Today | Weather | Saturday, April 4, 2026

Weather in Anaheim, California

06:48 PM
Now
Cloudy Weather
82° F
Feels Like 81°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 0
Humidity 18 %
Today
Cloudy Weather
Day 90°
Night 52°
Precipitation 1 %
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.

Anaheim Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 4, 2025)
Sunny Weather

Day

72°

Night

46°

Wind

6 mph

UV Index

8

Precipitation

1 %

Air Quality in Anaheim

NOW
107 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 24.8 µg/m³
PM10 35.68 µg/m³
O3 0.072 ppm
NO2 0.6 ppb
SO2 0.5 ppb
CO 0.16 ppm
NH3 0.05 µg/m³
NO 0.02 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:

Members of sensitive groups may experience health effects. The general public is not likely to be affected.

Show raw pollutant concentrations (µg/m³)
PM2.524.8 µg/m³
PM1035.68 µg/m³
O3141.32 µg/m³
NO21.15 µg/m³
SO21.29 µg/m³
CO186.8 µg/m³
NH30.05 µg/m³
NO0.02 µg/m³