Today | Weather | Wednesday, November 12, 2025

Weather in Cambridge, Massachusetts

05:17 AM
Now
Cloudy Night
34° F
Feels Like 19°
Precipitation 0 %
Wind 17 mph
Humidity 75 %
Today
Snowy Weather
Day 45°
Night 37°
Precipitation 55 %
Wind 17 mph
UV Index (0 - 11+) 1

Cambridge Weather Forecast Updated

3 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 12, 2024)
Night

Day

52°

Night

30°

Wind

17 mph

Precipitation

0 %

Air Quality in Cambridge

NOW
27 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.97 µg/m³
PM10 2.74 µg/m³
O3 0.029 ppm
NO2 3.9 ppb
SO2 0.7 ppb
CO 0.12 ppm
NH3 0.46 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)
PM2.50.97 µg/m³
PM102.74 µg/m³
O357.91 µg/m³
NO27.25 µg/m³
SO21.8 µg/m³
CO142.52 µg/m³
NH30.46 µg/m³
NO0 µg/m³