 at 10:22 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
