Today | Weather | Tuesday, January 6, 2026
Active Weather Warnings

Weather in Boston, Massachusetts

11:09 AM
Now
Cloudy Weather
30° F
Feels Like 28°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 1
Humidity 80 %
Today
Cloudy Weather
Day 36°
Night 34°
Precipitation 25 %
Wind 6 mph
UV Index (0 - 11+) 2

Boston Weather Forecast Updated

13 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 6, 2025)
Cloudy Weather

Day

27°

Night

18°

Wind

12 mph

UV Index

1

Precipitation

0 %

Air Quality in Boston

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

Pollutant Concentrations:

PM2.5 12.03 µg/m³
PM10 17.87 µg/m³
O3 0.024 ppm
NO2 8.6 ppb
SO2 1 ppb
CO 0.23 ppm
NH3 0.11 µg/m³
NO 3.08 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)
PM2.512.03 µg/m³
PM1017.87 µg/m³
O346.59 µg/m³
NO216.25 µg/m³
SO22.59 µg/m³
CO268.12 µg/m³
NH30.11 µg/m³
NO3.08 µg/m³

Weather Alerts and Warnings for Boston

Moderate Expected Likely

Winter Weather Advisory

Winter Weather Advisory issued January 6 at 12:22AM EST until January 7 at 10:00AM EST by NWS Boston/Norton MA
Jan 6, 7:00 PM Jan 7, 10:00 AM
WHAT: Freezing rain expected. Most locations along the I-95
corridor experience a light glace of ice, though locations across
interior southern New England may see ice accumulation between
0.1" and 0.2".

WHERE: Portions of northern Connecticut, central, eastern,
northeastern, southeastern, and western Massachusetts, and
northern Rhode Island.

WHEN: From 7 PM this evening to 10 AM EST Wednesday.

IMPACTS: Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Difficult travel conditions are
possible. The hazardous conditions could impact the Tuesday
evening and Wednesday morning commutes.
+ Read More
Slow down and use caution while traveling. Prepare for possible power outages.
Updated: Jan 6, 10:56 AM Source: NWS Alert