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

23°F

-5°C

Humidity 40%
Wind Speed W 20 G 25 mph
Barometer 30.13 in (1020.1 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 20 Jan 12:54 pm EST
Extended Forecast for

Watertown MA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 24. West wind around 11 mph, with gusts as high as 24 mph.

    High: 24 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 8. Wind chill values as low as -1. Southwest wind around 7 mph, with gusts as high as 22 mph.

    Low: 8 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 34. Wind chill values as low as -1. Southwest wind 5 to 9 mph.

    High: 34 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A chance of snow. Mostly cloudy, with a low around 26. Southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 26 °F

    Chance Snow

  • Thursday

    Thursday: A slight chance of rain and snow before 8am, then a slight chance of rain between 8am and 9am. Mostly sunny, with a high near 42. Southwest wind 8 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 23. West wind around 7 mph, with gusts as high as 22 mph.

    Low: 23 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 30. West wind 6 to 11 mph, with gusts as high as 25 mph.

    High: 30 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 4. West wind around 10 mph, with gusts as high as 23 mph.

    Low: 4 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 14. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 14 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 24. West wind around 11 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 8. Wind chill values as low as -1. Southwest wind around 7 mph, with gusts as high as 22 mph.
Wednesday
Increasing clouds, with a high near 34. Wind chill values as low as -1. Southwest wind 5 to 9 mph.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 26. Southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
A slight chance of rain and snow before 8am, then a slight chance of rain between 8am and 9am. Mostly sunny, with a high near 42. Southwest wind 8 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 23. West wind around 7 mph, with gusts as high as 22 mph.
Friday
Mostly cloudy, with a high near 30. West wind 6 to 11 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 4. West wind around 10 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 14. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around 5. Northwest wind around 7 mph.
Sunday
A chance of snow. Mostly cloudy, with a high near 17. North wind 6 to 8 mph. Chance of precipitation is 40%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 10. North wind around 6 mph. Chance of precipitation is 40%.
Monday
A chance of snow. Partly sunny, with a high near 23. Northwest wind 6 to 9 mph. Chance of precipitation is 40%.
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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:
12:44 pm EST Jan 20, 2026
Forecast Valid:
1pm EST Jan 20, 2026-6pm EST Jan 26, 2026
 
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Additional Resources

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Chance of Precipitation