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

34°F

1°C

Humidity 52%
Wind Speed SE 7 mph
Barometer 30.34 in (1027.4 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 19 Mar 10:54 am EDT
Extended Forecast for

Watertown MA

  • Today

    Today: Partly sunny, with a high near 42. Southeast wind 5 to 7 mph.

    High: 42 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 32. South wind around 6 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 52. South wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Rain likely, mainly after 10pm. Mostly cloudy, with a low around 42. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain, mainly before 8am. Partly sunny, with a high near 56. West wind 7 to 10 mph. Chance of precipitation is 30%.

    High: 56 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39. West wind around 7 mph.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 11am. Mostly cloudy, with a high near 56. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.

    High: 56 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain before 11pm, then rain and snow likely. Mostly cloudy, with a low around 34. Southwest wind around 7 mph becoming north in the evening. Chance of precipitation is 60%.

    Low: 34 °F

    Rain/Snow
    Likely

  • Monday

    Monday: A chance of rain and snow before 5pm, then a chance of rain. Mostly cloudy, with a high near 43. North wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    High: 43 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Partly sunny, with a high near 42. Southeast wind 5 to 7 mph.
Tonight
Partly cloudy, with a low around 32. South wind around 6 mph.
Friday
Mostly sunny, with a high near 52. South wind 5 to 9 mph, with gusts as high as 20 mph.
Friday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 42. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A chance of rain, mainly before 8am. Partly sunny, with a high near 56. West wind 7 to 10 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 39. West wind around 7 mph.
Sunday
A chance of rain after 11am. Mostly cloudy, with a high near 56. Southwest wind 6 to 10 mph. Chance of precipitation is 30%.
Sunday Night
A chance of rain before 11pm, then rain and snow likely. Mostly cloudy, with a low around 34. Southwest wind around 7 mph becoming north in the evening. Chance of precipitation is 60%.
Monday
A chance of rain and snow before 5pm, then a chance of rain. Mostly cloudy, with a high near 43. North wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 26. Northwest wind around 7 mph.
Tuesday
Mostly sunny, with a high near 42. Northwest wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 28. Southwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 48. West wind 7 to 10 mph, with gusts as high as 20 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:
3:02 am EDT Mar 19, 2026
Forecast Valid:
11am EDT Mar 19, 2026-6pm EDT Mar 25, 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