County in California

Santa Clara County 天氣 預報

Santa Clara County weather: 18°C, 晴朗. 逐小時 forecast, 14-day outlook, UV, air quality and the best time至visit.

🌙 18°C now🕔 3:30 PM local📅 Best: 五月, 六月, 七月, 八月, 九月 and 十月👥 1.9 million

Risk assessment for Santa Clara County

Derived from the current forecast window - not an official warning.

Fire weather9

16 dry days, 0 days above 32°C and humidity at 51%. Hot, dry and windy together is what drives fire spread.

Airborne particulates0.8

晴朗 air overhead現在. Aerosol readings cannot separate wildfire smoke from dust, so treat this as a haze signal, not a fire confirmation.

空氣品質 and pollen in Santa Clara County

55
中等
Unusually sensitive people should limit long outdoor exertion.
PM2.516.1 µg/m³
PM1017.1 µg/m³
Ozone8 µg/m³
NO₂39.8 µg/m³
UV指數0 · 低
Airborne haze晴朗 air

空氣品質: Open-Meteo (CAMS). US AQI scale.

Health and safety today

Skin and UVNo protection needed for most skin types.
General天氣狀況 are comfortable for most people, including children and older adults,,天氣為normal clothing.

查看 Santa Clara County 的分時預報

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.

天氣 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 北美洲.

What is the weather like in Santa Clara County現在?

It is currently 18°C (64°F),天氣為晴朗. 濕度 is 51% and wind is 8 km/h.

When is the best time至visit Santa Clara County?

五月, 六月, 七月, 八月, 九月 and 十月 offer the most comfortable conditions in Santa Clara County, which has a Mediterranean climate. 一月, 二月 and 十二月 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 3:30 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至Santa Clara County?

The closest airports are San Francisco International Airport (SFO), 48 km away and Los Angeles International Airport (LAX), 497 km away.

What are the top things至do in Santa Clara County?

Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Pinnacles National Park, 七月ia Pfeiffer Burns State Park and Half Dome.

Related articles

Data sources and methodology

Place dataUSPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts.
預報 and observationsOpen-Meteo (ECMWF and national models).
空氣品質 and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
氣候 averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National 天氣 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 十月 25, 2026 at 3:30 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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