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

Isaias to Bring Tropical Impacts Across to the East Coast

Isaias is forecast to make landfall tonight in the Carolinas with dangerous storm surge, flash flooding, damaging winds, and isolated tropical tornadoes. Isaias may strengthen briefly prior to landfall, but the impacts will be the same regardless of the categorical definition. Isaias impacts will be felt all along the East Coast as Isaias moves northward through mid-week. Read More >

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Partly Cloudy

89°F

32°C

Humidity 41%
Wind Speed W 12 G 24 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 3 Aug 4:54 pm EDT
Extended Forecast for

Boston MA

Tropical Storm Warning until further notice
Click here for hazard details and duration
Tropical Storm Warning until further notice
  •  
    Tropical Storm Warning until further notice

    NOW until further notice

    Tropical Storm Warning

  • Tonight

    Tonight: A slight chance of showers after 2am. Increasing clouds, with a low around 74. West wind 5 to 10 mph becoming light southwest in the evening. Chance of precipitation is 20%.

    Partly Cloudy
    then Slight
    Chance
    Showers

    Low: 74 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, mainly after 7am. Cloudy, with a high near 84. South wind 5 to 9 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

    Chance
    Showers

    High: 84 °F

  • Tuesday
    Night

    Tuesday Night: Showers likely, mainly before 3am. Mostly cloudy, with a low around 72. Windy, with a south wind 27 to 32 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 48 mph. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.

    Showers
    Likely and
    Windy

    Low: 72 °F

  • Wednesday

    Wednesday: A chance of showers, mainly between noon and 4pm. Mostly sunny, with a high near 88. Southwest wind 10 to 13 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    Chance
    Showers

    High: 88 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 68. Southwest wind 6 to 9 mph.

    Partly Cloudy

    Low: 68 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 82. Northwest wind 5 to 7 mph.

    Mostly Sunny

    High: 82 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 66. West wind around 5 mph becoming northwest after midnight.

    Partly Cloudy

    Low: 66 °F

  • Friday

    Friday: Mostly sunny, with a high near 81. Light and variable wind becoming east around 6 mph in the morning.

    Mostly Sunny

    High: 81 °F

Detailed Forecast

Tonight
A slight chance of showers after 2am. Increasing clouds, with a low around 74. West wind 5 to 10 mph becoming light southwest in the evening. Chance of precipitation is 20%.
Tuesday
A chance of showers and thunderstorms, mainly after 7am. Cloudy, with a high near 84. South wind 5 to 9 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely, mainly before 3am. Mostly cloudy, with a low around 72. Windy, with a south wind 27 to 32 mph decreasing to 17 to 22 mph after midnight. Winds could gust as high as 48 mph. Chance of precipitation is 70%. New precipitation amounts between three quarters and one inch possible.
Wednesday
A chance of showers, mainly between noon and 4pm. Mostly sunny, with a high near 88. Southwest wind 10 to 13 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Partly cloudy, with a low around 68. Southwest wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 82. Northwest wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 66. West wind around 5 mph becoming northwest after midnight.
Friday
Mostly sunny, with a high near 81. Light and variable wind becoming east around 6 mph in the morning.
Friday Night
Partly cloudy, with a low around 67. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 83. Light and variable wind becoming east 5 to 7 mph in the morning.
Saturday Night
Mostly clear, with a low around 69. Southeast wind around 5 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 86. Light and variable wind becoming east around 6 mph in the morning.
Sunday Night
Mostly clear, with a low around 70. South wind around 6 mph.
Monday
Mostly sunny, with a high near 86. South wind 3 to 7 mph.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Boston MA
 42.36°N 71.07°W (Elev. 13 ft)
Last Update:
4:59 pm EDT Aug 3, 2020
Forecast Valid:
5pm EDT Aug 3, 2020-6pm EDT Aug 10, 2020
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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