Today | Weather | Thursday, May 7, 2026

Weather in Cambridge, Massachusetts

06:42 AM
Now
Rainy Weather
52° F
Feels Like 41°
Precipitation 58 %
Wind 18 mph
UV Index (0 - 11+) 0
Humidity 75 %
Today
Partly Sunny with Showers
Day 66°
Night 45°
Precipitation 49 %
Wind 18 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Cambridge Weather Forecast Updated

54 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 7, 2025)
Sunny with a Chance of Thunderstorms

Day

70°

Night

55°

Wind

9 mph

UV Index

8

Precipitation

40 %

Air Quality in Cambridge

NOW
29 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.33 µg/m³
PM10 1.62 µg/m³
O3 0.031 ppm
NO2 2 ppb
SO2 0.2 ppb
CO 0.13 ppm
NH3 0.11 µg/m³
NO 0.03 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)
PM2.51.33 µg/m³
PM101.62 µg/m³
O360.47 µg/m³
NO23.72 µg/m³
SO20.48 µg/m³
CO154.02 µg/m³
NH30.11 µg/m³
NO0.03 µg/m³