Today | Weather | Thursday, October 15, 2026

Weather in Lowell, Massachusetts

12:27 AM
Now
Cloudy Night
45° F
Feels Like 45°
Precipitation 5 %
Wind 4 mph
Humidity 83 %
Today
Cloudy Weather
Day 63°
Night 45°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 3

Lowell Weather Forecast Updated

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

Day

61°

Night

37°

Wind

8 mph

Precipitation

2 %

Air Quality in Lowell

NOW
26 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.5 µg/m³
PM10 0.68 µg/m³
O3 0.028 ppm
NO2 2 ppb
SO2 0.2 ppb
CO 0.13 ppm
NH3 0.2 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)
PM2.5 – 0.5 µg/m³
PM10 – 0.68 µg/m³
O3 – 54.47 µg/m³
NO2 – 3.73 µg/m³
SO2 – 0.4 µg/m³
CO – 148.98 µg/m³
NH3 – 0.2 µg/m³
NO – 0 µg/m³