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.

Overcast

76°F

24°C

Humidity 88%
Wind Speed SW 7 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 15 Jul 6:54 am EDT
Extended Forecast for

Winthrop MA

Heat Advisory July 15, 11:00am until July 17, 07:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: A slight chance of showers before 8am. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 88. Southwest wind 6 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 72. Southwest wind 7 to 9 mph.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 90. South wind 6 to 11 mph.

    High: 90 °F

    Hot

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74. Southwest wind 10 to 13 mph. Chance of precipitation is 20%.

    Low: 74 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind 10 to 15 mph. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76. Southwest wind around 11 mph. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 87. West wind around 11 mph. Chance of precipitation is 30%.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67. North wind around 8 mph.

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 79. North wind 7 to 10 mph becoming east in the afternoon.

    High: 79 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers before 8am. Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 88. Southwest wind 6 to 9 mph becoming southeast in the afternoon. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 72. Southwest wind 7 to 9 mph.
Wednesday
Sunny and hot, with a high near 90. South wind 6 to 11 mph.
Wednesday Night
A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 74. Southwest wind 10 to 13 mph. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 89. Southwest wind 10 to 15 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76. Southwest wind around 11 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 87. West wind around 11 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 67. North wind around 8 mph.
Saturday
Sunny, with a high near 79. North wind 7 to 10 mph becoming east in the afternoon.
Saturday Night
Partly cloudy, with a low around 67. Southwest wind 6 to 9 mph.
Sunday
A chance of showers. Partly sunny, with a high near 81. South wind 6 to 13 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 68. West wind around 10 mph. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 80. West wind around 11 mph becoming north in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Winthrop MA
 42.35°N 71.01°W (Elev. 0 ft)
Last Update:
1:16 am EDT Jul 15, 2025
Forecast Valid:
7am EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation