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.

Partly Cloudy

58°F

14°C

Humidity 33%
Wind Speed W 7 mph
Barometer 30.12 in (1019.9 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 12 May 10:54 am EDT
Extended Forecast for

Cohasset MA

  • Today

    Today: Sunny, with a high near 59. North wind around 6 mph becoming east in the afternoon.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 47. Southwest wind 3 to 5 mph.

    Low: 47 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 62. South wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 62 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 50. South wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 50 °F

    Cloudy

  • Thursday

    Thursday: Showers, mainly after 10am. High near 63. Southeast wind 10 to 13 mph. Chance of precipitation is 90%.

    High: 63 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Patchy fog. Low around 48. East wind 5 to 7 mph becoming northeast after midnight. Chance of precipitation is 90%.

    Low: 48 °F

    Showers and
    Patchy Fog

  • Friday

    Friday: Showers likely, mainly before 3pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 61. North wind around 8 mph. Chance of precipitation is 70%.

    High: 61 °F

    Showers
    Likely and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of showers before 10pm. Mostly cloudy, with a low around 48. North wind around 7 mph. Chance of precipitation is 30%.

    Low: 48 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74. West wind 6 to 8 mph.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 59. North wind around 6 mph becoming east in the afternoon.
Tonight
Increasing clouds, with a low around 47. Southwest wind 3 to 5 mph.
Wednesday
Mostly cloudy, with a high near 62. South wind 6 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
Cloudy, with a low around 50. South wind 10 to 13 mph, with gusts as high as 23 mph.
Thursday
Showers, mainly after 10am. High near 63. Southeast wind 10 to 13 mph. Chance of precipitation is 90%.
Thursday Night
Showers and possibly a thunderstorm. Patchy fog. Low around 48. East wind 5 to 7 mph becoming northeast after midnight. Chance of precipitation is 90%.
Friday
Showers likely, mainly before 3pm. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 61. North wind around 8 mph. Chance of precipitation is 70%.
Friday Night
A chance of showers before 10pm. Mostly cloudy, with a low around 48. North wind around 7 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 74. West wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 55. Southwest wind around 9 mph.
Sunday
Sunny, with a high near 77. West wind 8 to 10 mph.
Sunday Night
Partly cloudy, with a low around 54. West wind 6 to 8 mph.
Monday
Sunny, with a high near 76. West wind 5 to 8 mph becoming south in the afternoon.
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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:
3:22 am EDT May 12, 2026
Forecast Valid:
11am EDT May 12, 2026-6pm EDT May 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation