County in California

San Diego County 天氣 預報

San Diego County weather: 21°C, 晴朗. 逐小時 forecast, 14-day outlook, UV, air quality and the best time至visit.

🌙 21°C now🕔 10:11 PM local📅 Best: 四月, 五月, 六月, 七月, 八月, 九月 and 十月👥 3.3 million

7-day forecast for San Diego County

最高 / 最低; 降雨; UV

日期天氣狀況最高 / 最低降雨風UV
週日, 十月 25⛅ 局部多雲27° / 15°0%19 km/h6
週一, 十月 26☀️ 晴朗26° / 16°0%19 km/h5
週二, 十月 27☁️ 陰天24° / 15°2%14 km/h5
週三, 十月 28☁️ 陰天22° / 19°1%15 km/h5
週四, 十月 29☁️ 陰天21° / 19°5%12 km/h5
週五, 十月 30☁️ 陰天21° / 18°25%13 km/h4
週六, 十月 31☁️ 陰天21° / 18°46%15 km/h5

Weekend outlook

週日day, 十月 25

⛅ 27° / 15°

局部多雲 · 0% rain · wind 19 km/h

週六urday, 十月 31

☁️ 21° / 18°

陰天 · 46% rain · wind 15 km/h

Is today a good day至visit?

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

Sightseeing9.7
Outdoors9.7
Beach day8.3
Swimming8.5
Hiking9.7
Running9.3
Cycling9.6
Camping9.7
Fishing8.6
Photography8.8
Stargazing10
Family time9.7
Driving9.7
Flying out9.6

What至pack, what至skip

Pack for the next 7 days
  • 週日glasses, a brimmed hat and SPF 30+
Worth avoiding
  • If your dates are flexible, avoid 一月, 二月 and 三月 - historically the least comfortable months here.

Active alerts for San Diego County

⚠️Coastal Flood Warning · Severe
Coastal Flood Warning issued 十月 25 at 9:11AM PDT until 十月 29 at 1:00PM PDT by NWS San Diego CA
Issued by NWS San Diego CA

查看 San Diego County 的分時預報

San Diego County weather - more answers

Explore San Diego 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 San Diego County?

San Diego County is a county in California. Its coordinates are 32.7157, -117.1611. It lies in 北美洲.

What is the weather like in San Diego County現在?

It is currently 21°C (69°F),天氣為晴朗. 濕度 is 71% and wind is 7 km/h.

When is the best time至visit San Diego County?

四月, 五月, 六月, 七月, 八月, 九月 and 十月 offer the most comfortable conditions in San Diego County, which has a Mediterranean climate. 一月, 二月 and 三月 are usually the hardest months for outdoor plans.

What time zone is San Diego County in?

San Diego County observes America/Los_Angeles (UTC-07:00). The local time is 10:11 PM.

How many people live in San Diego County?

San Diego County has a population of approximately 3.3 million.

What is the nearest airport至San Diego County?

The closest airports are San Diego International Airport (SAN), 4 km away, Los Angeles International Airport (LAX), 179 km away and Harry Reid International Airport (LAS), 417 km away.

What are the top things至do in San Diego County?

Popular options include Coronado Beach, Anza-Borrego Desert State Park, Disneyland Resort, Joshua Tree National Park, Santa 週一ica State Beach and Hollywood Sign.

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 10:11 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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