Orange County Weather Forecast
Orange County weather: 76°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Risk assessment for Orange County
Derived from the current forecast window - not an official warning.
Peak gusts of 15 mph and 0 thunderstorm days in the next 16 days.
Wettest single day forecast at 0,0 in, 0,0 in across the window. Flash flooding risk rises sharply above 50 mm in a day.
Active alerts for Orange County
Extreme Heat Watch issued August 23 at 9:40PM 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 9:40PM PDT until August 25 at 10:00AM PDT by NWS San Diego CA
Issued by NWS San Diego CA
16-day forecast for Orange County
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sun, Aug 23 | 🌤️ Mainly clear | 98° / 68° | 0% | 8 mph | 8 |
| Mon, Aug 24 | ⛅ Partly cloudy | 90° / 68° | 4% | 8 mph | 8 |
| Tue, Aug 25 | ☁️ Overcast | 95° / 69° | 1% | 8 mph | 8 |
| Wed, Aug 26 | ☁️ Overcast | 93° / 81° | 1% | 8 mph | 8 |
| Thu, Aug 27 | ☁️ Overcast | 92° / 78° | 1% | 8 mph | 8 |
| Fri, Aug 28 | ☁️ Overcast | 100° / 80° | 1% | 9 mph | 8 |
| Sat, Aug 29 | ☀️ Clear sky | 102° / 82° | 1% | 9 mph | 8 |
| Sun, Aug 30 | ☁️ Overcast | 87° / 80° | 0% | 12 mph | 7 |
| Mon, Aug 31 | ☁️ Overcast | 88° / 78° | 2% | 9 mph | 7 |
| Tue, Sep 1 | ⛅ Partly cloudy | 95° / 77° | 2% | 9 mph | 8 |
| Wed, Sep 2 | ☀️ Clear sky | 98° / 79° | 3% | 8 mph | 8 |
| Thu, Sep 3 | ☀️ Clear sky | 108° / 84° | 4% | 8 mph | 8 |
| Fri, Sep 4 | ☁️ Overcast | 91° / 81° | 0% | 13 mph | 7 |
| Sat, Sep 5 | ☁️ Overcast | 99° / 83° | 3% | 11 mph | 6 |
| Sun, Sep 6 | ☁️ Overcast | 94° / 81° | 6% | 10 mph | 8 |
| Mon, Sep 7 | ☀️ Clear sky | 94° / 82° | 6% | 9 mph | 8 |
What this means for Orange County
Today is warmer than average for August. The forecast high of 98°F is 13.3°F above the 85°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 47°F.
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 76°F (25°C) with clear. Humidity is 69% and wind is 4 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 1:00 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 24, 2026 at 1:00 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
