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.

Partly Cloudy

42°F

6°C

Humidity 73%
Wind Speed SW 9 mph
Barometer 29.66 in (1004.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 14 Jan 6:54 am EST
Extended Forecast for

Dorchester MA

  • Today

    Today: Mostly cloudy, with a high near 53. Southwest wind around 11 mph.

    High: 53 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers, mainly between 8pm and 5am. Patchy fog after midnight. Otherwise, cloudy, with a low around 40. South wind around 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of rain showers between 9am and 3pm, then a slight chance of snow showers after 3pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a temperature falling to around 34 by 5pm. Breezy, with a south wind 9 to 14 mph becoming southwest 15 to 20 mph in the afternoon. Chance of precipitation is 20%.

    High: 42 °F⇓

    Slight Chance
    Rain/Snow and
    Patchy Fog

  • Thursday Night

    Thursday Night: A slight chance of snow showers before 1am. Partly cloudy, with a low around 17. West wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    Low: 17 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: Sunny, with a high near 32. Breezy, with a west wind 11 to 21 mph, with gusts as high as 33 mph.

    High: 32 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27. Southwest wind 7 to 10 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain after 11am. Mostly cloudy, with a high near 42. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 42 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain before 3am, then a chance of snow. Mostly cloudy, with a low around 29. Southwest wind around 6 mph. Chance of precipitation is 40%.

    Low: 29 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 35. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 35 °F

    Chance Snow

Detailed Forecast

Today
Mostly cloudy, with a high near 53. Southwest wind around 11 mph.
Tonight
A chance of showers, mainly between 8pm and 5am. Patchy fog after midnight. Otherwise, cloudy, with a low around 40. South wind around 8 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A slight chance of rain showers between 9am and 3pm, then a slight chance of snow showers after 3pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a temperature falling to around 34 by 5pm. Breezy, with a south wind 9 to 14 mph becoming southwest 15 to 20 mph in the afternoon. Chance of precipitation is 20%.
Thursday Night
A slight chance of snow showers before 1am. Partly cloudy, with a low around 17. West wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 32. Breezy, with a west wind 11 to 21 mph, with gusts as high as 33 mph.
Friday Night
Mostly cloudy, with a low around 27. Southwest wind 7 to 10 mph, with gusts as high as 23 mph.
Saturday
A chance of rain after 11am. Mostly cloudy, with a high near 42. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday Night
A chance of rain before 3am, then a chance of snow. Mostly cloudy, with a low around 29. Southwest wind around 6 mph. Chance of precipitation is 40%.
Sunday
A chance of snow. Mostly cloudy, with a high near 35. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Sunday Night
A chance of snow before 9pm. Partly cloudy, with a low around 22. West wind around 8 mph. Chance of precipitation is 30%.
M.L.King Day
Mostly sunny, with a high near 33. West wind 8 to 10 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 22. Southwest wind around 8 mph.
Tuesday
Mostly sunny, with a high near 30. West wind 9 to 14 mph, with gusts as high as 25 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dorchester MA
 42.32°N 71.05°W (Elev. 36 ft)
Last Update:
6:03 am EST Jan 14, 2026
Forecast Valid:
7am EST Jan 14, 2026-6pm EST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation