Today | Weather | Tuesday, November 4, 2025
Active Weather Warnings

Weather in Boston, Massachusetts

05:17 AM
Now
Cloudy Night
45° F
Feels Like 30°
Precipitation 20 %
Wind 25 mph
Humidity 73 %
Today
Cloudy Weather
Day 55°
Night 43°
Precipitation 0 %
Wind 23 mph
UV Index (0 - 11+) 3

Boston Weather Forecast Updated

Last updated on

Weather Forecast History

Last Year's Weather on This Day (November 4, 2024)

Cloudy Night

Day

52°

Night

48°

Wind

7 mph

Precipitation

40

Air Quality in Boston

NOW
35 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.54 µg/m³
PM10 1.14 µg/m³
O3 0.038 ppm
NO2 1.2 ppb
SO2 0.2 ppb
CO 0.11 ppm
NH3 0.11 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)
PM2.50.54 µg/m³
PM101.14 µg/m³
O374.25 µg/m³
NO22.34 µg/m³
SO20.46 µg/m³
CO129.74 µg/m³
NH30.11 µg/m³
NO0 µg/m³

Weather Alerts and Warnings for Boston

Moderate Expected Likely

Wind Advisory

Wind Advisory issued November 4 at 1:28AM EST until November 4 at 7:00PM EST by NWS Boston/Norton MA
Nov 4, 4:00 AM Nov 4, 7:00 PM
WHAT: West winds 15 to 25 mph with gusts up to 50 mph expected.

WHERE: Rhode Island and central and eastern Massachusetts.

WHEN: Until 7 PM EST this evening.

IMPACTS: Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and some power outages may result.
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Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
Updated: Nov 4, 3:59 AM Source: NWS Alert