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

Tropical Storm Isaias to Impact the Eastern U.S. Early This Week

Tropical Storm Isaias will deliver heavy rainfall, flash and urban flooding, high winds, dangerous storm surge, coastal flooding, life-threatening surf, rip currents, and severe thunderstorms with tornadoes to portions of the Eastern U.S. through early this week. Isaias is expected to track from just offshore of northeastern Florida toward coastal South and North Carolina on Monday. Read More >

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Partly Cloudy

76°F

24°C

Humidity 91%
Wind Speed S 8 mph
Barometer 29.88 in (1011.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 3 Aug 4:54 am EDT
Extended Forecast for

Boston MA

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

    NOW until further notice

    Tropical Storm Watch

  • Today

    Today: Mostly sunny, with a high near 92. West wind 10 to 15 mph.

    Mostly Sunny

    High: 92 °F

  • Tonight

    Tonight: A slight chance of showers after 1am. Increasing clouds, with a low around 75. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.

    Partly Cloudy
    then Slight
    Chance
    Showers

    Low: 75 °F

  • Tuesday

    Tuesday: A chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 83. South wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Chance
    Showers then
    Showers
    Likely

    High: 83 °F

  • Tuesday
    Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 72. Windy, with a south wind 27 to 32 mph decreasing to 17 to 22 mph. Winds could gust as high as 45 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    T-storms and
    Windy

    Low: 72 °F

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms, mainly between 7am and 3pm. Partly sunny, with a high near 86. Southwest wind 10 to 16 mph. Chance of precipitation is 60%.

    Showers
    Likely then
    Chance
    Showers

    High: 86 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 68. West wind 5 to 7 mph.

    Partly Cloudy

    Low: 68 °F

  • Thursday

    Thursday: Sunny, with a high near 82. West wind around 6 mph.

    Sunny

    High: 82 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 66. Southwest wind 3 to 5 mph.

    Mostly Clear

    Low: 66 °F

Detailed Forecast

Today
Mostly sunny, with a high near 92. West wind 10 to 15 mph.
Tonight
A slight chance of showers after 1am. Increasing clouds, with a low around 75. Southwest wind 3 to 8 mph. Chance of precipitation is 20%.
Tuesday
A chance of showers before 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 83. South wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Low around 72. Windy, with a south wind 27 to 32 mph decreasing to 17 to 22 mph. Winds could gust as high as 45 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Wednesday
Showers likely and possibly a thunderstorm before 7am, then a chance of showers and thunderstorms, mainly between 7am and 3pm. Partly sunny, with a high near 86. Southwest wind 10 to 16 mph. Chance of precipitation is 60%.
Wednesday Night
Partly cloudy, with a low around 68. West wind 5 to 7 mph.
Thursday
Sunny, with a high near 82. West wind around 6 mph.
Thursday Night
Mostly clear, with a low around 66. Southwest wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 82. Light and variable wind becoming northeast around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 83. Calm wind becoming east around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 69. South wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 86. Light and variable wind becoming northeast around 5 mph in the afternoon.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Boston MA
 42.36°N 71.07°W (Elev. 13 ft)
Last Update:
5:17 am EDT Aug 3, 2020
Forecast Valid:
5am EDT Aug 3, 2020-6pm EDT Aug 9, 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