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.

Light Rain

67°F

19°C

Humidity 93%
Wind Speed S 9 mph
Barometer 29.92 in (1013.0 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 17 Aug 5:54 am EDT
Extended Forecast for

Dorchester MA

  • Today

    Today: Showers likely, mainly between 7am and 9am. Patchy fog between noon and 1pm. Otherwise, mostly 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

  • Tonight

    Tonight: A slight chance of showers before 2am. Patchy fog. Otherwise, mostly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers after 3pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 80. North wind 5 to 7 mph becoming northeast in the afternoon. Chance of precipitation is 20%.

    High: 80 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • 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 88. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. Southwest wind around 5 mph.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers after 1pm. Mostly sunny, with a high near 85. Northwest wind around 6 mph becoming northeast in the afternoon. Chance of precipitation is 30%.

    High: 85 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 9pm. Partly cloudy, with a low around 64. Light and variable wind. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81. East wind 5 to 8 mph.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Today
Showers likely, mainly between 7am and 9am. Patchy fog between noon and 1pm. Otherwise, mostly 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.
Tonight
A slight chance of showers before 2am. Patchy fog. Otherwise, mostly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 20%.
Tuesday
A slight chance of showers after 3pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 80. North wind 5 to 7 mph becoming northeast in the afternoon. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 65. Calm wind.
Wednesday
Sunny, with a high near 88. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 68. Southwest wind around 5 mph.
Thursday
A chance of showers after 1pm. Mostly sunny, with a high near 85. Northwest wind around 6 mph becoming northeast in the afternoon. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 9pm. Partly cloudy, with a low around 64. Light and variable wind. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 81. East wind 5 to 8 mph.
Friday Night
Partly cloudy, with a low around 63. Light east wind.
Saturday
A chance of showers. Partly sunny, with a high near 79. East wind 3 to 8 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 63. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 79. Northeast wind 6 to 8 mph. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dorchester MA
 42.27°N 71.06°W (Elev. 3 ft)
Last Update:
4:34 am EDT Aug 17, 2026
Forecast Valid:
6am 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