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

Hazardous Weather Conditions

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Overcast

36°F

2°C

Humidity 79%
Wind Speed E 12 mph
Barometer 29.80 in (1009.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 20 Feb 2:54 pm EST
Extended Forecast for

Weymouth MA

Coastal Flood Watch February 23, 11:00pm until February 24, 07:00am
Click here for hazard details and duration
Coastal Flood Watch

  • This Afternoon

    This Afternoon: Snow. High near 38. East wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.

    High: 38 °F

    Snow

  • Tonight

    Tonight: Rain and snow, becoming all snow after 11pm. Low around 27. East wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 27 °F

    Rain/Snow
    then Snow

  • Saturday

    Saturday: A chance of snow, mainly before 10am. Cloudy, with a high near 30. Northeast wind 6 to 9 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 30 °F

    Chance Snow
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: A slight chance of snow between 10pm and 11pm. Mostly cloudy, with a low around 26. Light north wind. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow, mainly after 2pm. Cloudy, with a high near 36. East wind 5 to 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 36 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Snow, mainly after 9pm. The snow could be heavy at times. Low around 28. Northeast wind 9 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 28 °F

    Heavy Snow

  • Monday

    Monday: Snow. The snow could be heavy at times. High near 33. Breezy, with a north wind 18 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 80%.

    High: 33 °F

    Heavy Snow
    and Breezy

  • Monday Night

    Monday Night: Snow likely, mainly before 7pm. Mostly cloudy, with a low around 22. Northwest wind 9 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.

    Low: 22 °F

    Snow Likely
    then Chance
    Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 34. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 34 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Snow. High near 38. East wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.
Tonight
Rain and snow, becoming all snow after 11pm. Low around 27. East wind 6 to 10 mph becoming north after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Saturday
A chance of snow, mainly before 10am. Cloudy, with a high near 30. Northeast wind 6 to 9 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday Night
A slight chance of snow between 10pm and 11pm. Mostly cloudy, with a low around 26. Light north wind. Chance of precipitation is 20%.
Sunday
A chance of snow, mainly after 2pm. Cloudy, with a high near 36. East wind 5 to 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday Night
Snow, mainly after 9pm. The snow could be heavy at times. Low around 28. Northeast wind 9 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday
Snow. The snow could be heavy at times. High near 33. Breezy, with a north wind 18 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 80%.
Monday Night
Snow likely, mainly before 7pm. Mostly cloudy, with a low around 22. Northwest wind 9 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Tuesday
Partly sunny, with a high near 34. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 15. West wind around 6 mph.
Wednesday
A chance of snow. Mostly cloudy, with a high near 37. South wind 5 to 8 mph. Chance of precipitation is 40%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. South wind around 6 mph. Chance of precipitation is 50%.
Thursday
Rain likely. Mostly cloudy, with a high near 43. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Southwest wind around 7 mph. Chance of precipitation is 40%.
Friday
A chance of rain and snow. Partly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Weymouth MA
 42.21°N 70.93°W (Elev. 92 ft)
Last Update:
3:32 pm EST Feb 20, 2026
Forecast Valid:
3pm EST Feb 20, 2026-6pm EST Feb 27, 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