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.

Fair

35°F

2°C

Humidity 82%
Wind Speed Calm
Barometer 30.31 in (1026.1 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 8 Jan 11:54 pm EST
Extended Forecast for

Dorchester MA

  • Overnight

    Overnight: Patchy freezing fog. Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Patchy
    Freezing Fog

  • Friday

    Friday: A chance of rain, mainly after 5pm. Patchy freezing fog before 8am. Mostly cloudy, with a high near 50. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    High: 50 °F

    Patchy
    Freezing Fog
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 11pm. Patchy fog between 8pm and 1am. Otherwise, cloudy, with a low around 40. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain Likely
    and Patchy
    Fog

  • Saturday

    Saturday: Rain likely, mainly after 4pm. Cloudy, with a high near 46. West wind around 6 mph becoming northeast in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Mostly Cloudy
    then Rain
    Likely

  • Saturday Night

    Saturday Night: Rain. Low around 37. Northeast wind around 6 mph. Chance of precipitation is 90%.

    Low: 37 °F

    Rain

  • Sunday

    Sunday: Rain likely, mainly before 10am. Cloudy, with a high near 43. North wind 6 to 8 mph. Chance of precipitation is 60%.

    High: 43 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of rain before 11pm. Partly cloudy, with a low around 28. West wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Chance Rain
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 37. West wind 10 to 14 mph, with gusts as high as 24 mph.

    High: 37 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. Southwest wind around 7 mph.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy freezing fog. Partly cloudy, with a low around 26. Calm wind.
Friday
A chance of rain, mainly after 5pm. Patchy freezing fog before 8am. Mostly cloudy, with a high near 50. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Friday Night
Rain likely, mainly before 11pm. Patchy fog between 8pm and 1am. Otherwise, cloudy, with a low around 40. South wind 7 to 10 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain likely, mainly after 4pm. Cloudy, with a high near 46. West wind around 6 mph becoming northeast in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Rain. Low around 37. Northeast wind around 6 mph. Chance of precipitation is 90%.
Sunday
Rain likely, mainly before 10am. Cloudy, with a high near 43. North wind 6 to 8 mph. Chance of precipitation is 60%.
Sunday Night
A chance of rain before 11pm. Partly cloudy, with a low around 28. West wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 37. West wind 10 to 14 mph, with gusts as high as 24 mph.
Monday Night
Mostly cloudy, with a low around 29. Southwest wind around 7 mph.
Tuesday
Mostly sunny, with a high near 43. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 33. Southwest wind around 6 mph.
Wednesday
Mostly cloudy, with a high near 46. Southwest wind 6 to 9 mph.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 32. Southwest wind around 6 mph. Chance of precipitation is 30%.
Thursday
A chance of rain. Partly sunny, with a high near 40. West wind 6 to 8 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Dorchester MA
 42.32°N 71.08°W (Elev. 62 ft)
Last Update:
1:10 pm EST Jan 8, 2026
Forecast Valid:
12am EST Jan 9, 2026-6pm EST Jan 15, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation