Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Overcast

78°F

26°C

Humidity 82%
Wind Speed S 16 mph
Barometer 29.77 in (1007.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 3 Aug 7:54 am EDT
Extended Forecast for

Cohasset MA

  • Today

    Today: Showers and thunderstorms before 4pm, then a chance of showers between 4pm and 5pm, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall.  Patchy fog. High near 79. South wind 13 to 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

    High: 79 °F

    Heavy Rain
    and Patchy
    Fog

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 11pm, then a slight chance of showers between 11pm and 1am. Some of the storms could produce heavy rainfall.  Patchy fog before 10pm.  Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 65. Southwest wind 7 to 11 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Heavy Rain
    and Patchy
    Fog then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 82. West wind 6 to 8 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. Southwest wind around 6 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 11am and 2pm.  Mostly sunny, with a high near 82. Light and variable wind becoming south 5 to 7 mph in the afternoon.  Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. Southwest wind around 6 mph.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 87. South wind 6 to 8 mph.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 72. Southwest wind around 8 mph.

    Low: 72 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 88. Southwest wind 6 to 8 mph.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and thunderstorms before 4pm, then a chance of showers between 4pm and 5pm, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Patchy fog. High near 79. South wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Tonight
Showers likely and possibly a thunderstorm before 11pm, then a slight chance of showers between 11pm and 1am. Some of the storms could produce heavy rainfall. Patchy fog before 10pm. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 65. Southwest wind 7 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 82. West wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 64. Southwest wind around 6 mph.
Wednesday
A slight chance of showers between 11am and 2pm. Mostly sunny, with a high near 82. Light and variable wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 68. Southwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 87. South wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 72. Southwest wind around 8 mph.
Friday
Mostly sunny, with a high near 88. Southwest wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 72. Southwest wind around 7 mph.
Saturday
A chance of showers. Mostly sunny, with a high near 85. West wind around 7 mph becoming south in the afternoon. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 71. Southwest wind around 6 mph. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly sunny, with a high near 86. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Cohasset MA
 42.24°N 70.8°W (Elev. 46 ft)
5:37 pm EDT Aug 2, 2026
8am EDT Aug 3, 2026-6pm EDT Aug 9, 2026
 
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Additional Resources

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