Today | Weather | Sunday, March 15, 2026

Weather in Lancaster, California

01:19 PM
Now
Cloudy Weather
77° F
Feels Like 81°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 6
Humidity 23 %
Today
Cloudy Weather
Day 84°
Night 46°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 6

Lancaster Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 15, 2025)
Cloudy Weather

Day

57°

Night

36°

Wind

16 mph

UV Index

6

Precipitation

0 %

Air Quality in Lancaster

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

Pollutant Concentrations:

PM2.5 32.15 µg/m³
PM10 44.02 µg/m³
O3 0.071 ppm
NO2 4.4 ppb
SO2 2.2 ppb
CO 0.22 ppm
NH3 0.2 µg/m³
NO 1.43 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)
PM2.532.15 µg/m³
PM1044.02 µg/m³
O3138.84 µg/m³
NO28.26 µg/m³
SO25.77 µg/m³
CO256.19 µg/m³
NH30.2 µg/m³
NO1.43 µg/m³