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.

Mostly Cloudy

81°F

27°C

Humidity 72%
Wind Speed E 14 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 15 Jul 1:54 pm EDT
Extended Forecast for

Winthrop MA

Heat Advisory July 15, 02:44pm until July 17, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 15, 02:44pm until July 17, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 72. Southwest wind 6 to 8 mph.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. South wind 5 to 10 mph.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 75. Southwest wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind 8 to 11 mph. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. Southwest wind 7 to 9 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 86. West wind around 9 mph. Chance of precipitation is 30%.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67. North wind around 6 mph.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 87. Southeast wind around 7 mph.
Tonight
Mostly clear, with a low around 72. Southwest wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 89. South wind 5 to 10 mph.
Wednesday Night
A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 75. Southwest wind 7 to 9 mph. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind 8 to 11 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. Southwest wind 7 to 9 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 86. West wind around 9 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 67. North wind around 6 mph.
Saturday
Sunny, with a high near 79. North wind 6 to 8 mph becoming east in the afternoon.
Saturday Night
Partly cloudy, with a low around 67. Southwest wind around 6 mph.
Sunday
A chance of showers. Partly sunny, with a high near 81. South wind 5 to 10 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 68. South wind 6 to 8 mph. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 79. West wind 7 to 9 mph becoming northeast in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Winthrop MA
 42.37°N 70.98°W (Elev. 3 ft)
Last Update:
7:45 am EDT Jul 15, 2025
Forecast Valid:
2pm EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
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