National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Overcast

35°F

2°C

Humidity 76%
Wind Speed NE 15 mph
Barometer 30.10 in (1019.2 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 22 Feb 3:54 pm EST
Extended Forecast for

Dorchester MA

Coastal Flood Advisory February 23, 01:00am until February 23, 07:00am
Blizzard Warning until February 24, 07:00am
Click here for hazard details and duration
Coastal Flood Advisory
Blizzard Warning
  •  
    Blizzard Warning until February 24, 07:00am

    NOW until 7:00am Tue

    Blizzard Warning

  • This Afternoon

    High: 37 °F

    Cloudy

  • Tonight

    Tonight: Snow, mainly after 10pm. The snow could be heavy at times. Areas of blowing snow after 3am. Low around 28. Windy, with a northeast wind 10 to 20 mph increasing to 20 to 30 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    Low: 28 °F

    Snow Likely
    then Heavy
    Snow and
    Areas Blowing
    Snow

  • Monday

    Monday: Snow. The snow could be heavy at times. Areas of blowing snow before 3pm. High near 29. Windy, with a north wind 26 to 31 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.

    High: 29 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: A chance of snow, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 22. Northwest wind 10 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.

    Low: 22 °F

    Chance Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow after 5am. Partly cloudy, with a low around 12. West wind 3 to 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 12 °F

    Mostly Clear
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow before 11am, then snow, possibly mixed with rain between 11am and 2pm, then rain likely after 2pm. High near 38. South wind 5 to 9 mph. Chance of precipitation is 80%.

    High: 38 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 7pm, then a chance of snow between 7pm and 8pm. Partly cloudy, with a low around 28. Southwest wind around 7 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

Detailed Forecast

This Afternoon
Cloudy, with a high near 37. East wind around 9 mph.
Tonight
Snow, mainly after 10pm. The snow could be heavy at times. Areas of blowing snow after 3am. Low around 28. Windy, with a northeast wind 10 to 20 mph increasing to 20 to 30 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Monday
Snow. The snow could be heavy at times. Areas of blowing snow before 3pm. High near 29. Windy, with a north wind 26 to 31 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.
Monday Night
A chance of snow, mainly before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 22. Northwest wind 10 to 14 mph, with gusts as high as 32 mph. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.
Tuesday
Mostly sunny, with a high near 32. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A chance of snow after 5am. Partly cloudy, with a low around 12. West wind 3 to 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
Snow before 11am, then snow, possibly mixed with rain between 11am and 2pm, then rain likely after 2pm. High near 38. South wind 5 to 9 mph. Chance of precipitation is 80%.
Wednesday Night
A chance of rain and snow before 7pm, then a chance of snow between 7pm and 8pm. Partly cloudy, with a low around 28. Southwest wind around 7 mph. Chance of precipitation is 30%.
Thursday
A chance of rain after 1pm. Partly sunny, with a high near 39. West wind around 7 mph becoming south in the afternoon. Chance of precipitation is 40%.
Thursday Night
Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 30. Southeast wind around 7 mph becoming southwest after midnight. Chance of precipitation is 70%.
Friday
A chance of rain and snow. Partly sunny, with a high near 42. Southwest wind around 8 mph. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 24. West wind around 6 mph.
Saturday
Mostly sunny, with a high near 42. South wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 32. Southwest wind around 7 mph.
Sunday
Partly sunny, with a high near 43.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dorchester MA
 42.32°N 71.08°W (Elev. 62 ft)
Last Update:
2:39 pm EST Feb 22, 2026
Forecast Valid:
4pm EST Feb 22, 2026-6pm EST Mar 1, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation