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.

Fog/Mist

47°F

8°C

Humidity 97%
Wind Speed E 5 mph
Barometer 29.93 in (1013.3 mb)
Dewpoint 46°F (8°C)
Visibility 3.00 mi
Wind Chill45°F (7°C)
Last update 15 Apr 11:54 pm EDT
Extended Forecast for

Weymouth MA

  • Overnight

    Overnight: A chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 50. Light and variable wind becoming west around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers after 2pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 67. Southeast wind 5 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 20%.

    High: 67 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Southeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 54 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 70. Light and variable wind becoming northeast 5 to 8 mph in the morning. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 11pm. Mostly cloudy, with a low around 47. Northeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 58. Northeast wind around 7 mph.

    High: 58 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 47. East wind around 5 mph becoming south after midnight.

    Low: 47 °F

    Cloudy

  • Sunday

    Sunday: Showers likely, mainly after noon. Cloudy, with a high near 60. South wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

    High: 60 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers before 4am. Mostly cloudy, with a low around 37. West wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    Low: 37 °F

    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 50. Light and variable wind becoming west around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers after 2pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 67. Southeast wind 5 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Southeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 70. Light and variable wind becoming northeast 5 to 8 mph in the morning. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers before 11pm. Mostly cloudy, with a low around 47. Northeast wind around 5 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 58. Northeast wind around 7 mph.
Saturday Night
Cloudy, with a low around 47. East wind around 5 mph becoming south after midnight.
Sunday
Showers likely, mainly after noon. Cloudy, with a high near 60. South wind 6 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
A chance of showers before 4am. Mostly cloudy, with a low around 37. West wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 49. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 33. Northwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 54. Northwest wind around 8 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 41. Southwest wind around 8 mph.
Wednesday
Partly sunny, with a high near 63. Southwest wind around 9 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Weymouth MA
 42.21°N 70.93°W (Elev. 92 ft)
Last Update:
6:33 pm EDT Apr 15, 2026
Forecast Valid:
12am EDT Apr 16, 2026-6pm EDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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