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.

Fair

80°F

27°C

Humidity 74%
Wind Speed W 7 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 23 Jun 12:54 am EDT
Extended Forecast for

Winthrop MA

Extreme Heat Warning June 23, 01:30am until June 24, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 23, 01:30am until June 24, 08:00pm

    NOW until 8:00pm Tue

    Extreme Heat Warning

  • Overnight

    Low: 70 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83. Northeast wind 5 to 9 mph becoming east in the morning.

    High: 83 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. South wind around 9 mph becoming southwest after midnight.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. Heat index values as high as 105. West wind around 9 mph.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. West wind around 8 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. North wind 8 to 10 mph becoming east in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66. Southeast wind around 6 mph.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers after 11am. Mostly cloudy, with a high near 73. East wind 6 to 10 mph. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 70. North wind around 6 mph.
Monday
Mostly sunny, with a high near 83. Northeast wind 5 to 9 mph becoming east in the morning.
Monday Night
Mostly clear, with a low around 73. South wind around 9 mph becoming southwest after midnight.
Tuesday
Sunny and hot, with a high near 100. Heat index values as high as 105. West wind around 9 mph.
Tuesday Night
Mostly clear, with a low around 77. West wind around 8 mph.
Wednesday
Mostly sunny, with a high near 86. North wind 8 to 10 mph becoming east in the afternoon.
Wednesday Night
Partly cloudy, with a low around 66. Southeast wind around 6 mph.
Thursday
A chance of showers after 11am. Mostly cloudy, with a high near 73. East wind 6 to 10 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 61. Northeast wind around 7 mph. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 68. East wind 7 to 10 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 62. East wind 6 to 8 mph. Chance of precipitation is 50%.
Saturday
A chance of showers. Mostly cloudy, with a high near 71. East wind 8 to 11 mph. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 64. East wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 75. North wind 6 to 9 mph becoming southeast 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:
6:51 pm EDT Jun 22, 2025
Forecast Valid:
1am EDT Jun 23, 2025-6pm EDT Jun 29, 2025
 
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