Orange County Weather Forecast
Orange County weather: 83°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Orange County is a county in California. Orange County is a county in the United States. It has a population of about 3.2 million.
Right now it is 83°F (28°C) in Orange County with clear sky. It feels like 85°F. Today runs from 71°F to 90°F. Chance of precipitation is 1%. Sightseeing conditions score 9.2/10 - excellent - go now.
The best time to visit Orange County is April, May, June, July, August, September and October. The climate is Mediterranean. January, February and December tend to be the least comfortable months. August is the warmest month with average highs near 85°F, while January is the coldest with lows near 49°F.
The closest major airport is Los Angeles International Airport (LAX), about 37 mi away. Nearby highlights include Disneyland Resort, Hollywood Sign, Santa Monica State Beach and Coronado Beach.
In plain terms. Today is slightly warmer than average for August. The forecast high of 90°F is 4.9°F above the 85°F typical for this month. The best window to be outside is roughly 7 AM to 10 AM, when temperature, rain chance and wind line up best. swimming is the strongest bet in Orange County today at 9.9/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Active alerts for Orange County
Heat Advisory issued August 22 at 1:10PM PDT until August 25 at 10:00AM PDT by NWS San Diego CA
Issued by NWS San Diego CA
Extreme Heat Watch issued August 22 at 1:10PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA
Issued by NWS San Diego CA
Weather in Orange County right now
Source: Open-Meteo. Updated 6:18 PM, Aug 22 local time.
See the Orange County forecast by time range
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Orange County
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Sat, Aug 22 | ☁️ Overcast | 90° / 71° | 1% | 8 mph | 8 |
| Sun, Aug 23 | 🌥️ Fog | 96° / 65° | 1% | 8 mph | 8 |
| Mon, Aug 24 | ☁️ Overcast | 98° / 67° | 1% | 10 mph | 8 |
| Tue, Aug 25 | ☀️ Clear sky | 100° / 80° | 0% | 9 mph | 8 |
| Wed, Aug 26 | ☀️ Clear sky | 92° / 81° | 0% | 8 mph | 8 |
| Thu, Aug 27 | ☁️ Overcast | 90° / 77° | 2% | 7 mph | 8 |
| Fri, Aug 28 | ☁️ Overcast | 93° / 79° | 1% | 8 mph | 8 |
| Sat, Aug 29 | 🌤️ Mainly clear | 94° / 80° | 1% | 7 mph | 8 |
| Sun, Aug 30 | 🌤️ Mainly clear | 97° / 79° | 1% | 8 mph | 8 |
| Mon, Aug 31 | 🌤️ Mainly clear | 92° / 79° | 1% | 8 mph | 8 |
| Tue, Sep 1 | ☀️ Clear sky | 90° / 78° | 1% | 8 mph | 8 |
| Wed, Sep 2 | ☀️ Clear sky | 94° / 77° | 3% | 10 mph | 8 |
| Thu, Sep 3 | ☁️ Overcast | 97° / 78° | 10% | 8 mph | 8 |
| Fri, Sep 4 | ⛅ Partly cloudy | 90° / 76° | 13% | 8 mph | 8 |
| Sat, Sep 5 | ⛅ Partly cloudy | 93° / 74° | 19% | 9 mph | 8 |
| Sun, Sep 6 | ⛅ Partly cloudy | 89° / 75° | 19% | 10 mph | 8 |
Climate in Orange County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 67° | 49° | 1,5 in | ★★★★☆ |
| February | 67° | 50° | 4,8 in | ★★★☆☆ |
| March | 70° | 51° | 2,0 in | ★★★★☆ |
| April | 72° | 53° | 0,4 in | ★★★★★ |
| May | 74° | 56° | 0,4 in | ★★★★★ |
| June | 78° | 59° | 0,1 in | ★★★★★ |
| July | 82° | 62° | 0,1 in | ★★★★★ |
| August | 85° | 63° | 0,7 in | ★★★★★ |
| September | 82° | 63° | 0,9 in | ★★★★★ |
| October | 80° | 58° | 0,5 in | ★★★★★ |
| November | 72° | 53° | 2,2 in | ★★★★☆ |
| December | 68° | 50° | 2,6 in | ★★★★☆ |
Climate type: Mediterranean. Source: Open-Meteo archive (ERA5).
Weather map for Orange County
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in Orange County
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Best time to visit Orange County
Go in April, May, June, July, August, September and October. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
Weather by attraction in Orange County
1 attractions mapped in this atlas
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 83°F (28°C) with clear sky. Humidity is 52% and wind is 7 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 6:18 PM.
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 22, 2026 at 6:18 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
