County in California

Santa Clara County Weather Forecast

Santa Clara County weather: 63°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.

☁️ 63°F now🕔 4:06 PM local📅 Best: May, June, July, August, September and October👥 1.9 million

Tomorrow in Santa Clara County - Monday, October 26

🌥️
67°
Fog · low 50°F
Rain chance0%
Precipitation0,0 in
Max wind10 mph
Gusts14 mph
UV index4.8 · Moderate
Sunrise7:26 AM
Sunset6:16 PM
Daylight10h 49m

Next 24 hours

Hour-by-hour temperature, precipitation chance and wind.

8 PM☁️63°0%4 mph
9 PM☁️60°0%5 mph
10 PM☁️58°0%3 mph
11 PM☁️57°0%0 mph
12 AM🌙56°0%4 mph
1 AM🌙55°0%4 mph
2 AM🌙54°0%2 mph
3 AM🌙53°0%3 mph
4 AM🌥️53°0%2 mph
5 AM☁️55°0%1 mph
6 AM☁️56°0%2 mph
7 AM🌤️54°0%2 mph
8 AM☀️53°0%0 mph
9 AM☀️55°0%0 mph
10 AM☀️58°0%2 mph
11 AM☀️61°0%5 mph
12 PM☀️64°0%6 mph
1 PM☀️65°0%9 mph
2 PM☀️66°0%8 mph
3 PM☀️66°0%10 mph
4 PM☀️67°0%10 mph
5 PM☀️65°0%9 mph
6 PM☀️62°0%7 mph
7 PM🌙58°0%3 mph

Is today a good day to visit?

Activity scores from 0 to 10 based on temperature, rain, wind, sun and visibility.

Sightseeing9.8
Outdoors9.6
Beach day5.2
Swimming4.3
Hiking9.8
Running9.8
Cycling9.7
Camping9.7
Fishing9.6
Photography7.6
Stargazing6.3
Family time9.6
Driving9.7
Flying out9.6

What to pack, what to skip

Pack for the next 7 days
  • Sunglasses, a brimmed hat and SPF 30+
  • Layers - the daily swing is 62°F, so mornings feel nothing like afternoons
Worth avoiding
  • If your dates are flexible, avoid January, February and December - historically the least comfortable months here.

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.

Weather for related places

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 63°F (17°C) with overcast. Humidity is 66% and wind is 4 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 4:06 PM.

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.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts.
Forecast and observationsOpen-Meteo (ECMWF and national models).
Air quality and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Climate averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Weather Service.
MethodScores, 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 October 26, 2026 at 4:06 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

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