Today | Weather | Saturday, October 24, 2026

Weather in Hesperia, California

01:40 PM
Now
Sunny Weather
66° F
Feels Like 70°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 4
Humidity 34 %
Today
Sunny Weather
Day 70°
Night 45°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 4

Hesperia Weather Forecast Updated

15 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 24, 2025)
Night

Day

82°

Night

52°

Wind

7 mph

Precipitation

0 %

Air Quality in Hesperia

NOW
128 AQI
Unhealthy air quality for sensitive groups Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 26.75 µg/m³
PM10 34.11 µg/m³
O3 0.078 ppm
NO2 5.7 ppb
SO2 2.5 ppb
CO 0.23 ppm
NH3 0.3 µg/m³
NO 1.22 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:

Members of sensitive groups may experience health effects. The general public is not likely to be affected.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 26.75 µg/m³
PM10 – 34.11 µg/m³
O3 – 153.88 µg/m³
NO2 – 10.67 µg/m³
SO2 – 6.44 µg/m³
CO – 264.96 µg/m³
NH3 – 0.3 µg/m³
NO – 1.22 µg/m³