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

72°F

22°C

Humidity 73%
Wind Speed S 13 mph
Barometer 29.96 in (1014.5 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 16 Aug 11:54 pm EDT
Extended Forecast for

Dorchester MA

  • Overnight

    Overnight: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 66. South wind around 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 66 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly before 8am. Patchy fog before noon. Otherwise, cloudy, with a high near 75. South wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 75 °F

    Showers
    Likely and
    Patchy Fog
    then Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers between 10pm and 1am. Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 67. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Partly sunny, with a high near 80. North wind around 7 mph becoming northeast in the afternoon.

    High: 80 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 87 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. Southwest wind around 6 mph.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers after 7am. Partly sunny, with a high near 82. Northwest wind 5 to 7 mph. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 9pm. Partly cloudy, with a low around 61. Light northwest wind. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 66. South wind around 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers likely, mainly before 8am. Patchy fog before noon. Otherwise, cloudy, with a high near 75. South wind around 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
A slight chance of showers between 10pm and 1am. Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 67. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 80. North wind around 7 mph becoming northeast in the afternoon.
Tuesday Night
Partly cloudy, with a low around 65. Calm wind.
Wednesday
Sunny, with a high near 87. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 67. Southwest wind around 6 mph.
Thursday
A chance of showers after 7am. Partly sunny, with a high near 82. Northwest wind 5 to 7 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers before 9pm. Partly cloudy, with a low around 61. Light northwest wind. Chance of precipitation is 30%.
Friday
Sunny, with a high near 79. Northwest wind 5 to 7 mph becoming east in the afternoon.
Friday Night
Partly cloudy, with a low around 61. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 79. Northeast wind 3 to 8 mph.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 63. Southeast wind 3 to 5 mph. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 82. North wind 5 to 8 mph becoming south in the afternoon. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dorchester MA
 42.3°N 71.09°W (Elev. 89 ft)
Last Update:
12:24 pm EDT Aug 16, 2026
Forecast Valid:
12am EDT Aug 17, 2026-6pm EDT Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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