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.

A Few Clouds

72°F

22°C

Humidity 71%
Wind Speed N 9 mph
Barometer 30.05 in (1017.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 15 Aug 3:54 am EDT
Extended Forecast for

Cohasset MA

  • Today

    Today: Mostly sunny, with a high near 75. Northeast wind 13 to 15 mph.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. East wind 5 to 8 mph becoming calm after midnight.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Northeast wind 5 to 9 mph becoming east in the afternoon.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. Southwest wind 6 to 9 mph.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89. Southwest wind 8 to 10 mph. Chance of precipitation is 40%.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. West wind 7 to 10 mph becoming north after midnight. Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 70. Northeast wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57. East wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Northeast wind 5 to 8 mph becoming east in the afternoon.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 75. Northeast wind 13 to 15 mph.
Tonight
Mostly clear, with a low around 61. East wind 5 to 8 mph becoming calm after midnight.
Saturday
Sunny, with a high near 80. Northeast wind 5 to 9 mph becoming east in the afternoon.
Saturday Night
Mostly clear, with a low around 65. Southwest wind 6 to 9 mph.
Sunday
A chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89. Southwest wind 8 to 10 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. West wind 7 to 10 mph becoming north after midnight. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 70. Northeast wind 9 to 11 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 57. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 73. Northeast wind 5 to 8 mph becoming east in the afternoon.
Tuesday Night
Partly cloudy, with a low around 59. South wind around 6 mph.
Wednesday
Mostly sunny, with a high near 74. Southeast wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 58. Southeast wind around 6 mph becoming north after midnight.
Thursday
Sunny, with a high near 75. North wind 7 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cohasset MA
 42.22°N 70.81°W (Elev. 52 ft)
Last Update:
2:40 am EDT Aug 15, 2025
Forecast Valid:
4am EDT Aug 15, 2025-6pm EDT Aug 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