Today | Weather | Monday, June 22, 2026

Weather in Boston, Massachusetts

08:07 AM
Now
Cloudy Weather
66° F
Feels Like 68°
Precipitation 7 %
Wind 5 mph
UV Index (0 - 11+) 2
Humidity 73 %
Today
Rainy Weather
Day 75°
Night 63°
Precipitation 86 %
Wind 7 mph
UV Index (0 - 11+) 3

Boston Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (June 22, 2025)
Partly Sunny with Showers

Day

91°

Night

70°

Wind

12 mph

UV Index

10

Precipitation

71 %

Air Quality in Boston

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

Pollutant Concentrations:

PM2.5 5.54 µg/m³
PM10 7.67 µg/m³
O3 0.017 ppm
NO2 2.5 ppb
SO2 0.2 ppb
CO 0.11 ppm
NH3 0.24 µg/m³
NO 1.14 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)
PM2.55.54 µg/m³
PM107.67 µg/m³
O333.55 µg/m³
NO24.76 µg/m³
SO20.62 µg/m³
CO130.06 µg/m³
NH30.24 µg/m³
NO1.14 µg/m³