Today | Weather | Saturday, November 14, 2026

Weather in Cambridge, Massachusetts

06:47 PM
Now
Rainy Weather
39° F
Feels Like 34°
Precipitation 40 %
Wind 8 mph
Humidity 69 %
Today
Partly Sunny with Showers
Day 45°
Night 34°
Precipitation 62 %
Wind 8 mph
UV Index (0 - 11+) 2

Cambridge Weather Forecast Updated

17 seconds ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 14, 2025)
Cloudy Night

Day

46°

Night

30°

Wind

7 mph

Precipitation

25 %

Air Quality in Cambridge

NOW
28 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.54 µg/m³
PM10 1.15 µg/m³
O3 0.030 ppm
NO2 2.8 ppb
SO2 0.2 ppb
CO 0.14 ppm
NH3 0.25 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 – 0.54 µg/m³
PM10 – 1.15 µg/m³
O3 – 58.52 µg/m³
NO2 – 5.19 µg/m³
SO2 – 0.42 µg/m³
CO – 157.53 µg/m³
NH3 – 0.25 µg/m³
NO – 0 µg/m³