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.

Mostly Cloudy

65°F

18°C

Humidity 70%
Wind Speed SE 9 mph
Barometer 30.24 in (1024.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 27 Jun 8:54 pm EDT
Extended Forecast for

Winthrop MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. South wind 8 to 10 mph.

    Low: 63 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, mainly before 1pm. Patchy fog after 9am. Otherwise, cloudy, with a high near 74. South wind 7 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 3am. Patchy fog between 1am and 3am. Otherwise, mostly cloudy, with a low around 69. South wind around 11 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Northwest wind around 10 mph.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. East wind around 7 mph becoming west after midnight.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 82. North wind 5 to 10 mph becoming southeast in the morning.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71. South wind 11 to 13 mph.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 82. Southwest wind 14 to 17 mph. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 71. West wind 11 to 14 mph. Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 63. South wind 8 to 10 mph.
Saturday
A chance of showers, mainly before 1pm. Patchy fog after 9am. Otherwise, cloudy, with a high near 74. South wind 7 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 3am. Patchy fog between 1am and 3am. Otherwise, mostly cloudy, with a low around 69. South wind around 11 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 79. Northwest wind around 10 mph.
Sunday Night
Mostly clear, with a low around 66. East wind around 7 mph becoming west after midnight.
Monday
Mostly sunny, with a high near 82. North wind 5 to 10 mph becoming southeast in the morning.
Monday Night
Partly cloudy, with a low around 71. South wind 11 to 13 mph.
Tuesday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 82. Southwest wind 14 to 17 mph. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 71. West wind 11 to 14 mph. Chance of precipitation is 40%.
Wednesday
Mostly sunny, with a high near 83. West wind 10 to 15 mph.
Wednesday Night
Mostly clear, with a low around 69. West wind 9 to 14 mph.
Thursday
Sunny, with a high near 82. West wind 10 to 14 mph.
Thursday Night
Partly cloudy, with a low around 68. West wind 9 to 11 mph.
Independence Day
Sunny, with a high near 79. Southwest wind 9 to 13 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Winthrop MA
 42.39°N 70.97°W (Elev. 0 ft)
Last Update:
6:59 pm EDT Jun 27, 2025
Forecast Valid:
9pm EDT Jun 27, 2025-6pm EDT Jul 4, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation