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.

Mostly Cloudy

35°F

2°C

Humidity 72%
Wind Speed SE 3 mph
Barometer 30.12 in (1019.7 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 17 Feb 11:54 am EST
Extended Forecast for

Watertown MA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 40. South wind around 6 mph.

    High: 40 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 31. Light west wind.

    Low: 31 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of snow before 1pm, then a chance of rain between 1pm and 2pm, then snow after 2pm. High near 37. Light and variable wind. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Chance Snow
    then
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow, mainly before 2am. Low around 25. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 25 °F

    Snow

  • Thursday

    Thursday: A slight chance of snow before 8am. Mostly sunny, with a high near 38. North wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 20%.

    High: 38 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow before 1pm, then a chance of rain between 1pm and 2pm, then sleet likely after 2pm. Mostly cloudy, with a high near 39. Calm wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 70%.

    High: 39 °F

    Chance Snow
    then Wintry
    Mix Likely

  • Friday Night

    Friday Night: Snow and sleet likely, possibly mixed with rain before 8pm, then snow. Low around 30. Northeast wind around 6 mph. Chance of precipitation is 80%.

    Low: 30 °F

    Wintry Mix
    then Snow
    Likely

  • Saturday

    Saturday: A chance of snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 39. Northeast wind around 7 mph. Chance of precipitation is 40%.

    High: 39 °F

    Chance Snow
    then Chance
    Rain/Snow

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 40. South wind around 6 mph.
Tonight
Partly cloudy, with a low around 31. Light west wind.
Wednesday
A chance of snow before 1pm, then a chance of rain between 1pm and 2pm, then snow after 2pm. High near 37. Light and variable wind. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday Night
Snow, mainly before 2am. Low around 25. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Thursday
A slight chance of snow before 8am. Mostly sunny, with a high near 38. North wind around 5 mph becoming light and variable in the afternoon. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 24. Calm wind.
Friday
A chance of snow before 1pm, then a chance of rain between 1pm and 2pm, then sleet likely after 2pm. Mostly cloudy, with a high near 39. Calm wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 70%.
Friday Night
Snow and sleet likely, possibly mixed with rain before 8pm, then snow. Low around 30. Northeast wind around 6 mph. Chance of precipitation is 80%.
Saturday
A chance of snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 39. Northeast wind around 7 mph. Chance of precipitation is 40%.
Saturday Night
A chance of snow before 1am. Mostly cloudy, with a low around 27. North wind 3 to 5 mph. Chance of precipitation is 30%.
Sunday
A chance of snow. Mostly cloudy, with a high near 36. Northeast wind 6 to 9 mph. Chance of precipitation is 40%.
Sunday Night
Snow likely. The snow could be heavy at times. Mostly cloudy, with a low around 27. Northeast wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Monday
A chance of snow. Mostly cloudy, with a high near 35. North wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.37°N 71.16°W (Elev. 46 ft)
Last Update:
12:24 pm EST Feb 17, 2026
Forecast Valid:
12pm EST Feb 17, 2026-6pm EST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation