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.

Overcast

45°F

7°C

Humidity 71%
Wind Speed SW 20 G 28 mph
Barometer 29.65 in (1003.9 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 14 Jan 2:54 am EST
Extended Forecast for

Watertown MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 37. Southwest wind around 11 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain between noon and 1pm. Mostly cloudy, with a high near 53. Southwest wind 8 to 10 mph. Chance of precipitation is 20%.

    High: 53 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before midnight, then showers likely, mainly between midnight and 4am. Cloudy, with a low around 40. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Chance Rain
    then Showers
    Likely

  • Thursday

    Thursday: A chance of showers, mainly before 7am. Mostly cloudy, with a high near 43. South wind 7 to 17 mph becoming southwest in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 43 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of snow showers before 1am. Partly cloudy, with a low around 17. West wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 17 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: Sunny, with a high near 31. West wind 11 to 18 mph, with gusts as high as 32 mph.

    High: 31 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain after 11am. Mostly cloudy, with a high near 42. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 42 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain before 2am, then a chance of snow. Mostly cloudy, with a low around 28. Southwest wind around 5 mph. Chance of precipitation is 40%.

    Low: 28 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 37. Southwest wind around 11 mph.
Wednesday
A slight chance of rain between noon and 1pm. Mostly cloudy, with a high near 53. Southwest wind 8 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of rain before midnight, then showers likely, mainly between midnight and 4am. Cloudy, with a low around 40. South wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers, mainly before 7am. Mostly cloudy, with a high near 43. South wind 7 to 17 mph becoming southwest in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A slight chance of snow showers before 1am. Partly cloudy, with a low around 17. West wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Friday
Sunny, with a high near 31. West wind 11 to 18 mph, with gusts as high as 32 mph.
Friday Night
Mostly cloudy, with a low around 27. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.
Saturday
A chance of rain after 11am. Mostly cloudy, with a high near 42. Southwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday Night
A chance of rain before 2am, then a chance of snow. Mostly cloudy, with a low around 28. Southwest wind around 5 mph. Chance of precipitation is 40%.
Sunday
A chance of snow. Mostly cloudy, with a high near 35. West wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Sunday Night
A chance of snow. Partly cloudy, with a low around 21. West wind around 7 mph. Chance of precipitation is 30%.
M.L.King Day
Mostly sunny, with a high near 33. West wind 7 to 10 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 21. Southwest wind around 7 mph.
Tuesday
Mostly sunny, with a high near 30. West wind 8 to 13 mph, with gusts as high as 25 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.37°N 71.16°W (Elev. 46 ft)
Last Update:
2:10 am EST Jan 14, 2026
Forecast Valid:
3am EST Jan 14, 2026-6pm EST Jan 20, 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