❮
Today Tomorrow Hourly 7 days 30 days January
❯
Today | Weather | Tuesday, January 6, 2026
Active Weather Warnings

Weather in Cambridge, Massachusetts

05:49 PM
Now
Cloudy Weather
32° F
Feels Like 27°
Precipitation 0 %
Wind 6 mph
Humidity 90 %
Today
Cloudy Weather
Day 34°
Night 32°
Precipitation 2 %
Wind 5 mph
UV Index (0 - 11+) 1

Cambridge Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 6, 2025)
Cloudy Weather

Day

25°

Night

18°

Wind

11 mph

UV Index

1

Precipitation

0 %

Air Quality in Cambridge

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

Pollutant Concentrations:

PM2.5 8.02 µg/m³
PM10 11.32 µg/m³
O3 0.027 ppm
NO2 8.1 ppb
SO2 0.6 ppb
CO 0.21 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 considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 8.02 µg/m³
PM10 – 11.32 µg/m³
O3 – 52.56 µg/m³
NO2 – 15.22 µg/m³
SO2 – 1.67 µg/m³
CO – 238.28 µg/m³
NH3 – 0.12 µg/m³
NO – 0 µg/m³
View Hourly Air Quality Forecast

Weather Alerts and Warnings for Cambridge

Moderate Expected Likely

Winter Weather Advisory

Winter Weather Advisory issued January 6 at 1:04PM EST until January 7 at 10:00AM EST by NWS Boston/Norton MA
Jan 6, 7:00 PM → Jan 7, 10:00 AM
WHAT: Mixed precipitation expected. Total snow accumulations up
to one inch and ice accumulations up to two tenths of an inch.

WHERE: Portions of northern Connecticut, central, eastern,
northeastern, southeastern, and western Massachusetts, and
northern Rhode Island.

WHEN: From 7 PM this evening to 10 AM EST Wednesday.

IMPACTS: Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Plan on slippery road
conditions. The hazardous conditions could impact the Tuesday
evening and Wednesday morning commutes.
+ Read More
Slow down and use caution while traveling.
Updated: Jan 6, 3:59 PM Source: NWS Alert