Today | Weather | Wednesday, October 28, 2026

Weather in Murrieta, California

02:43 PM
Now
Cloudy Weather
75° F
Feels Like 75°
Precipitation 20 %
Wind 8 mph
UV Index (0 - 11+) 3
Humidity 40 %
Today
Partly Sunny with Showers
Day 75°
Night 50°
Precipitation 49 %
Wind 5 mph
UV Index (0 - 11+) 4

Murrieta Weather Forecast Updated

32 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 28, 2025)
Night

Day

99°

Night

54°

Wind

7 mph

Precipitation

0 %

Air Quality in Murrieta

NOW
48 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.19 µg/m³
PM10 9.27 µg/m³
O3 0.052 ppm
NO2 0.1 ppb
SO2 0.1 ppb
CO 0.11 ppm
NH3 0 µg/m³
NO 0.03 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)
PM2.5 – 3.19 µg/m³
PM10 – 9.27 µg/m³
O3 – 101.93 µg/m³
NO2 – 0.22 µg/m³
SO2 – 0.35 µg/m³
CO – 127.25 µg/m³
NH3 – 0 µg/m³
NO – 0.03 µg/m³