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.

A Few Clouds

71°F

22°C

Humidity 51%
Wind Speed N 12 mph
Barometer 30.11 in (1019.6 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 15 Aug 12:54 am EDT
Extended Forecast for

Winthrop MA

  • Overnight

    Overnight: Mostly clear, with a low around 64. North wind around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75. Light and variable wind becoming east 5 to 8 mph in the afternoon.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. Southeast wind around 6 mph becoming light and variable in the evening.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79. Light and variable wind becoming southeast 6 to 11 mph in the afternoon.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 3am. Mostly cloudy, with a low around 67. South wind 9 to 11 mph. Chance of precipitation is 60%.

    Low: 67 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 75. East wind 10 to 13 mph. Chance of precipitation is 70%.

    High: 75 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 66. North wind around 6 mph.

    Low: 66 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. North wind 5 to 7 mph becoming east in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. Light and variable wind.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 64. North wind around 5 mph.
Saturday
Sunny, with a high near 75. Light and variable wind becoming east 5 to 8 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 63. Southeast wind around 6 mph becoming light and variable in the evening.
Sunday
Sunny, with a high near 79. Light and variable wind becoming southeast 6 to 11 mph in the afternoon.
Sunday Night
Showers likely, mainly after 3am. Mostly cloudy, with a low around 67. South wind 9 to 11 mph. Chance of precipitation is 60%.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 75. East wind 10 to 13 mph. Chance of precipitation is 70%.
Monday Night
Mostly cloudy, with a low around 66. North wind around 6 mph.
Tuesday
Mostly sunny, with a high near 78. North wind 5 to 7 mph becoming east in the afternoon.
Tuesday Night
Mostly clear, with a low around 67. Light and variable wind.
Wednesday
Sunny, with a high near 82. Light and variable wind becoming southeast 5 to 9 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 70. Southwest wind 7 to 9 mph.
Thursday
A chance of showers. Mostly sunny, with a high near 82. Southwest wind 8 to 11 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 66. Northwest wind around 7 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 75. North wind 8 to 10 mph becoming east in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winthrop MA
 42.37°N 70.98°W (Elev. 3 ft)
Last Update:
1:04 am EDT Aug 15, 2026
Forecast Valid:
1am EDT Aug 15, 2026-6pm EDT Aug 21, 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