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

41°F

5°C

Humidity 96%
Wind Speed Calm
Barometer 29.70 in (1005.6 mb)
Dewpoint 40°F (4°C)
Visibility 7.00 mi
Last update 11 Mar 9:54 pm EDT
Extended Forecast for

Dorchester MA

  • Tonight

    Tonight: A chance of showers, mainly between 11pm and 5am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 44. South wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Slight Chance
    Showers then
    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers. Cloudy, with a temperature falling to around 42 by 5pm. Southwest wind 10 to 14 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F⇓

    Chance
    Showers

  • Thursday Night

    Thursday Night: Cloudy during the early evening, then gradual clearing, with a low around 30. West wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Gradual
    Clearing

  • Friday

    Friday: Increasing clouds, with a high near 44. South wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 44 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of rain between 10pm and 2am. Mostly cloudy, with a low around 37. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 48. West wind 10 to 16 mph, with gusts as high as 30 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29. West wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly cloudy, with a high near 44. Light and variable wind becoming east around 6 mph in the morning.

    High: 44 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain likely, mainly after 5am. Cloudy, with a low around 37. Southeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Cloudy then
    Rain Likely

Detailed Forecast

Tonight
A chance of showers, mainly between 11pm and 5am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 44. South wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers. Cloudy, with a temperature falling to around 42 by 5pm. Southwest wind 10 to 14 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Cloudy during the early evening, then gradual clearing, with a low around 30. West wind 8 to 10 mph, with gusts as high as 21 mph.
Friday
Increasing clouds, with a high near 44. South wind 6 to 10 mph, with gusts as high as 21 mph.
Friday Night
A slight chance of rain between 10pm and 2am. Mostly cloudy, with a low around 37. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 48. West wind 10 to 16 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 29. West wind 6 to 11 mph, with gusts as high as 23 mph.
Sunday
Mostly cloudy, with a high near 44. Light and variable wind becoming east around 6 mph in the morning.
Sunday Night
Rain likely, mainly after 5am. Cloudy, with a low around 37. Southeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Monday
Rain. High near 59. South wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Monday Night
Rain likely. Mostly cloudy, with a low around 32. South wind 11 to 13 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Tuesday
Mostly sunny, with a high near 41. West wind 10 to 13 mph, with gusts as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 23. West wind 7 to 9 mph.
Wednesday
Mostly sunny, with a high near 38. West wind 6 to 8 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:
4:43 pm EDT Mar 11, 2026
Forecast Valid:
10pm EDT Mar 11, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation