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.

Partly Cloudy

67°F

19°C

Humidity 61%
Wind Speed Calm
Barometer 30.17 in (1021.7 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 25 Jul 2:54 am EDT
Extended Forecast for

Winthrop MA

  • Overnight

    Overnight: Clear, with a low around 64. Light southwest wind.

    Low: 64 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 77. Light southeast wind becoming east 6 to 11 mph in the afternoon.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. East wind around 6 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73. East wind 6 to 10 mph.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. East wind around 6 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78. Light and variable wind becoming east 5 to 10 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. South wind 6 to 9 mph.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers between 7am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. South wind 7 to 15 mph. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. South wind 10 to 13 mph. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

Detailed Forecast

Overnight
Clear, with a low around 64. Light southwest wind.
Saturday
Sunny, with a high near 77. Light southeast wind becoming east 6 to 11 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 61. East wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 73. East wind 6 to 10 mph.
Sunday Night
Partly cloudy, with a low around 61. East wind around 6 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 78. Light and variable wind becoming east 5 to 10 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 63. South wind 6 to 9 mph.
Tuesday
A chance of showers between 7am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. South wind 7 to 15 mph. Chance of precipitation is 50%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. South wind 10 to 13 mph. Chance of precipitation is 60%.
Wednesday
A chance of showers. Partly sunny, with a high near 76. Southeast wind 9 to 11 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 63. East wind around 8 mph becoming northwest after midnight. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 79. North wind around 8 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 65. North wind around 6 mph.
Friday
Mostly sunny, with a high near 78. Northwest wind 5 to 8 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:
12:32 am EDT Jul 25, 2026
Forecast Valid:
3am EDT Jul 25, 2026-6pm EDT Jul 31, 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