Today | Weather | Sunday, April 26, 2026

Weather in Lancaster, California

04:07 PM
Now
Cloudy Weather
61° F
Feels Like 55°
Precipitation 0 %
Wind 24 mph
UV Index (0 - 11+) 4
Humidity 42 %
Today
Cloudy Weather
Day 61°
Night 46°
Precipitation 25 %
Wind 18 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Lancaster Weather Forecast Updated

28 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 26, 2025)
Stormy Weather

Day

52°

Night

43°

Wind

16 mph

UV Index

10

Precipitation

97 %

Air Quality in Lancaster

NOW
55 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.87 µg/m³
PM10 2.19 µg/m³
O3 0.056 ppm
NO2 0.1 ppb
SO2 0.2 ppb
CO 0.11 ppm
NH3 0 µg/m³
NO 0.03 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)
PM2.50.87 µg/m³
PM102.19 µg/m³
O3108.98 µg/m³
NO20.16 µg/m³
SO20.45 µg/m³
CO121.35 µg/m³
NH30 µg/m³
NO0.03 µg/m³