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

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Fog/Mist

52°F

11°C

Humidity 97%
Wind Speed N 8 mph
Barometer 29.68 in (1005.1 mb)
Dewpoint 51°F (11°C)
Visibility 6.00 mi
Wind Chill49°F (9°C)
Last update 14 May 6:54 pm EDT
Extended Forecast for

Cohasset MA

  • Tonight

    Tonight: Showers, mainly before 11pm, then areas of drizzle with a chance of showers after midnight. Areas of fog. Low around 49. East wind around 5 mph becoming calm. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 49 °F

    Showers and
    Areas Fog
    then Chance
    Showers and
    Areas Fog

  • Friday

    Friday: Showers with areas of drizzle before 11am, then areas of drizzle with a chance of showers between 11am and 2pm, then a chance of showers after 2pm. Areas of fog. High near 52. Northeast wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Showers and
    Areas Fog
    then Chance
    Showers and
    Areas Fog

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 49. North wind around 7 mph becoming west after midnight.

    Low: 49 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 77. Southwest wind around 9 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 77. West wind around 8 mph.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 55. West wind around 5 mph becoming light and variable after midnight.

    Low: 55 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 71. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. Southwest wind 6 to 8 mph.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers, mainly before 11pm, then areas of drizzle with a chance of showers after midnight. Areas of fog. Low around 49. East wind around 5 mph becoming calm. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Showers with areas of drizzle before 11am, then areas of drizzle with a chance of showers between 11am and 2pm, then a chance of showers after 2pm. Areas of fog. High near 52. Northeast wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 49. North wind around 7 mph becoming west after midnight.
Saturday
Sunny, with a high near 77. Southwest wind around 9 mph.
Saturday Night
Partly cloudy, with a low around 57. Southwest wind 9 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 77. West wind around 8 mph.
Sunday Night
Mostly clear, with a low around 55. West wind around 5 mph becoming light and variable after midnight.
Monday
Mostly sunny, with a high near 71. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 55. Southwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 84. Southwest wind 7 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 61. Southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 84. Southwest wind 7 to 9 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 57. West wind 6 to 8 mph. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 74. Northwest wind around 7 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cohasset MA
 42.24°N 70.8°W (Elev. 46 ft)
Last Update:
7:16 pm EDT May 14, 2026
Forecast Valid:
7pm EDT May 14, 2026-6pm EDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation