San Diego County Weather Forecast
San Diego County weather: 69°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Live radar and satellite over San Diego County
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Radar frames: RainViewer (global composite, ~10 minute refresh). Satellite: NASA GIBS MODIS true colour, previous day. Coverage and refresh vary by region.
Active alerts for San Diego County
Coastal Flood Warning issued October 26 at 9:52PM PDT until October 29 at 1:00PM PDT by NWS San Diego CA
Issued by NWS San Diego CA
Weather in San Diego County right now
Source: Open-Meteo. Updated 10:39 PM, Oct 26 local time.
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
See the San Diego County forecast by time range
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.
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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 North America.
What is the weather like in San Diego County right now?
It is currently 69°F (21°C) with clear. Humidity is 70% and wind is 7 mph.
When is the best time to visit San Diego County?
April, May, June, July, August, September and October offer the most comfortable conditions in San Diego County, which has a Mediterranean climate. January, February and March 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 10:39 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 to San Diego County?
The closest airports are San Diego International Airport (SAN), 2 mi away, Los Angeles International Airport (LAX), 111 mi away and Harry Reid International Airport (LAS), 259 mi away.
What are the top things to do in San Diego County?
Popular options include Coronado Beach, Anza-Borrego Desert State Park, Disneyland Resort, Joshua Tree National Park, Santa Monica State Beach and Hollywood Sign.
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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 October 26, 2026 at 10:39 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
