Today | Weather | Sunday, March 15, 2026

Weather in Lowell, Massachusetts

04:53 PM
Now
Cloudy Weather
41° F
Feels Like 34°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 1
Humidity 47 %
Today
Cloudy Weather
Day 43°
Night 36°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 2
Overnight Frost 5 AM – 5 AM

Lowell Weather Forecast Updated

4 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 15, 2025)
Cloudy Weather

Day

66°

Night

48°

Wind

8 mph

UV Index

4

Precipitation

0 %

Air Quality in Lowell

NOW
50 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.65 µg/m³
PM10 2.31 µg/m³
O3 0.054 ppm
NO2 1.4 ppb
SO2 0.3 ppb
CO 0.14 ppm
NH3 0.18 µg/m³
NO 0.29 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)
PM2.51.65 µg/m³
PM102.31 µg/m³
O3105.11 µg/m³
NO22.65 µg/m³
SO20.91 µg/m³
CO159.02 µg/m³
NH30.18 µg/m³
NO0.29 µg/m³