Today | Weather | Thursday, February 26, 2026

Weather in Lancaster, Pennsylvania

03:57 AM
Now
Cloudy Night
37° F
Feels Like 34°
Precipitation 0 %
Wind 6 mph
Humidity 75 %
Today
Rainy Weather
Day 43°
Night 25°
Precipitation 55 %
Wind 7 mph
UV Index (0 - 11+) 1
Overnight Frost 12 AM – 3 AM
Tomorrow Morning Frost 2 AM – 8 AM

Lancaster Weather Forecast Updated

1 minute ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 26, 2025)

Day

61°

Night

28°

Air Quality in Lancaster

NOW
49 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 11.68 µg/m³
PM10 15.65 µg/m³
O3 0.029 ppm
NO2 9.2 ppb
SO2 0.3 ppb
CO 0.23 ppm
NH3 0.32 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.511.68 µg/m³
PM1015.65 µg/m³
O356.42 µg/m³
NO217.37 µg/m³
SO20.75 µg/m³
CO268.75 µg/m³
NH30.32 µg/m³
NO0 µg/m³