Today | Weather | Tuesday, September 8, 2026

Active Weather Warnings

Heat Advisory

Weather in Los Angeles, California

01:42 AM

Now

75° F

Feels Like 75°

Precipitation 0 %

Wind 5 mph

Humidity 70 %

Today

Day 93°

Night 75°

Precipitation 3 %

Wind 7 mph

UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Los Angeles Weather Forecast Updated

Last updated on September 08, 2026 at 12:28 AM

Weather Forecast History

Last Year's Weather on This Day (September 8, 2025)

Day

88°

Night

64°

Wind

6 mph

Precipitation

0 %

Air Quality in Los Angeles

NOW

41 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 5.04 µg/m³

PM₁₀ 11.69 µg/m³

O₃ 0.044 ppm

NO₂ 0.4 ppb

SO₂ 0.2 ppb

CO 0.14 ppm

NH₃ 0 µg/m³

NO 0 µg/m³

PM_2.5 – 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)

PM_2.5 – 5.04 µg/m³

PM₁₀ – 11.69 µg/m³

O₃ – 86.43 µg/m³

NO₂ – 0.67 µg/m³

SO₂ – 0.65 µg/m³

CO – 162.92 µg/m³

NH₃ – 0 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Los Angeles

Moderate Expected Likely

Heat Advisory

Heat Advisory issued September 7 at 11:55AM PDT until September 10 at 8:00PM PDT by NWS Los Angeles/Oxnard CA

Sep 8, 10:00 AM → Sep 10, 8:00 PM

WHAT: Temperatures between 85 and 105 expected. 10 to 15 degrees
above normal.

WHERE: Calabasas and Agoura Hills, Eastern San Fernando Valley,
Eastern Santa Monica Mountains Recreational Area, Los Angeles
County Beaches, Los Angeles County Inland Coast including Downtown
Los Angeles, Los Angeles County San Gabriel Valley, Malibu Coast,
Palos Verdes Hills, Western San Fernando Valley, and Western Santa
Monica Mountains Recreational Area

WHEN: From 10 AM Tuesday to 8 PM PDT Thursday.

IMPACTS: Hot temperatures may cause heat illnesses.

ADDITIONAL DETAILS: Humid conditions will add to heat discomfort.
Heat peaking on Wednesday for most areas. Chance for Heat
Advisories to be extended into Friday.

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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.

Updated: Sep 8, 12:28 AM Source: NWS Alert