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.

Overcast

63°F

17°C

Humidity 97%
Wind Speed SE 5 mph
Barometer 29.85 in (1010.9 mb)
Dewpoint 62°F (17°C)
Visibility 9.00 mi
Last update 23 Jun 8:54 pm EDT
Extended Forecast for

Cohasset MA

  • Tonight

    Tonight: A chance of showers, mainly before 1am. Patchy fog. Otherwise, cloudy, then becoming partly cloudy toward daybreak, with a low around 59. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Sunny, with a high near 82. Northwest wind around 7 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. West wind 3 to 5 mph.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 2am. Mostly cloudy, with a low around 64. Southwest wind around 7 mph. Chance of precipitation is 40%.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. South wind 7 to 11 mph. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers after 1am. Mostly cloudy, with a low around 63. Southwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers. Partly sunny, with a high near 78. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 62. Light and variable wind.

    Low: 62 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers, mainly before 1am. Patchy fog. Otherwise, cloudy, then becoming partly cloudy toward daybreak, with a low around 59. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Sunny, with a high near 82. Northwest wind around 7 mph.
Wednesday Night
Mostly clear, with a low around 61. West wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 79. Calm wind becoming southeast around 6 mph in the afternoon.
Thursday Night
A chance of showers after 2am. Mostly cloudy, with a low around 64. Southwest wind around 7 mph. Chance of precipitation is 40%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 79. South wind 7 to 11 mph. Chance of precipitation is 60%.
Friday Night
A chance of showers after 1am. Mostly cloudy, with a low around 63. Southwest wind around 6 mph. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 78. Calm wind becoming northeast around 6 mph in the afternoon. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 62. Light and variable wind.
Sunday
Mostly sunny, with a high near 82. North wind around 6 mph becoming east in the afternoon.
Sunday Night
Partly cloudy, with a low around 62. Light and variable wind.
Monday
Mostly sunny, with a high near 84. Light and variable wind becoming east around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 64. Light southwest wind.
Tuesday
Mostly sunny, with a high near 84. Calm wind becoming southeast 5 to 7 mph in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cohasset MA
 42.24°N 70.83°W (Elev. 49 ft)
Last Update:
7:35 pm EDT Jun 23, 2026
Forecast Valid:
9pm EDT Jun 23, 2026-6pm EDT Jun 30, 2026
 
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