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.

Fair

67°F

19°C

Humidity 73%
Wind Speed S 5 mph
Barometer 30.19 in (1022.2 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 16 Aug 12:54 am EDT
Extended Forecast for

Cohasset MA

  • Overnight

    Overnight: Mostly clear, with a low around 61. Light southwest wind.

    Low: 61 °F

    Mostly Clear

  • Saturday

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

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. South wind around 9 mph.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers after 3pm. Mostly sunny, with a high near 89. Southwest wind around 10 mph. Chance of precipitation is 20%.

    High: 89 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers, mainly before 4am. Mostly cloudy, with a low around 62. Light and variable wind becoming north 6 to 11 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers

  • Monday

    Monday: A slight chance of showers before 9am. Mostly sunny, with a high near 71. Northeast wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. East wind around 6 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Northeast wind 6 to 9 mph.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59. Southeast wind around 6 mph.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 61. Light southwest wind.
Saturday
Sunny, with a high near 80. Calm wind becoming east 5 to 9 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 68. South wind around 9 mph.
Sunday
A slight chance of showers after 3pm. Mostly sunny, with a high near 89. Southwest wind around 10 mph. Chance of precipitation is 20%.
Sunday Night
A chance of showers, mainly before 4am. Mostly cloudy, with a low around 62. Light and variable wind becoming north 6 to 11 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 40%.
Monday
A slight chance of showers before 9am. Mostly sunny, with a high near 71. Northeast wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 59. East wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 73. Northeast wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 59. Southeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 73. East wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 60. East wind around 7 mph.
Thursday
Sunny, with a high near 73. Northeast wind 8 to 10 mph.
Thursday Night
Mostly clear, with a low around 60. East wind around 7 mph becoming west in the evening.
Friday
Sunny, with a high near 78. Northwest wind 7 to 9 mph becoming east in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cohasset MA
 42.24°N 70.8°W (Elev. 46 ft)
Last Update:
12:23 am EDT Aug 16, 2025
Forecast Valid:
1am EDT Aug 16, 2025-6pm EDT Aug 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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