Today | Weather | Thursday, November 5, 2026

Weather in Boston, Massachusetts

03:18 AM
Now
Cloudy Night
61° F
Feels Like 59°
Precipitation 0 %
Wind 6 mph
Humidity 96 %
Today
Cloudy Weather
Day 73°
Night 63°
Precipitation 25 %
Wind 17 mph
UV Index (0 - 11+) 1

Boston Weather Forecast Updated

46 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 5, 2025)
Rainy Night

Day

55°

Night

41°

Wind

21 mph

Precipitation

96 %

Air Quality in Boston

NOW
44 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.83 µg/m³
PM10 8.95 µg/m³
O3 0.047 ppm
NO2 0.6 ppb
SO2 0.2 ppb
CO 0.10 ppm
NH3 0 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 – 2.83 µg/m³
PM10 – 8.95 µg/m³
O3 – 93.09 µg/m³
NO2 – 1.16 µg/m³
SO2 – 0.48 µg/m³
CO – 112.17 µg/m³
NH3 – 0 µg/m³
NO – 0 µg/m³