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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Fair

37°F

3°C

Humidity 59%
Wind Speed NW 3 mph
Barometer 30.51 in (1033.1 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 18 Oct 4:54 am EDT
Extended Forecast for

Cohasset MA

  • Today

    Today: Sunny, with a high near 54. North wind 5 to 9 mph becoming calm in the afternoon.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 43. East wind 3 to 6 mph.

    Low: 43 °F

    Clear

  • Monday

    Monday: Mostly sunny, with a high near 55. Northeast wind 5 to 9 mph.

    High: 55 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 49. North wind 8 to 14 mph.

    Low: 49 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 57. Breezy, with a northeast wind 18 to 21 mph.

    High: 57 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 47. Breezy, with a northeast wind 15 to 21 mph.

    Low: 47 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Wednesday

    Wednesday: Partly sunny, with a high near 54. Breezy, with a northeast wind 20 to 22 mph.

    High: 54 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. Northeast wind around 14 mph.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 56. North wind 13 to 16 mph.

    High: 56 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 54. North wind 5 to 9 mph becoming calm in the afternoon.
Tonight
Clear, with a low around 43. East wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 55. Northeast wind 5 to 9 mph.
Monday Night
Mostly cloudy, with a low around 49. North wind 8 to 14 mph.
Tuesday
Mostly cloudy, with a high near 57. Breezy, with a northeast wind 18 to 21 mph.
Tuesday Night
Mostly cloudy, with a low around 47. Breezy, with a northeast wind 15 to 21 mph.
Wednesday
Partly sunny, with a high near 54. Breezy, with a northeast wind 20 to 22 mph.
Wednesday Night
Mostly cloudy, with a low around 48. Northeast wind around 14 mph.
Thursday
Partly sunny, with a high near 56. North wind 13 to 16 mph.
Thursday Night
Partly cloudy, with a low around 48. North wind 6 to 11 mph increasing to 12 to 17 mph after midnight.
Friday
Mostly sunny, with a high near 54. Breezy, with a north wind 18 to 22 mph.
Friday Night
Partly cloudy, with a low around 47. Northeast wind around 16 mph.
Saturday
Mostly sunny, with a high near 55. North wind 13 to 16 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cohasset MA
 42.24°N 70.8°W (Elev. 46 ft)
Last Update:
4:51 am EDT Oct 18, 2026
Forecast Valid:
5am EDT Oct 18, 2026-6pm EDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation