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.

Fog/Mist

41°F

5°C

Humidity 96%
Wind Speed S 7 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 40°F (4°C)
Visibility 4.00 mi
Wind Chill36°F (2°C)
Last update 1 Apr 1:54 am EDT
Extended Forecast for

Watertown MA

  • Overnight

    Overnight: A chance of showers, mainly before 3am. Patchy fog before 5am. Otherwise, mostly cloudy, with a low around 42. Southwest wind around 8 mph. Chance of precipitation is 30%.

    Low: 42 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 71. Southwest wind around 9 mph becoming northwest in the afternoon. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 3am. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 38. Northeast wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 38 °F

    Chance
    Showers then
    Showers
    Likely and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers. Patchy fog between 10am and 11am. Otherwise, cloudy, with a high near 42. Northeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers. Cloudy, with a low around 38. East wind 3 to 7 mph. Chance of precipitation is 40%.

    Low: 38 °F

    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 67. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 67 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. Southwest wind 7 to 9 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 69. West wind 6 to 10 mph becoming east in the afternoon.

    High: 69 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 7pm. Mostly cloudy, with a low around 44. East wind 5 to 7 mph. Chance of precipitation is 40%.

    Low: 44 °F

    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers, mainly before 3am. Patchy fog before 5am. Otherwise, mostly cloudy, with a low around 42. Southwest wind around 8 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers. Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 71. Southwest wind around 9 mph becoming northwest in the afternoon. Chance of precipitation is 50%.
Wednesday Night
Showers likely, mainly after 3am. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 38. Northeast wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers. Patchy fog between 10am and 11am. Otherwise, cloudy, with a high near 42. Northeast wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of showers. Cloudy, with a low around 38. East wind 3 to 7 mph. Chance of precipitation is 40%.
Friday
Mostly cloudy, with a high near 67. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Friday Night
Partly cloudy, with a low around 55. Southwest wind 7 to 9 mph.
Saturday
Partly sunny, with a high near 69. West wind 6 to 10 mph becoming east in the afternoon.
Saturday Night
A chance of showers after 7pm. Mostly cloudy, with a low around 44. East wind 5 to 7 mph. Chance of precipitation is 40%.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 65. Southwest wind 7 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 41. West wind 8 to 10 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 54. Northwest wind 8 to 10 mph.
Monday Night
Mostly clear, with a low around 35. Northwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 51. Northwest wind 5 to 8 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:
12:19 am EDT Apr 1, 2026
Forecast Valid:
2am EDT Apr 1, 2026-6pm EDT Apr 7, 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