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

68°F

20°C

Humidity 57%
Wind Speed NW 6 mph
Barometer 30.16 in (1021.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 16 Aug 1:54 am EDT
Extended Forecast for

3 Miles NNW Cohasset MA

  • Overnight

    Overnight: Mostly clear, with a low around 61. Light north wind.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79. Light and variable wind becoming east 5 to 9 mph in the afternoon.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly after 4am. Increasing clouds, with a low around 67. South wind 8 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers likely, mainly between 10am and 3pm. Patchy fog after 10am. Otherwise, mostly cloudy, with a high near 74. Southeast wind 10 to 13 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers
    Likely and
    Patchy Fog

  • Monday Night

    Monday Night: A chance of showers, mainly before 11pm. Patchy fog before 9pm. Otherwise, mostly cloudy, with a low around 67. North wind around 6 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. North wind 6 to 8 mph.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65. Light and variable wind.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 82. Southwest wind 3 to 6 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. Southwest wind around 7 mph.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 61. Light north wind.
Sunday
Sunny, with a high near 79. Light and variable wind becoming east 5 to 9 mph in the afternoon.
Sunday Night
A chance of showers, mainly after 4am. Increasing clouds, with a low around 67. South wind 8 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers likely, mainly between 10am and 3pm. Patchy fog after 10am. Otherwise, mostly cloudy, with a high near 74. Southeast wind 10 to 13 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers, mainly before 11pm. Patchy fog before 9pm. Otherwise, mostly cloudy, with a low around 67. North wind around 6 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 74. North wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 65. Light and variable wind.
Wednesday
Sunny, with a high near 82. Southwest wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 68. Southwest wind around 7 mph.
Thursday
A chance of showers. Partly sunny, with a high near 79. Northwest wind around 6 mph becoming east in the afternoon. Chance of precipitation is 50%.
Thursday Night
Partly cloudy, with a low around 63. Light and variable wind becoming northwest around 5 mph after midnight.
Friday
Sunny, with a high near 75. North wind around 7 mph becoming east in the afternoon.
Friday Night
Partly cloudy, with a low around 63. Southeast wind around 5 mph becoming light and variable in the evening.
Saturday
Mostly sunny, with a high near 76. Northeast wind 5 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Cohasset MA
 42.26°N 70.83°W (Elev. 36 ft)
Last Update:
1:48 am EDT Aug 16, 2026
Forecast Valid:
2am EDT Aug 16, 2026-6pm EDT Aug 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation