❮
Today Tomorrow Hourly 7 days 30 days December
❯
Today | Weather | Sunday, December 14, 2025
Active Weather Warnings

Weather in Brockton, Massachusetts

08:06 AM
Now
Snowy Weather
28° F
Feels Like 32°
Precipitation 54 %
Wind 1 mph
UV Index (0 - 11+) 0
Humidity 93 %
Today
Snowy Weather
Day 32°
Night 10°
Precipitation 86 %
Wind 6 mph
UV Index (0 - 11+) 0

Brockton Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 14, 2024)
Night

Day

34°

Night

18°

Wind

4 mph

Precipitation

0 %

Air Quality in Brockton

NOW
20 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.12 µg/m³
PM10 4.35 µg/m³
O3 0.022 ppm
NO2 6.7 ppb
SO2 0.2 ppb
CO 0.20 ppm
NH3 0.09 µg/m³
NO 0.01 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 – 4.12 µg/m³
PM10 – 4.35 µg/m³
O3 – 42.61 µg/m³
NO2 – 12.7 µg/m³
SO2 – 0.51 µg/m³
CO – 231.56 µg/m³
NH3 – 0.09 µg/m³
NO – 0.01 µg/m³
View Hourly Air Quality Forecast

Weather Alerts and Warnings for Brockton

Moderate Expected Likely

Winter Weather Advisory

Winter Weather Advisory issued December 14 at 5:28AM EST until December 14 at 7:00PM EST by NWS Boston/Norton MA
Dec 14, 5:28 AM → Dec 14, 7:00 PM
WHAT: Total snow accumulations between 2 and 4 inches but
localized 5-6" amounts possible near the south coast and Cape Cod.

WHERE: Rhode Island and southeast Massachusetts.

WHEN: Until 7 PM EST this evening.

IMPACTS: Plan on slippery road conditions.
+ Read More
Slow down and use caution while traveling.
Updated: Dec 14, 6:37 AM Source: NWS Alert