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.

A Few Clouds

72°F

22°C

Humidity 73%
Wind Speed Vrbl 5 mph
Barometer 29.94 in (1013.7 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 20 Aug 6:54 am EDT
Extended Forecast for

Dorchester MA

  • Today

    Today: Increasing clouds, with a high near 85. Northwest wind around 6 mph becoming calm.

    High: 85 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Showers likely, mainly between 10pm and 11pm. Mostly cloudy, with a low around 65. Northwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 65 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, mainly after 4pm. Partly sunny, with a high near 77. Northeast wind 6 to 9 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 77 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 9pm, then a chance of showers after 10pm. Mostly cloudy, with a low around 64. Northeast wind 3 to 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 5pm. High near 73. Northeast wind 8 to 10 mph. Chance of precipitation is 90%.

    High: 73 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 65. Northeast wind 3 to 5 mph. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers after 8am. Mostly cloudy, with a high near 81. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 10pm. Mostly cloudy, with a low around 66. South wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83. West wind 6 to 9 mph.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 85. Northwest wind around 6 mph becoming calm.
Tonight
Showers likely, mainly between 10pm and 11pm. Mostly cloudy, with a low around 65. Northwest wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A chance of showers, mainly after 4pm. Partly sunny, with a high near 77. Northeast wind 6 to 9 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of showers before 9pm, then a chance of showers after 10pm. Mostly cloudy, with a low around 64. Northeast wind 3 to 5 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers, with thunderstorms also possible after 5pm. High near 73. Northeast wind 8 to 10 mph. Chance of precipitation is 90%.
Saturday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 65. Northeast wind 3 to 5 mph. Chance of precipitation is 60%.
Sunday
A chance of showers after 8am. Mostly cloudy, with a high near 81. Light and variable wind becoming south around 6 mph in the morning. Chance of precipitation is 40%.
Sunday Night
A chance of showers before 10pm. Mostly cloudy, with a low around 66. South wind 3 to 5 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 83. West wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 62. West wind around 6 mph.
Tuesday
Sunny, with a high near 82. West wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 62. West wind around 6 mph.
Wednesday
Sunny, with a high near 83. Southwest wind around 6 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:
2:31 am EDT Aug 20, 2026
Forecast Valid:
7am EDT Aug 20, 2026-6pm EDT Aug 26, 2026
 
Forecast Discussion
 
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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