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.

Mostly Cloudy

73°F

23°C

Humidity 48%
Wind Speed E 7 mph
Barometer 30.16 in (1021.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 15 Aug 11:54 am EDT
Extended Forecast for

3 Miles SSW Cohasset MA

  • This Afternoon

    This Afternoon: Sunny, with a high near 78. Northeast wind around 7 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. Light and variable wind becoming northwest around 6 mph after midnight.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Calm wind becoming southeast 5 to 9 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 3am. Increasing clouds, with a low around 64. South wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 64 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Monday

    Monday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 78. East wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    High: 78 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 63. Northeast wind around 5 mph.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 80. North wind around 7 mph becoming east in the afternoon.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. Light and variable wind.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Light and variable wind becoming south around 6 mph in the morning.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 78. Northeast wind around 7 mph.
Tonight
Mostly clear, with a low around 61. Light and variable wind becoming northwest around 6 mph after midnight.
Sunday
Mostly sunny, with a high near 79. Calm wind becoming southeast 5 to 9 mph in the afternoon.
Sunday Night
Showers likely, mainly after 3am. Increasing clouds, with a low around 64. South wind 7 to 9 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 78. East wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Monday Night
Mostly cloudy, with a low around 63. Northeast wind around 5 mph.
Tuesday
Sunny, with a high near 80. North wind around 7 mph becoming east in the afternoon.
Tuesday Night
Mostly clear, with a low around 62. Light and variable wind.
Wednesday
Sunny, with a high near 85. Light and variable wind becoming south around 6 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 66. Southwest wind around 7 mph.
Thursday
A chance of showers. Partly sunny, with a high near 85. West wind 7 to 10 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 62. Northwest wind around 6 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 78. North wind around 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Cohasset MA
 42.2°N 70.84°W (Elev. 95 ft)
Last Update:
6:32 am EDT Aug 15, 2026
Forecast Valid:
12pm EDT Aug 15, 2026-6pm EDT Aug 21, 2026
 
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Additional Resources

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Chance of Precipitation