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.

Overcast

64°F

18°C

Humidity 41%
Wind Speed NA
Barometer 30.19 in (1022.2 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 21 May 9:54 am EDT
Extended Forecast for

Winthrop MA

  • Today

    Today: A slight chance of showers before 11am. Cloudy, with a high near 59. East wind around 8 mph. Chance of precipitation is 20%.

    High: 59 °F

    Slight Chance
    Showers then
    Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 50. Light and variable wind becoming north 5 to 8 mph after midnight.

    Low: 50 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 58. Northeast wind around 10 mph becoming east in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 51. Southeast wind around 6 mph becoming calm after midnight.

    Low: 51 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 59. Calm wind becoming east 5 to 9 mph in the morning.

    High: 59 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly after 5am. Cloudy, with a low around 50. East wind 6 to 8 mph. Chance of precipitation is 60%.

    Low: 50 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Showers. High near 57. East wind 13 to 15 mph. Chance of precipitation is 80%.

    High: 57 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 52. East wind 9 to 14 mph. Chance of precipitation is 70%.

    Low: 52 °F

    Showers
    Likely

  • Memorial Day

    Memorial Day: A chance of showers. Mostly cloudy, with a high near 64. North wind around 7 mph. Chance of precipitation is 40%.

    High: 64 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of showers before 11am. Cloudy, with a high near 59. East wind around 8 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 50. Light and variable wind becoming north 5 to 8 mph after midnight.
Friday
Mostly sunny, with a high near 58. Northeast wind around 10 mph becoming east in the afternoon.
Friday Night
Mostly cloudy, with a low around 51. Southeast wind around 6 mph becoming calm after midnight.
Saturday
Mostly cloudy, with a high near 59. Calm wind becoming east 5 to 9 mph in the morning.
Saturday Night
Showers likely, mainly after 5am. Cloudy, with a low around 50. East wind 6 to 8 mph. Chance of precipitation is 60%.
Sunday
Showers. High near 57. East wind 13 to 15 mph. Chance of precipitation is 80%.
Sunday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 52. East wind 9 to 14 mph. Chance of precipitation is 70%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 64. North wind around 7 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers before 10pm. Mostly cloudy, with a low around 54. South wind around 6 mph becoming west after midnight. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 72. Northwest wind 5 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 57. West wind around 7 mph.
Wednesday
Mostly sunny, with a high near 73. North wind 7 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winthrop MA
 42.39°N 70.97°W (Elev. 0 ft)
Last Update:
6:42 am EDT May 21, 2026
Forecast Valid:
10am EDT May 21, 2026-6pm EDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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