Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Mostly Cloudy

71°F

22°C

Humidity 90%
Wind Speed S 7 mph
Barometer 29.88 in (1011.6 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 19 Aug 6:54 am EDT
Extended Forecast for

Cohasset MA

  • Today

    Today: Mostly sunny, with a high near 86. Light and variable wind becoming south 5 to 7 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 67. Southwest wind 5 to 7 mph.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers, mainly after noon.  Increasing clouds, with a high near 84. West wind around 5 mph becoming east in the afternoon.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 84 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers before midnight.  Cloudy, then gradually becoming partly cloudy, with a low around 63. Light and variable wind becoming north around 5 mph after midnight.  Chance of precipitation is 20%.

    Low: 63 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 77. North wind 7 to 9 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. Light and variable wind.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 10am.  Partly sunny, with a high near 75. East wind 7 to 10 mph.  Chance of precipitation is 40%.

    High: 75 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers.  Mostly cloudy, with a low around 62. East wind 3 to 6 mph.  Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers.  Mostly cloudy, with a high near 80. East wind 5 to 7 mph.  Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 86. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 67. Southwest wind 5 to 7 mph.
Thursday
A chance of showers, mainly after noon. Increasing clouds, with a high near 84. West wind around 5 mph becoming east in the afternoon. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A slight chance of showers before midnight. Cloudy, then gradually becoming partly cloudy, with a low around 63. Light and variable wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 77. North wind 7 to 9 mph.
Friday Night
Partly cloudy, with a low around 61. Light and variable wind.
Saturday
A chance of showers after 10am. Partly sunny, with a high near 75. East wind 7 to 10 mph. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 62. East wind 3 to 6 mph. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 80. East wind 5 to 7 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers before 10pm. Mostly cloudy, with a low around 63. Southwest wind around 5 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 83. West wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 61. West wind around 6 mph.
Tuesday
Sunny, with a high near 81. West wind around 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Cohasset MA
 42.22°N 70.81°W (Elev. 52 ft)
6:48 am EDT Aug 19, 2026
6am EDT Aug 19, 2026-6pm EDT Aug 25, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database