National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall And Severe Weather Potential Continues From The Plains To The Mississippi Valley; Dry Out West

A low pressure system over the Mississippi Valley may yield heavy rainfall and flash flooding concerns through Friday. In addition, the threat for severe thunderstorms capable of damaging winds and large hail will continue. Fire threats remain high across parts of the West with hot and dry conditions expected. Read More >

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

A Few Clouds

82°F

28°C

Humidity 63%
Wind Speed W 9 mph
Barometer 29.90 in (1012.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 15 Aug 10:54 pm EDT
Extended Forecast for

Winthrop MA

  • Tonight

    Tonight: Partly cloudy, with a low around 74. West wind around 8 mph.

    Partly Cloudy

    Low: 74 °F

  • Thursday

    Thursday: A slight chance of showers after noon. Sunny, with a high near 87. West wind around 9 mph. Chance of precipitation is 20%.

    Sunny then
    Slight Chance
    Showers

    High: 87 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 70. Calm wind becoming south 5 to 9 mph in the evening.

    Partly Cloudy

    Low: 70 °F

  • Friday

    Friday: A chance of showers and thunderstorms, mainly after 9am. Some of the storms could produce heavy rain. Partly sunny, with a high near 83. East wind 7 to 16 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    High: 83 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms. Some of the storms could produce heavy rain. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 72. South wind 15 to 18 mph. Chance of precipitation is 50%.

    Heavy Rain
    and Patchy
    Fog

    Low: 72 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms. Some of the storms could produce heavy rain. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 79. Breezy. Chance of precipitation is 50%.

    Heavy Rain
    and Patchy
    Fog

    High: 79 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 65.

    Mostly Cloudy

    Low: 65 °F

  • Sunday

    Sunday: Partly sunny, with a high near 72.

    Partly Sunny

    High: 72 °F

  • Sunday
    Night

    Sunday Night: Mostly cloudy, with a low around 63.

    Mostly Cloudy

    Low: 63 °F

Detailed Forecast

Tonight
Partly cloudy, with a low around 74. West wind around 8 mph.
Thursday
A slight chance of showers after noon. Sunny, with a high near 87. West wind around 9 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 70. Calm wind becoming south 5 to 9 mph in the evening.
Friday
A chance of showers and thunderstorms, mainly after 9am. Some of the storms could produce heavy rain. Partly sunny, with a high near 83. East wind 7 to 16 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms. Some of the storms could produce heavy rain. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 72. South wind 15 to 18 mph. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms. Some of the storms could produce heavy rain. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 79. Breezy. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 65.
Sunday
Partly sunny, with a high near 72.
Sunday Night
Mostly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Winthrop MA
 42.35°N 71.01°W (Elev. 0 ft)
Last Update:
10:07 pm EDT Aug 15, 2018
Forecast Valid:
11pm EDT Aug 15, 2018-6pm EDT Aug 22, 2018
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation