Today | Weather | Wednesday, February 25, 2026

Weather in Brockton, Massachusetts

10:47 PM
Now
Cloudy Night
30° F
Feels Like 23°
Precipitation 7 %
Wind 8 mph
Humidity 97 %
Today
Cloudy Night
Day 36°
Night 27°
Precipitation 25 %
Wind 7 mph
Overnight Frost 2 AM – 9 AM
Tomorrow Morning Frost 12 AM – 7 AM

Brockton Weather Forecast Updated

26 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 25, 2025)
Partly Sunny with Showers

Day

55°

Night

34°

Wind

8 mph

UV Index

3

Precipitation

60 %

Air Quality in Brockton

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

Pollutant Concentrations:

PM2.5 11.73 µg/m³
PM10 14.55 µg/m³
O3 0.041 ppm
NO2 4.1 ppb
SO2 0.7 ppb
CO 0.18 ppm
NH3 0.27 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)
PM2.511.73 µg/m³
PM1014.55 µg/m³
O379.8 µg/m³
NO27.79 µg/m³
SO21.77 µg/m³
CO206.12 µg/m³
NH30.27 µg/m³
NO0 µg/m³