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

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Overcast

25°F

-4°C

Humidity 40%
Wind Speed S 13 mph
Barometer 30.38 in (1028.7 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 21 Jan 1:54 pm EST
Extended Forecast for

Dorchester MA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 27. South wind around 9 mph.

    High: 27 °F

    Partly Sunny

  • Tonight

    Tonight: Snow likely, mainly before 11pm. Mostly cloudy, with a temperature rising to around 35 by 4am. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 27 °F⇑

    Snow Likely

  • Thursday

    Thursday: Mostly sunny, with a high near 42. Southwest wind 9 to 11 mph, with gusts as high as 23 mph.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22. West wind around 7 mph.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 30. West wind 6 to 13 mph, with gusts as high as 26 mph.

    High: 30 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 4. West wind around 10 mph, with gusts as high as 26 mph.

    Low: 4 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 14. Northwest wind around 10 mph, with gusts as high as 25 mph.

    High: 14 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 5. Northwest wind around 7 mph.

    Low: 5 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 18. North wind 6 to 8 mph. Chance of precipitation is 50%.

    High: 18 °F

    Chance Snow

Detailed Forecast

This Afternoon
Partly sunny, with a high near 27. South wind around 9 mph.
Tonight
Snow likely, mainly before 11pm. Mostly cloudy, with a temperature rising to around 35 by 4am. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday
Mostly sunny, with a high near 42. Southwest wind 9 to 11 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 22. West wind around 7 mph.
Friday
Partly sunny, with a high near 30. West wind 6 to 13 mph, with gusts as high as 26 mph.
Friday Night
Partly cloudy, with a low around 4. West wind around 10 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny, with a high near 14. Northwest wind around 10 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 5. Northwest wind around 7 mph.
Sunday
A chance of snow. Mostly cloudy, with a high near 18. North wind 6 to 8 mph. Chance of precipitation is 50%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 12. North wind around 8 mph. Chance of precipitation is 50%.
Monday
A chance of snow. Mostly cloudy, with a high near 24. North wind around 9 mph. Chance of precipitation is 50%.
Monday Night
A chance of snow. Partly cloudy, with a low around 10. West wind around 7 mph. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 24. West wind 7 to 10 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dorchester MA
 42.32°N 71.08°W (Elev. 62 ft)
Last Update:
8:08 am EST Jan 21, 2026
Forecast Valid:
2pm EST Jan 21, 2026-6pm EST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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