Today | Weather | Monday, August 18, 2025

Weather in Irvine, California

10:10 PM
Now
Cloudy NightCloudy night, overcast skies at night with no rain.
70° F
Feels Like 68°
Precipitation 0 %
Wind 6 mph
Humidity 84 %
Today
Cloudy NightCloudy night, overcast skies at night with no rain.
Day 81°
Night 64°
Precipitation 0 %
Wind 5 mph

Irvine Weather Forecast Updated

36 minutes ago
Last updated on

Weather Forecast History

Last Year's Weather on This Day (August 18, 2024)

Cloudy WeatherCloudy weather, overcast skies with clouds.

Day

81°

Night

70°

Wind

7 mph

UV Index

9

Precipitation

0

Air quality in Irvine

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

Pollutant Concentrations:

PM2.5 11.78 µg/m³
PM10 26.85 µg/m³
O₃ 40.87 ppb
NO₂ 21.89 ppb
SO₂ 1.33 ppb
CO 244.33 ppb
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.