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

53°F

12°C

Humidity 52%
Wind Speed SW 14 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 9 Mar 11:54 pm EDT
Extended Forecast for

Cohasset MA

  • Overnight

    Overnight: Partly cloudy, with a low around 42. Southwest wind around 8 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 66. Southwest wind 7 to 9 mph.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 40. Southwest wind around 8 mph.

    Low: 40 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A slight chance of light rain. Patchy fog. Otherwise, cloudy, with a high near 50. Northeast wind 7 to 10 mph. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Light Rain
    and Patchy
    Fog

  • Wednesday Night

    Wednesday Night: A chance of rain or light rain before 8pm, then rain likely, mainly between 8pm and 3am. Cloudy, with a low around 43. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    Low: 43 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain. Cloudy, with a high near 57. Southwest wind around 11 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 50%.

    High: 57 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow before 11pm. Mostly cloudy, with a low around 27. West wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    Low: 27 °F

    Chance
    Rain/Snow
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43. West wind 7 to 9 mph becoming south in the afternoon.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of snow between 8pm and 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 33. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    Low: 33 °F

    Chance
    Rain/Snow
    then Chance
    Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 42. Southwest wind around 8 mph.
Tuesday
Sunny, with a high near 66. Southwest wind 7 to 9 mph.
Tuesday Night
Increasing clouds, with a low around 40. Southwest wind around 8 mph.
Wednesday
A slight chance of light rain. Patchy fog. Otherwise, cloudy, with a high near 50. Northeast wind 7 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of rain or light rain before 8pm, then rain likely, mainly between 8pm and 3am. Cloudy, with a low around 43. South wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Thursday
A chance of rain. Cloudy, with a high near 57. Southwest wind around 11 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow before 11pm. Mostly cloudy, with a low around 27. West wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 43. West wind 7 to 9 mph becoming south in the afternoon.
Friday Night
A chance of snow between 8pm and 11pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 33. South wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Saturday
A chance of rain before 9am. Mostly sunny, with a high near 46. West wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 29. West wind 6 to 8 mph.
Sunday
A chance of rain and snow. Cloudy, with a high near 49. Southwest wind 6 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Sunday Night
Rain likely. Cloudy, with a low around 37. South wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Monday
Rain likely. Cloudy, with a high near 51. Southwest wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.
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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:
10:48 pm EDT Mar 9, 2026
Forecast Valid:
12am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation