Los Angeles County Weather Forecast
Los Angeles County weather: 66°F, clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Risk assessment for Los Angeles County
Derived from the current forecast window - not an official warning.
Peak gusts of 13 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.
16-day forecast for Los Angeles County
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Thu, Sep 17 | ☁️ Overcast | 80° / 67° | 2% | 10 mph | 7 |
| Fri, Sep 18 | 🌤️ Mainly clear | 81° / 60° | 0% | 10 mph | 7 |
| Sat, Sep 19 | ☁️ Overcast | 84° / 60° | 0% | 11 mph | 7 |
| Sun, Sep 20 | ☁️ Overcast | 83° / 71° | 0% | 10 mph | 6 |
| Mon, Sep 21 | ☁️ Overcast | 80° / 69° | 1% | 9 mph | 7 |
| Tue, Sep 22 | ☀️ Clear sky | 80° / 68° | 1% | 11 mph | 7 |
| Wed, Sep 23 | ☀️ Clear sky | 81° / 70° | 0% | 12 mph | 7 |
| Thu, Sep 24 | ⛅ Partly cloudy | 84° / 69° | 1% | 10 mph | 7 |
| Fri, Sep 25 | ☁️ Overcast | 87° / 71° | 4% | 10 mph | 7 |
| Sat, Sep 26 | ⛅ Partly cloudy | 89° / 73° | 4% | 10 mph | 7 |
| Sun, Sep 27 | 🌤️ Mainly clear | 89° / 73° | 6% | 10 mph | 7 |
| Mon, Sep 28 | ☀️ Clear sky | 86° / 71° | 6% | 10 mph | 7 |
| Tue, Sep 29 | ☀️ Clear sky | 83° / 69° | 10% | 10 mph | 7 |
| Wed, Sep 30 | 🌤️ Mainly clear | 79° / 67° | 5% | 13 mph | 7 |
| Thu, Oct 1 | ☀️ Clear sky | 82° / 69° | 0% | 12 mph | 7 |
| Fri, Oct 2 | ☀️ Clear sky | 83° / 69° | 0% | 10 mph | 6 |
What this means for Los Angeles County
Today is slightly cooler than average for September. The forecast high of 80°F is 5.2°F below the 86°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 52°F.
See the Los Angeles County forecast by time range
Los Angeles County weather - more answers
Explore Los Angeles 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 Los Angeles County?
Los Angeles County is a county in California. Its coordinates are 34.0522, -118.2437. It lies in North America.
What is the weather like in Los Angeles County right now?
It is currently 66°F (19°C) with clear. Humidity is 79% and wind is 2 mph.
When is the best time to visit Los Angeles County?
April, May, June, July, August, September and October offer the most comfortable conditions in Los Angeles County, which has a Mediterranean climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Los Angeles County in?
Los Angeles County observes America/Los_Angeles (UTC-07:00). The local time is 9:47 AM.
How many people live in Los Angeles County?
Los Angeles County has a population of approximately 9.7 million.
What is the nearest airport to Los Angeles County?
The closest airports are Los Angeles International Airport (LAX), 12 mi away, San Diego International Airport (SAN), 109 mi away and Harry Reid International Airport (LAS), 224 mi away.
What are the top things to do in Los Angeles County?
Popular options include Hollywood Sign, Santa Monica State Beach, Disneyland Resort, Channel Islands National Park, Coronado Beach and Anza-Borrego Desert State Park.
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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 September 18, 2026 at 9:47 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
