Today | Weather | Thursday, February 26, 2026

Weather in Lowell, Massachusetts

12:47 AM
Now
Cloudy Night
23° F
Feels Like 19°
Precipitation 0 %
Wind 6 mph
Humidity 64 %
Today
Cloudy Weather
Day 41°
Night 14°
Precipitation 2 %
Wind 9 mph
UV Index (0 - 11+) 4
Overnight Frost 1 AM – 8 AM

Lowell Weather Forecast Updated

47 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 26, 2025)
Cloudy Weather

Day

50°

Night

32°

Wind

11 mph

UV Index

3

Precipitation

2 %

Air Quality in Lowell

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

Pollutant Concentrations:

PM2.5 20.72 µg/m³
PM10 23.59 µg/m³
O3 0.030 ppm
NO2 13.1 ppb
SO2 0.9 ppb
CO 0.26 ppm
NH3 0.12 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)
PM2.520.72 µg/m³
PM1023.59 µg/m³
O358.5 µg/m³
NO224.72 µg/m³
SO22.43 µg/m³
CO302.76 µg/m³
NH30.12 µg/m³
NO0 µg/m³