Today | Weather | Monday, June 29, 2026

Weather in Worcester, Massachusetts

09:40 PM
Now
Cloudy Night
70° F
Feels Like 68°
Precipitation 0 %
Wind 7 mph
Humidity 74 %
Today
Cloudy Night
Day 84°
Night 63°
Precipitation 0 %
Wind 7 mph

Worcester Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (June 29, 2025)
Sunny Weather

Day

82°

Night

61°

Wind

9 mph

UV Index

10

Precipitation

1 %

Air Quality in Worcester

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

Pollutant Concentrations:

PM2.5 12.04 µg/m³
PM10 14.11 µg/m³
O3 0.043 ppm
NO2 3.6 ppb
SO2 0.3 ppb
CO 0.14 ppm
NH3 0.1 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)
PM2.512.04 µg/m³
PM1014.11 µg/m³
O383.85 µg/m³
NO26.8 µg/m³
SO20.83 µg/m³
CO158.81 µg/m³
NH30.1 µg/m³
NO0 µg/m³