Today | Weather | Sunday, December 14, 2025

Weather in Hesperia, California

04:57 AM
Now
Cloudy Night
45° F
Feels Like 45°
Precipitation 0 %
Wind 5 mph
Humidity 74 %
Today
Cloudy Weather
Day 70°
Night 36°
Precipitation 0 %
Wind 5 mph
UV Index (0 - 11+) 3

Hesperia Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 14, 2024)
Cloudy Night

Day

61°

Night

34°

Wind

7 mph

Precipitation

0 %

Air Quality in Hesperia

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

Pollutant Concentrations:

PM2.5 81.63 µg/m³
PM10 99.87 µg/m³
O3 0.033 ppm
NO2 12.4 ppb
SO2 2.2 ppb
CO 0.51 ppm
NH3 0.05 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)
PM2.581.63 µg/m³
PM1099.87 µg/m³
O364.47 µg/m³
NO223.39 µg/m³
SO25.83 µg/m³
CO585.3 µg/m³
NH30.05 µg/m³
NO0 µg/m³