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Today | Weather | Sunday, February 22, 2026
Active Weather Warnings

Weather in Boston, Massachusetts

05:29 PM
Now
Cloudy Weather
34° F
Feels Like 25°
Precipitation 7 %
Wind 12 mph
UV Index (0 - 11+) 0
Humidity 77 %
Today
Cloudy Weather
Day 36°
Night 28°
Precipitation 25 %
Wind 9 mph
UV Index (0 - 11+) 1
FROST FORECAST
Overnight Frost 1 AM – 6 AM

Boston Weather Forecast Updated

25 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 22, 2025)
Cloudy Weather

Day

36°

Night

25°

Wind

11 mph

UV Index

3

Precipitation

0 %

Air Quality in Boston

NOW
41 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 0.53 µg/m³
PM10 0.89 µg/m³
O3 0.044 ppm
NO2 0.8 ppb
SO2 0.2 ppb
CO 0.12 ppm
NH3 0.04 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 – 0.53 µg/m³
PM10 – 0.89 µg/m³
O3 – 87.09 µg/m³
NO2 – 1.51 µg/m³
SO2 – 0.46 µg/m³
CO – 143.08 µg/m³
NH3 – 0.04 µg/m³
NO – 0.01 µg/m³
View Hourly Air Quality Forecast

Weather Alerts and Warnings for Boston

Extreme Expected Likely

Blizzard Warning

Blizzard Warning issued February 22 at 11:16AM EST until February 24 at 7:00AM EST by NWS Boston/Norton MA
Feb 22, 4:00 PM → Feb 24, 7:00 AM
WHAT: Blizzard conditions expected. Total snow accumulations
between 18 and 25 inches. Winds gusting as high as 75 mph.

WHERE: Portions of eastern, northeastern, and southeastern
Massachusetts and northern and southern Rhode Island.

WHEN: From 4 PM this afternoon to 7 AM EST Tuesday.

IMPACTS: Visibilities may drop below 1/4 mile due to falling and
blowing snow. The strong winds and weight of snow on tree limbs
may down power lines and could cause sporadic power outages.
Whiteout conditions are expected and will make travel treacherous
and potentially life-threatening. Travel could be very difficult
to impossible. Areas of blowing snow could significantly reduce
visibility. The hazardous conditions could impact the Monday
morning and evening commutes. Very strong winds could cause
extensive tree damage.
+ Read More
Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle.
Updated: Feb 22, 5:04 PM Source: NWS Alert
Severe Future Possible

Winter Storm Watch

Winter Storm Watch issued February 21 at 3:11AM EST until February 24 at 7:00AM EST by NWS Boston/Norton MA
Feb 22, 1:00 PM → Feb 24, 7:00 AM
WHAT: Heavy snow possible. Total snow accumulations between 6 and
15 inches possible. Winds could gust as high as 50 mph.

WHERE: All of Massachusetts east of the Berkshires except for
southeastern Massachusetts.

WHEN: From Sunday afternoon through Tuesday morning.

IMPACTS: Travel could be very difficult to impossible. The
hazardous conditions could impact the Monday morning and evening
commutes. Gusty winds could bring down tree branches.
+ Read More
Monitor the latest forecasts for updates on this situation.
Updated: Feb 21, 9:28 AM Source: NWS Alert