Summer Heat Continues; Severe Weather For Northeast

A large ridge of high pressure continues to bring summer heat and humidity to several sections of the country. Excessive heat warnings and heat advisories are in effect across the Desert Southwest, southern Plains, Lower Mississippi Valley and a small part of the Mid-Atlantic. Meanwhile, severe thunderstorms are forecast for the Northeast and northern Mid-Atlantic today. Read More >

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Mostly Cloudy

78°F

26°C

Humidity 79%
Wind Speed S 17 G 24 mph
Barometer 29.83 in (1010.2 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 21 Aug 6:54 pm EDT
Extended Forecast for

Chelsea MA

Severe T-storm Watch until August 21, 09:00pm
Click here for hazard details and duration
...
  •  
    Severe T-storm Watch until August 21, 09:00pm

    NOW until
    9:00pm Wed

    Severe T-storm Watch

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 1am. Some storms could be severe, with large hail, damaging winds, and heavy rain.  Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 72. Southwest wind 7 to 9 mph.  Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Severe
    Thunderstorms
    and Patchy
    Fog

    Low: 72 °F

  • Thursday

    Thursday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Patchy fog before 8am.  Otherwise, partly sunny, with a high near 92. Southwest wind 6 to 8 mph.  Chance of precipitation is 20%.

    Patchy Fog
    then Slight
    Chance
    T-storms

    High: 92 °F

  • Thursday
    Night

    Thursday Night: A slight chance of showers and thunderstorms, then a chance of showers after 8pm.  Mostly cloudy, with a low around 66. Northwest wind 5 to 9 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    Showers

    Low: 66 °F

  • Friday

    Friday: A chance of showers, mainly before 9am.  Mostly sunny, with a high near 78. Northwest wind 6 to 8 mph.  Chance of precipitation is 30%.

    Chance
    Showers then
    Mostly Sunny

    High: 78 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 60. Northwest wind around 7 mph.

    Mostly Clear

    Low: 60 °F

  • Saturday

    Saturday: Sunny, with a high near 74. Northwest wind around 8 mph becoming northeast in the afternoon.

    Sunny

    High: 74 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 60. East wind around 6 mph becoming north after midnight.

    Partly Cloudy

    Low: 60 °F

  • Sunday

    Sunday: Mostly sunny, with a high near 70. East wind 8 to 11 mph.

    Mostly Sunny

    High: 70 °F

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly before 1am. Some storms could be severe, with large hail, damaging winds, and heavy rain. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 72. Southwest wind 7 to 9 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 92. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of showers and thunderstorms, then a chance of showers after 8pm. Mostly cloudy, with a low around 66. Northwest wind 5 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, mainly before 9am. Mostly sunny, with a high near 78. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 60. Northwest wind around 7 mph.
Saturday
Sunny, with a high near 74. Northwest wind around 8 mph becoming northeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 60. East wind around 6 mph becoming north after midnight.
Sunday
Mostly sunny, with a high near 70. East wind 8 to 11 mph.
Sunday Night
Partly cloudy, with a low around 60. Northeast wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 70. East wind 7 to 10 mph.
Monday Night
Partly cloudy, with a low around 61. East wind 6 to 8 mph.
Tuesday
Partly sunny, with a high near 73. Northeast wind 7 to 9 mph becoming southeast in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 64. South wind around 7 mph.
Wednesday
A chance of showers. Partly sunny, with a high near 77. Southeast wind 6 to 8 mph. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Chelsea MA
 42.4°N 71.03°W (Elev. 49 ft)
7:08 pm EDT Aug 21, 2019
7pm EDT Aug 21, 2019-6pm EDT Aug 28, 2019
 
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Additional Resources

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Hourly Weather Forecast

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