National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Overcast

72°F

22°C

Humidity 84%
Wind Speed S 8 mph
Barometer 29.93 in (1013.6 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 18 Jun 11:54 am EDT
Extended Forecast for

Dorchester MA

Heat Advisory June 19, 11:00am until June 19, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: A slight chance of showers before 1pm. Mostly cloudy, with a high near 79. Southwest wind around 8 mph. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers before 9pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 67. South wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Juneteenth

    Juneteenth: Partly sunny, then gradually becoming sunny and hot, with a high near 95. Heat index values as high as 101. Southwest wind 6 to 13 mph.

    High: 95 °F

    Hot

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 68. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Scattered
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 81. Northwest wind around 11 mph, with gusts as high as 21 mph.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. West wind around 6 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 85. West wind 5 to 7 mph.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 69. Southwest wind around 6 mph.

    Low: 69 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 87. Southwest wind 7 to 10 mph.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers before 1pm. Mostly cloudy, with a high near 79. Southwest wind around 8 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers before 9pm. Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 67. South wind 3 to 7 mph. Chance of precipitation is 20%.
Juneteenth
Partly sunny, then gradually becoming sunny and hot, with a high near 95. Heat index values as high as 101. Southwest wind 6 to 13 mph.
Thursday Night
Scattered showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 68. Southwest wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 81. Northwest wind around 11 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 63. West wind around 6 mph.
Saturday
Mostly sunny, with a high near 85. West wind 5 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 69. Southwest wind around 6 mph.
Sunday
Mostly sunny, with a high near 87. Southwest wind 7 to 10 mph.
Sunday Night
Partly cloudy, with a low around 71. Southwest wind around 6 mph.
Monday
Mostly sunny and hot, with a high near 91. West wind 6 to 8 mph.
Monday Night
Partly cloudy, with a low around 73. Southwest wind around 7 mph.
Tuesday
Mostly sunny and hot, with a high near 94. West wind 6 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dorchester MA
 42.3°N 71.09°W (Elev. 89 ft)
Last Update:
8:28 am EDT Jun 18, 2025
Forecast Valid:
12pm EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation