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.

A Few Clouds

31°F

-1°C

Humidity 30%
Wind Speed SW 14 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 16 Jan 4:54 pm EST
Extended Forecast for

Watertown MA

  • Tonight

    Tonight: Increasing clouds, with a low around 25. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 25 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A slight chance of snow before 11am, then rain likely. Cloudy, with a high near 43. South wind 5 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 43 °F

    Slight Chance
    Rain/Snow
    then Rain
    Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 31. Southwest wind 3 to 6 mph.

    Low: 31 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow, mainly after 10am. Cloudy, with a high near 39. Southwest wind 3 to 6 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.

    High: 39 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A chance of snow, mainly before midnight. Mostly cloudy, with a low around 24. West wind 3 to 6 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 3 inches possible.

    Low: 24 °F

    Chance Snow
    then Slight
    Chance Snow

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 33. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 33 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 22. West wind 9 to 11 mph, with gusts as high as 24 mph.

    High: 22 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 10. West wind around 7 mph.

    Low: 10 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 25. West wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Saturday
A slight chance of snow before 11am, then rain likely. Cloudy, with a high near 43. South wind 5 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday Night
Mostly cloudy, with a low around 31. Southwest wind 3 to 6 mph.
Sunday
A chance of snow, mainly after 10am. Cloudy, with a high near 39. Southwest wind 3 to 6 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
A chance of snow, mainly before midnight. Mostly cloudy, with a low around 24. West wind 3 to 6 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 3 inches possible.
M.L.King Day
Mostly sunny, with a high near 33. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 15. Southwest wind 8 to 10 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 22. West wind 9 to 11 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 10. West wind around 7 mph.
Wednesday
Mostly sunny, with a high near 28. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 20. Southwest wind around 6 mph. Chance of precipitation is 30%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 35. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 19. Northwest wind around 7 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 29. West wind 6 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.37°N 71.16°W (Elev. 46 ft)
Last Update:
3:43 pm EST Jan 16, 2026
Forecast Valid:
5pm EST Jan 16, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation