National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Mostly Cloudy

58°F

14°C

Humidity 65%
Wind Speed E 7 mph
Barometer 30.20 in (1022.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 19 Sep 6:54 pm EDT
Extended Forecast for

Cohasset MA

  • Tonight

    Tonight: Partly cloudy, with a low around 52. South wind around 6 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers, mainly after noon. High near 63. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Mostly Cloudy
    then Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 3am. Patchy fog. Low around 58. Southeast wind 7 to 14 mph becoming northeast after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers and
    Patchy Fog

  • Monday

    Monday: A chance of showers before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 65. North wind 13 to 16 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 53. Northeast wind 5 to 13 mph.

    Low: 53 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 62. Northeast wind 14 to 16 mph.

    High: 62 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53. Northeast wind 10 to 13 mph.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. Breezy, with a northeast wind 16 to 21 mph.

    High: 64 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53. Northeast wind 13 to 15 mph.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 52. South wind around 6 mph.
Sunday
Showers, mainly after noon. High near 63. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers, mainly before 3am. Patchy fog. Low around 58. Southeast wind 7 to 14 mph becoming northeast after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of showers before 8am. Cloudy, then gradually becoming mostly sunny, with a high near 65. North wind 13 to 16 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly cloudy, with a low around 53. Northeast wind 5 to 13 mph.
Tuesday
Partly sunny, with a high near 62. Northeast wind 14 to 16 mph.
Tuesday Night
Mostly cloudy, with a low around 53. Northeast wind 10 to 13 mph.
Wednesday
Partly sunny, with a high near 64. Breezy, with a northeast wind 16 to 21 mph.
Wednesday Night
Mostly cloudy, with a low around 53. Northeast wind 13 to 15 mph.
Thursday
Partly sunny, with a high near 63. Breezy, with a northeast wind 18 to 22 mph.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 53. Breezy, with a northeast wind 18 to 20 mph. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 63. Breezy, with a northeast wind 22 to 25 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 54. Breezy, with a north wind 20 to 22 mph. Chance of precipitation is 50%.
Saturday
A chance of showers. Mostly cloudy, with a high near 65. Breezy, with a north wind 22 to 24 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cohasset MA
 42.24°N 70.8°W (Elev. 46 ft)
Last Update:
2:33 pm EDT Sep 19, 2026
Forecast Valid:
7pm EDT Sep 19, 2026-6pm EDT Sep 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation