Today | Weather | Sunday, March 29, 2026

Active Weather Warnings

Special Weather Statement

Weather in Lowell, Massachusetts

05:56 PM

Now

48° F

Feels Like 39°

Precipitation 0 %

Wind 17 mph

UV Index (0 - 11+) 1

Humidity 30 %

Today

Day 52°

Night 37°

Precipitation 0 %

Wind 12 mph

UV Index (0 - 11+) 5

FROST FORECAST

Overnight Frost 6 AM – 8 AM

Lowell Weather Forecast Updated

Last updated on March 29, 2026 at 4:29 PM

Weather Forecast History

Last Year's Weather on This Day (March 29, 2025)

Day

37°

Night

34°

Wind

9 mph

UV Index

Precipitation

97 %

Air Quality in Lowell

NOW

80 AQI

Moderate air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 4.85 µg/m³

PM₁₀ 6.59 µg/m³

O₃ 0.064 ppm

NO₂ 1.8 ppb

SO₂ 0.7 ppb

CO 0.14 ppm

NH₃ 0.31 µg/m³

NO 0.25 µg/m³

PM_2.5 – 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)

PM_2.5 – 4.85 µg/m³

PM₁₀ – 6.59 µg/m³

O₃ – 124.72 µg/m³

NO₂ – 3.45 µg/m³

SO₂ – 1.77 µg/m³

CO – 165.1 µg/m³

NH₃ – 0.31 µg/m³

NO – 0.25 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Lowell

Moderate Expected Observed

Special Weather Statement

Special Weather Statement issued March 29 at 5:43AM EDT by NWS Boston/Norton MA

Mar 29, 5:43 AM → Mar 29, 7:00 PM

A dry but breezy day is forecast today, with relative humidities
this afternoon expected to drop into the 25 to 40 percent range
away from the Cape and islands. In addition, southwesterly wind
gusts between 25 and 30 mph develop by this afternoon. When
combined with the lack of recent significant rainfall, elevated
fire weather potential will exist today.

Use caution when handling and disposing of ignition sources such
as matches and cigarettes.

Updated: Mar 29, 4:29 PM Source: NWS Alert