Orange County Weather Forecast
Orange County weather: 80°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Tomorrow in Orange County - Sunday, August 23
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
Active alerts for Orange County
Extreme Heat Watch issued August 23 at 5:17AM PDT until August 28 at 8:00PM PDT by NWS San Diego CA
Issued by NWS San Diego CA
Heat Advisory issued August 23 at 5:17AM PDT until August 25 at 10:00AM PDT by NWS San Diego CA
Issued by NWS San Diego CA
Is today a good day to visit?
Activity scores from 0 to 10 based on temperature, rain, wind, sun and visibility.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid January, February and December - historically the least comfortable months here.
See the Orange County forecast by time range
Orange County weather - more answers
Explore Orange 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 Orange County?
Orange County is a county in California. Its coordinates are 33.7175, -117.8311. It lies in North America.
What is the weather like in Orange County right now?
It is currently 80°F (27°C) with clear sky. Humidity is 61% and wind is 6 mph.
When is the best time to visit Orange County?
April, May, June, July, August, September and October offer the most comfortable conditions in Orange County, which has a Mediterranean climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Orange County in?
Orange County observes America/Los_Angeles (UTC-07:00). The local time is 7:20 AM.
How many people live in Orange County?
Orange County has a population of approximately 3.2 million.
What is the nearest airport to Orange County?
The closest airports are Los Angeles International Airport (LAX), 37 mi away, San Diego International Airport (SAN), 77 mi away and Harry Reid International Airport (LAS), 223 mi away.
What are the top things to do in Orange County?
Popular options include Disneyland Resort, Hollywood Sign, Santa Monica State Beach, Coronado Beach, Anza-Borrego Desert State Park and Joshua Tree National Park.
What places are in Orange County?
Orange County covers 1 places in this atlas, including Disneyland Resort.
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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 23, 2026 at 7:20 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.

