Today | Weather | Monday, March 16, 2026

Weather in Hesperia, California

08:37 PM
Now
Cloudy Night
68° F
Feels Like 66°
Precipitation 0 %
Wind 5 mph
Humidity 25 %
Today
Cloudy Night
Day 81°
Night 52°
Precipitation 0 %
Wind 6 mph

Hesperia Weather Forecast Updated

49 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 16, 2025)
Cloudy Weather

Day

64°

Night

46°

Wind

9 mph

UV Index

6

Precipitation

0 %

Air Quality in Hesperia

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

Pollutant Concentrations:

PM2.5 26.87 µg/m³
PM10 34.78 µg/m³
O3 0.050 ppm
NO2 11.9 ppb
SO2 1 ppb
CO 0.26 ppm
NH3 0.94 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.526.87 µg/m³
PM1034.78 µg/m³
O399.01 µg/m³
NO222.45 µg/m³
SO22.67 µg/m³
CO303.1 µg/m³
NH30.94 µg/m³
NO0 µg/m³