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.

Light Snow

35°F

2°C

Humidity 76%
Wind Speed SE 10 mph
Barometer 29.84 in (1010.4 mb)
Dewpoint 28°F (-2°C)
Visibility 5.00 mi
Wind Chill27°F (-3°C)
Last update 14 Mar 12:54 am EDT
Extended Forecast for

Cohasset MA

  • Overnight

    Overnight: Showers, mainly before 2am. Low around 33. South wind around 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 33 °F

    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 44. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 38 mph.

    High: 44 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. West wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 39. Northwest wind around 7 mph becoming southeast in the afternoon.

    High: 39 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 5am. Mostly cloudy, with a low around 37. Southeast wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Rain and possibly a thunderstorm before 11am, then rain between 11am and 2pm, then rain and possibly a thunderstorm after 2pm. High near 59. South wind 15 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%.

    High: 59 °F

    Rain

  • Monday Night

    Monday Night: Rain, mainly before 5am. Low around 42. Breezy, with a south wind 20 to 25 mph, with gusts as high as 46 mph. Chance of precipitation is 100%.

    Low: 42 °F

    Rain and
    Breezy

  • Tuesday

    Tuesday: A chance of rain before 8am. Partly sunny, with a high near 49. West wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    High: 49 °F

    Chance Rain
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 24. West wind 13 to 15 mph, with gusts as high as 25 mph.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers, mainly before 2am. Low around 33. South wind around 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Partly sunny, with a high near 44. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 38 mph.
Saturday Night
Mostly clear, with a low around 30. West wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday
Partly sunny, with a high near 39. Northwest wind around 7 mph becoming southeast in the afternoon.
Sunday Night
A chance of rain, mainly after 5am. Mostly cloudy, with a low around 37. Southeast wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Monday
Rain and possibly a thunderstorm before 11am, then rain between 11am and 2pm, then rain and possibly a thunderstorm after 2pm. High near 59. South wind 15 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%.
Monday Night
Rain, mainly before 5am. Low around 42. Breezy, with a south wind 20 to 25 mph, with gusts as high as 46 mph. Chance of precipitation is 100%.
Tuesday
A chance of rain before 8am. Partly sunny, with a high near 49. West wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 24. West wind 13 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 39. West wind 6 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 28. South wind around 7 mph.
Thursday
Partly sunny, with a high near 44. South wind 6 to 10 mph.
Thursday Night
Partly cloudy, with a low around 31. Southwest wind 6 to 8 mph.
Friday
Mostly sunny, with a high near 47. Southwest wind 7 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Cohasset MA
 42.24°N 70.8°W (Elev. 46 ft)
Last Update:
1:44 am EDT Mar 14, 2026
Forecast Valid:
1am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation