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

81°F

27°C

Humidity 45%
Wind Speed S 18 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 27 Aug 3:54 pm EDT
Extended Forecast for

Dorchester MA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 70. South wind 5 to 13 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, mainly between 2pm and 5pm. Partly sunny, with a high near 82. Southwest wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 7pm. Mostly cloudy, with a low around 65. Light and variable wind becoming northwest around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 65 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 79. North wind around 6 mph becoming east in the afternoon.

    High: 79 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. Southwest wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86. West wind 5 to 10 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68. Southwest wind 5 to 7 mph.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 81. Northwest wind 5 to 7 mph becoming east in the afternoon.

    High: 81 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 66. Light southeast wind. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 70. South wind 5 to 13 mph. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms, mainly between 2pm and 5pm. Partly sunny, with a high near 82. Southwest wind 3 to 6 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers before 7pm. Mostly cloudy, with a low around 65. Light and variable wind becoming northwest around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 79. North wind around 6 mph becoming east in the afternoon.
Saturday Night
Mostly clear, with a low around 60. Southwest wind around 5 mph.
Sunday
Sunny, with a high near 86. West wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 68. Southwest wind 5 to 7 mph.
Monday
Partly sunny, with a high near 81. Northwest wind 5 to 7 mph becoming east in the afternoon.
Monday Night
A chance of showers. Mostly cloudy, with a low around 66. Light southeast wind. Chance of precipitation is 30%.
Tuesday
A chance of showers before 10am, then a chance of showers after 1pm. Partly sunny, with a high near 78. East wind 5 to 8 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 65. East wind 3 to 5 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 78. Southeast wind 6 to 9 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 66. East wind around 7 mph. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 78. East wind 7 to 9 mph. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dorchester MA
 42.29°N 71.06°W (Elev. 33 ft)
Last Update:
2:36 pm EDT Aug 27, 2026
Forecast Valid:
4pm EDT Aug 27, 2026-6pm EDT Sep 3, 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