Today | Weather | Sunday, January 18, 2026

Weather in Lancaster, California

10:44 PM
Now
Cloudy Night
43° F
Feels Like 37°
Precipitation 0 %
Wind 7 mph
Humidity 60 %
Today
Cloudy Night
Day 64°
Night 30°
Precipitation 0 %
Wind 6 mph

Lancaster Weather Forecast Updated

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

Day

63°

Night

25°

Wind

4 mph

UV Index

3

Precipitation

0 %

Air Quality in Lancaster

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

Pollutant Concentrations:

PM2.5 12.84 µg/m³
PM10 18.33 µg/m³
O3 0.033 ppm
NO2 3.4 ppb
SO2 0.3 ppb
CO 0.18 ppm
NH3 0.22 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)
PM2.512.84 µg/m³
PM1018.33 µg/m³
O364.79 µg/m³
NO26.31 µg/m³
SO20.81 µg/m³
CO205.59 µg/m³
NH30.22 µg/m³
NO0 µg/m³