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

65°F

18°C

Humidity 93%
Wind Speed N 6 mph
Barometer 29.90 in (1012.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 23 Aug 4:54 am EDT
Extended Forecast for

Dorchester MA

  • Today

    Today: A chance of showers, mainly between 1pm and 5pm. Patchy fog before 2pm. Otherwise, mostly cloudy, with a high near 77. East wind 3 to 7 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 77 °F

    Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: Patchy fog between 11pm and 1am. Otherwise, mostly cloudy, with a low around 66. South wind around 6 mph becoming southwest after midnight.

    Low: 66 °F

    Patchy Fog

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 82. Southwest wind 5 to 11 mph.

    High: 82 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 62. Southwest wind 5 to 7 mph.

    Low: 62 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79. Southwest wind 7 to 11 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. West wind around 7 mph.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. West wind around 7 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 64. Southwest wind 3 to 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 84. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers, mainly between 1pm and 5pm. Patchy fog before 2pm. Otherwise, mostly cloudy, with a high near 77. East wind 3 to 7 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Patchy fog between 11pm and 1am. Otherwise, mostly cloudy, with a low around 66. South wind around 6 mph becoming southwest after midnight.
Monday
Partly sunny, then gradually becoming sunny, with a high near 82. Southwest wind 5 to 11 mph.
Monday Night
Mostly clear, with a low around 62. Southwest wind 5 to 7 mph.
Tuesday
Sunny, with a high near 79. Southwest wind 7 to 11 mph.
Tuesday Night
Mostly clear, with a low around 62. West wind around 7 mph.
Wednesday
Sunny, with a high near 82. West wind around 7 mph.
Wednesday Night
Partly cloudy, with a low around 64. Southwest wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 84. Calm wind becoming south 5 to 9 mph in the afternoon.
Thursday Night
A chance of showers after 10pm. Mostly cloudy, with a low around 67. South wind 5 to 8 mph. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 83. South wind 5 to 8 mph. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 67. South wind around 5 mph becoming west after midnight.
Saturday
Mostly sunny, with a high near 84. West 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:
2:30 am EDT Aug 23, 2026
Forecast Valid:
5am EDT Aug 23, 2026-6pm EDT Aug 29, 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