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.

Partly Cloudy

65°F

18°C

Humidity 84%
Wind Speed N 9 mph
Barometer 30.11 in (1019.6 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 31 Aug 6:54 am EDT
Extended Forecast for

Weymouth MA

  • Today

    Today: Mostly sunny, with a high near 78. North wind 5 to 7 mph becoming east in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers after 2am. Increasing clouds, with a low around 62. South wind 3 to 7 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers, mainly before 1pm. Patchy fog before noon. High near 72. Southeast wind 5 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly before 1am. Mostly cloudy, with a low around 60. East wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly after 3pm. Mostly cloudy, with a high near 73. Southeast wind 6 to 9 mph. Chance of precipitation is 30%.

    High: 73 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9pm. Low around 62. Southeast wind around 6 mph. Chance of precipitation is 80%.

    Low: 62 °F

    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms between 9am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 9am. High near 78. South wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 80%.

    High: 78 °F

    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers before 11pm. Mostly cloudy, with a low around 62. Northwest wind around 5 mph. Chance of precipitation is 40%.

    Low: 62 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 75. North wind 7 to 9 mph.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 78. North wind 5 to 7 mph becoming east in the afternoon.
Tonight
A chance of showers after 2am. Increasing clouds, with a low around 62. South wind 3 to 7 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Showers, mainly before 1pm. Patchy fog before noon. High near 72. Southeast wind 5 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers, mainly before 1am. Mostly cloudy, with a low around 60. East wind 3 to 6 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers, mainly after 3pm. Mostly cloudy, with a high near 73. Southeast wind 6 to 9 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 9pm. Low around 62. Southeast wind around 6 mph. Chance of precipitation is 80%.
Thursday
Showers and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms between 9am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 9am. High near 78. South wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 80%.
Thursday Night
A chance of showers before 11pm. Mostly cloudy, with a low around 62. Northwest wind around 5 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 75. North wind 7 to 9 mph.
Friday Night
Partly cloudy, with a low around 60. North wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 72. Northeast wind 9 to 11 mph.
Saturday Night
Partly cloudy, with a low around 57. North wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 73. North wind 7 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Weymouth MA
 42.21°N 70.96°W (Elev. 98 ft)
Last Update:
6:40 am EDT Aug 31, 2026
Forecast Valid:
7am EDT Aug 31, 2026-6pm EDT Sep 6, 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