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.

Partly Cloudy

86°F

30°C

Humidity 63%
Wind Speed SE 10 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 15 Jul 12:54 pm EDT
Extended Forecast for

2 Miles WNW Cohasset MA

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

    NOW until 7:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 69. Southwest wind 5 to 7 mph.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 88. Heat index values as high as 96. South wind 5 to 9 mph.

    High: 88 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 71 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind 7 to 11 mph. Chance of precipitation is 40%.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 74. Southwest wind around 8 mph. Chance of precipitation is 20%.

    Low: 74 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 86. West wind around 8 mph becoming north in the afternoon. Chance of precipitation is 30%.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66. North wind around 6 mph.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 86. South wind around 6 mph.
Tonight
Mostly clear, with a low around 69. Southwest wind 5 to 7 mph.
Wednesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 88. Heat index values as high as 96. South wind 5 to 9 mph.
Wednesday Night
A slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 71. Southwest wind 6 to 8 mph. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind 7 to 11 mph. Chance of precipitation is 40%.
Thursday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Partly cloudy, with a low around 74. Southwest wind around 8 mph. Chance of precipitation is 20%.
Friday
A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 86. West wind around 8 mph becoming north in the afternoon. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 66. North wind around 6 mph.
Saturday
Sunny, with a high near 79. North wind around 7 mph becoming east in the afternoon.
Saturday Night
Partly cloudy, with a low around 65. Southwest wind 3 to 6 mph.
Sunday
A chance of showers. Partly sunny, with a high near 81. South wind 5 to 9 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 66. South wind around 7 mph. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 79. West wind around 8 mph becoming northeast in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Cohasset MA
 42.24°N 70.83°W (Elev. 49 ft)
Last Update:
7:45 am EDT Jul 15, 2025
Forecast Valid:
1pm EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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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