Today | Weather | Thursday, March 12, 2026
Active Weather Warnings

Weather in Los Angeles, California

06:24 AM
Now
Night
57° F
Feels Like 55°
Precipitation 7 %
Wind 6 mph
Humidity 52 %
Today
Sunny Weather
Day 91°
Night 64°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 6

Los Angeles Weather Forecast Updated

10 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 12, 2025)
Rainy Weather

Day

63°

Night

50°

Wind

8 mph

UV Index

2

Precipitation

97 %

Air Quality in Los Angeles

NOW
52 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 13.09 µg/m³
PM10 20.44 µg/m³
O3 0.044 ppm
NO2 0.3 ppb
SO2 0.1 ppb
CO 0.14 ppm
NH3 0.02 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.513.09 µg/m³
PM1020.44 µg/m³
O385.79 µg/m³
NO20.51 µg/m³
SO20.32 µg/m³
CO155.96 µg/m³
NH30.02 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for Los Angeles

Moderate Expected Likely

Heat Advisory

Heat Advisory issued March 12 at 2:03AM PDT until March 13 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Mar 12, 10:00 AM Mar 13, 8:00 PM
WHAT: Widespread temperatures of 90 to 100 expected.

WHERE: The coasts and coastal valleys of Ventura and Los Angeles
counties.

WHEN: From 10 AM this morning to 8 PM PDT Friday.

IMPACTS: There is a high risk for heat illness for sensitive
populations including the very young, the very old, those without
air conditioning, and those active outdoors.

ADDITIONAL DETAILS: Well above normal temperatures will continue
well into next week, and additional Heat Advisories or Extreme
Heat Warnings may be needed.
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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
Updated: Mar 12, 6:13 AM Source: NWS Alert