Today | Weather | Wednesday, November 12, 2025

Weather in Worcester, Massachusetts

05:22 AM
Now
Cloudy Weather
34° F
Feels Like 21°
Precipitation 7 %
Wind 13 mph
Humidity 79 %
Today
Snowy Weather
Day 41°
Night 36°
Precipitation 55 %
Wind 14 mph
UV Index (0 - 11+) 1

Worcester Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 12, 2024)
Night

Day

46°

Night

28°

Wind

15 mph

Precipitation

0 %

Air Quality in Worcester

NOW
24 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.16 µg/m³
PM10 4.49 µg/m³
O3 0.026 ppm
NO2 6.2 ppb
SO2 1.1 ppb
CO 0.14 ppm
NH3 0.63 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)
PM2.52.16 µg/m³
PM104.49 µg/m³
O351.75 µg/m³
NO211.76 µg/m³
SO22.83 µg/m³
CO157.09 µg/m³
NH30.63 µg/m³
NO0 µg/m³