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

40°F

4°C

Humidity 97%
Wind Speed NW 13 G 20 mph
Barometer 29.69 in (1005.4 mb)
Dewpoint 39°F (4°C)
Visibility 9.00 mi
Wind Chill32°F (0°C)
Last update 11 Jan 4:54 am EST
Extended Forecast for

Cohasset MA

  • Overnight

    Overnight: A chance of rain. Patchy fog. Otherwise, cloudy, with a low around 39. Northwest wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday

    Sunday: A chance of rain, mainly before 8am. Patchy fog before 2pm. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 43. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 43 °F

    Chance Rain
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: A chance of rain and snow showers between 8pm and 9pm. Partly cloudy, with a low around 25. West wind 14 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 25 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 38. West wind 10 to 16 mph, with gusts as high as 30 mph.

    High: 38 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28. Southwest wind 6 to 9 mph.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 43. West wind 6 to 8 mph.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. Southwest wind 7 to 10 mph, with gusts as high as 23 mph.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 47. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.

    High: 47 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain after 8pm. Cloudy, with a low around 31. Southwest wind around 6 mph. Chance of precipitation is 40%.

    Low: 31 °F

    Chance Rain

Detailed Forecast

Overnight
A chance of rain. Patchy fog. Otherwise, cloudy, with a low around 39. Northwest wind around 7 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of rain, mainly before 8am. Patchy fog before 2pm. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 43. West wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Sunday Night
A chance of rain and snow showers between 8pm and 9pm. Partly cloudy, with a low around 25. West wind 14 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
Mostly sunny, with a high near 38. West wind 10 to 16 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 28. Southwest wind 6 to 9 mph.
Tuesday
Sunny, with a high near 43. West wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 33. Southwest wind 7 to 10 mph, with gusts as high as 23 mph.
Wednesday
Cloudy, with a high near 47. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Wednesday Night
A chance of rain after 8pm. Cloudy, with a low around 31. Southwest wind around 6 mph. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 39. West wind 6 to 8 mph. Chance of precipitation is 30%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 20. North wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 31. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 20. West wind around 7 mph.
Saturday
Mostly sunny, with a high near 37. West wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cohasset MA
 42.22°N 70.81°W (Elev. 52 ft)
Last Update:
12:18 am EST Jan 11, 2026
Forecast Valid:
5am EST Jan 11, 2026-6pm EST Jan 17, 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