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

30°F

-1°C

Humidity 85%
Wind Speed N 3 mph
Barometer 30.17 in (1021.5 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 21 Feb 10:54 pm EST
Extended Forecast for

Weymouth MA

Coastal Flood Watch February 23, 01:00am until February 24, 07:00am
Blizzard Warning February 22, 04:00pm until February 24, 07:00am
Click here for hazard details and duration
Coastal Flood Watch
Blizzard Warning

  • Tonight

    Tonight: Mostly cloudy, with a low around 22. Light northwest wind.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 36. Calm wind becoming east 5 to 9 mph in the morning.

    High: 36 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Snow, mainly after 11pm. The snow could be heavy at times. Patchy fog after 2am. Areas of freezing fog after 5am. Low around 28. Blustery, with an east wind 13 to 22 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 28 °F

    Snow Likely
    then Heavy
    Snow and
    Areas
    Freezing Fog

  • Monday

    Monday: Snow. The snow could be heavy at times. Areas of freezing fog before 8am. High near 33. Windy, with a north wind 22 to 28 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.

    High: 33 °F

    Heavy Snow
    and Areas
    Freezing Fog

  • Monday Night

    Monday Night: Snow likely, mainly before 2am. Mostly cloudy, with a low around 21. Northwest wind 10 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 21 °F

    Snow Likely
    then Chance
    Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32. Northwest wind 8 to 10 mph, with gusts as high as 22 mph.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 12. West wind 5 to 7 mph.

    Low: 12 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow likely before 1pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 37. Southwest wind 5 to 8 mph. Chance of precipitation is 60%.

    High: 37 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 3am, then a chance of snow between 3am and 4am. Mostly cloudy, with a low around 28. Southwest wind around 6 mph. Chance of precipitation is 50%.

    Low: 28 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 22. Light northwest wind.
Sunday
Mostly cloudy, with a high near 36. Calm wind becoming east 5 to 9 mph in the morning.
Sunday Night
Snow, mainly after 11pm. The snow could be heavy at times. Patchy fog after 2am. Areas of freezing fog after 5am. Low around 28. Blustery, with an east wind 13 to 22 mph, with gusts as high as 44 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Monday
Snow. The snow could be heavy at times. Areas of freezing fog before 8am. High near 33. Windy, with a north wind 22 to 28 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 14 inches possible.
Monday Night
Snow likely, mainly before 2am. Mostly cloudy, with a low around 21. Northwest wind 10 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Mostly sunny, with a high near 32. Northwest wind 8 to 10 mph, with gusts as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 12. West wind 5 to 7 mph.
Wednesday
Snow likely before 1pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 37. Southwest wind 5 to 8 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow before 3am, then a chance of snow between 3am and 4am. Mostly cloudy, with a low around 28. Southwest wind around 6 mph. Chance of precipitation is 50%.
Thursday
A chance of snow before 8am, then a chance of rain. Partly sunny, with a high near 42. Southwest wind 6 to 9 mph. Chance of precipitation is 40%.
Thursday Night
Rain and snow likely. Mostly cloudy, with a low around 28. Southwest wind around 7 mph. Chance of precipitation is 60%.
Friday
A chance of rain and snow. Partly sunny, with a high near 39. Northwest wind 7 to 9 mph. Chance of precipitation is 50%.
Friday Night
Mostly clear, with a low around 23. Southwest wind around 6 mph.
Saturday
Mostly sunny, with a high near 42. South wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Weymouth MA
 42.19°N 70.93°W (Elev. 98 ft)
Last Update:
4:57 pm EST Feb 21, 2026
Forecast Valid:
11pm EST Feb 21, 2026-6pm EST Feb 28, 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