Today | Weather | Sunday, February 1, 2026

Weather in Cambridge, Massachusetts

11:44 PM
Now
Cloudy Night
16° F
Feels Like -6°
Precipitation 0 %
Wind 20 mph
Humidity 61 %
Today
Cloudy Weather
Day 30°
Night
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 3

Cambridge Weather Forecast Updated

54 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 1, 2025)
Snowy Weather

Day

32°

Night

Wind

15 mph

UV Index

2

Precipitation

65 %

Air Quality in Cambridge

NOW
36 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.63 µg/m³
PM10 3.22 µg/m³
O3 0.039 ppm
NO2 2.7 ppb
SO2 0.5 ppb
CO 0.15 ppm
NH3 0.47 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)
PM2.52.63 µg/m³
PM103.22 µg/m³
O375.97 µg/m³
NO25.03 µg/m³
SO21.19 µg/m³
CO173.92 µg/m³
NH30.47 µg/m³
NO0 µg/m³