Today | Weather | Thursday, October 8, 2026

Weather in Worcester, Massachusetts

10:39 AM
Now
Cloudy Weather
63° F
Feels Like 63°
Precipitation 34 %
Wind 14 mph
UV Index (0 - 11+) 3
Humidity 71 %
Today
Cloudy Weather
Day 70°
Night 48°
Precipitation 49 %
Wind 13 mph
UV Index (0 - 11+) 4

Worcester Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (October 8, 2025)
Night

Day

63°

Night

43°

Wind

13 mph

Precipitation

0 %

Air Quality in Worcester

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

Pollutant Concentrations:

PM2.5 9.7 µg/m³
PM10 13.6 µg/m³
O3 0.040 ppm
NO2 6.4 ppb
SO2 1.6 ppb
CO 0.17 ppm
NH3 0.45 µg/m³
NO 3.1 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 – 9.7 µg/m³
PM10 – 13.6 µg/m³
O3 – 78.18 µg/m³
NO2 – 12.02 µg/m³
SO2 – 4.24 µg/m³
CO – 197.52 µg/m³
NH3 – 0.45 µg/m³
NO – 3.1 µg/m³