Today | Weather | Friday, September 18, 2026

Weather in Menifee, California

10:39 PM
Now
Cloudy Night
64° F
Feels Like 64°
Precipitation 0 %
Wind 5 mph
Humidity 81 %
Today
Cloudy Night
Day 82°
Night 54°
Precipitation 1 %
Wind 4 mph

Menifee Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 18, 2025)
Stormy Weather

Day

84°

Night

66°

Wind

5 mph

Precipitation

55 %

Air Quality in Menifee

NOW
45 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 7.69 µg/m³
PM10 20.41 µg/m³
O3 0.048 ppm
NO2 1 ppb
SO2 0.4 ppb
CO 0.14 ppm
NH3 0.07 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.57.69 µg/m³
PM1020.41 µg/m³
O394.38 µg/m³
NO21.88 µg/m³
SO21.05 µg/m³
CO158.67 µg/m³
NH30.07 µg/m³
NO0 µg/m³