Today | Weather | Monday, July 13, 2026
Active Weather Warnings

Weather in Los Angeles, California

04:42 AM
Now
Cloudy Night
66° F
Feels Like 64°
Precipitation 0 %
Wind 5 mph
Humidity 88 %
Today
Cloudy Weather
Day 84°
Night 66°
Precipitation 2 %
Wind 7 mph
UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Los Angeles Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (July 13, 2025)
Cloudy Weather

Day

81°

Night

63°

Wind

6 mph

UV Index

11

Precipitation

1 %

Air Quality in Los Angeles

NOW
36 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.62 µg/m³
PM10 9.37 µg/m³
O3 0.039 ppm
NO2 0.3 ppb
SO2 0.2 ppb
CO 0.07 ppm
NH3 0 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.55.62 µg/m³
PM109.37 µg/m³
O375.72 µg/m³
NO20.55 µg/m³
SO20.47 µg/m³
CO85.16 µg/m³
NH30 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for Los Angeles

Moderate Expected Likely

Heat Advisory

Heat Advisory issued July 13 at 3:18AM PDT until July 14 at 10:00AM PDT by NWS Los Angeles/Oxnard CA
Jul 13, 3:18 AM Jul 14, 10:00 AM
WHAT: For the Heat Advisory, temperatures of 85 to 95 degrees
expected. For the Extreme Heat Watch, dangerously hot conditions
with temperatures of 95 to 105 degrees possible. Warmest
temperatures expected in the valleys.

WHERE: Eastern San Fernando Valley, Los Angeles County Inland
Coast including Downtown Los Angeles, Los Angeles County San
Gabriel Valley, Santa Clarita Valley, Santa Susana Mountains, and
Western San Fernando Valley.

WHEN: For the Heat Advisory, until 10 AM PDT Tuesday. For the
Extreme Heat Watch, from Tuesday morning through Thursday evening.

IMPACTS: There is a high risk for dangerous heat illness for
anyone, especially for the very young, the very old, those without
air conditioning, and those active outdoors.

ADDITIONAL DETAILS: Monsoonal moisture will increase the
potential for heat impacts.
+ Read More
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Monitor the latest forecasts and warnings for updates.
Updated: Jul 13, 3:20 AM Source: NWS Alert