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

45°F

7°C

Humidity 71%
Wind Speed NE 16 mph
Barometer 30.08 in (1018.7 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 11 Mar 10:54 am EDT
Extended Forecast for

Watertown MA

  • Today

    Today: A slight chance of rain before 5pm. Partly sunny, with a high near 50. East wind around 7 mph. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A chance of rain, with thunderstorms also possible after 11pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a temperature rising to around 57 by 2am. South wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 48 °F⇑

    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Rain, mainly before 4pm. Patchy fog before 8am. Temperature falling to around 40 by 5pm. West wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F⇓

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of snow, mainly before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 30. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance Snow
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 46. South wind 6 to 11 mph, with gusts as high as 21 mph.

    High: 46 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain and snow before 9pm, then a chance of rain. Mostly cloudy, with a low around 38. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 38 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 48. West wind 11 to 17 mph, with gusts as high as 31 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. West wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 47. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 47 °F

    Mostly Cloudy

Detailed Forecast

Today
A slight chance of rain before 5pm. Partly sunny, with a high near 50. East wind around 7 mph. Chance of precipitation is 20%.
Tonight
A chance of rain, with thunderstorms also possible after 11pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a temperature rising to around 57 by 2am. South wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Thursday
Rain, mainly before 4pm. Patchy fog before 8am. Temperature falling to around 40 by 5pm. West wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of snow, mainly before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 30. West wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Friday
Mostly sunny, with a high near 46. South wind 6 to 11 mph, with gusts as high as 21 mph.
Friday Night
A chance of rain and snow before 9pm, then a chance of rain. Mostly cloudy, with a low around 38. South wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
Mostly sunny, with a high near 48. West wind 11 to 17 mph, with gusts as high as 31 mph.
Saturday Night
Partly cloudy, with a low around 29. West wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly cloudy, with a high near 47. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Sunday Night
Rain likely, mainly after 2am. Cloudy, with a low around 37. Southeast wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Monday
Rain. High near 60. South wind 13 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
Monday Night
Rain likely. Mostly cloudy, with a low around 32. West wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Tuesday
Sunny, with a high near 42. West wind around 11 mph, with gusts as high as 22 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:
7:06 am EDT Mar 11, 2026
Forecast Valid:
11am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation