Today | Weather | Sunday, January 18, 2026

Weather in Temecula, California

10:44 PM
Now
Cloudy Night
50° F
Feels Like 50°
Precipitation 0 %
Wind 5 mph
Humidity 57 %
Today
Cloudy Night
Day 79°
Night 39°
Precipitation 0 %
Wind 5 mph

Temecula Weather Forecast Updated

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

Day

63°

Night

32°

Wind

4 mph

UV Index

3

Precipitation

0 %

Air Quality in Temecula

NOW
156 AQI
Unhealthy air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 65.88 µg/m³
PM10 78.09 µg/m³
O3 0.061 ppm
NO2 1.6 ppb
SO2 0.4 ppb
CO 0.39 ppm
NH3 0 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:

Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.

Show raw pollutant concentrations (µg/m³)
PM2.565.88 µg/m³
PM1078.09 µg/m³
O3120.22 µg/m³
NO22.96 µg/m³
SO21.01 µg/m³
CO445.47 µg/m³
NH30 µg/m³
NO0 µg/m³