Today | Weather | Thursday, December 25, 2025

Weather in Cambridge, Massachusetts

03:29 PM
Now
Cloudy Weather
39° F
Feels Like 27°
Precipitation 0 %
Wind 20 mph
UV Index (0 - 11+) 1
Humidity 54 %
Today
Cloudy Weather
Day 41°
Night 10°
Precipitation 1 %
Wind 17 mph
UV Index (0 - 11+) 2

Cambridge Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 25, 2024)
Cloudy Weather

Day

32°

Night

25°

Wind

8 mph

UV Index

2

Precipitation

3 %

Air Quality in Cambridge

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

Pollutant Concentrations:

PM2.5 6.64 µg/m³
PM10 10 µg/m³
O3 0.026 ppm
NO2 10.7 ppb
SO2 1.3 ppb
CO 0.21 ppm
NH3 0.49 µg/m³
NO 1.89 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)
PM2.56.64 µg/m³
PM1010 µg/m³
O350.26 µg/m³
NO220.06 µg/m³
SO23.5 µg/m³
CO239.7 µg/m³
NH30.49 µg/m³
NO1.89 µg/m³