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.

Overcast

45°F

7°C

Humidity 90%
Wind Speed S 12 mph
Barometer 30.25 in (1024.4 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 13 Apr 2:54 am EDT
Extended Forecast for

Watertown MA

  • Overnight

    Overnight: A chance of showers, mainly before 4am. Cloudy, with a low around 45. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 45 °F

    Chance
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 74. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 33 mph.

    High: 74 °F

    Cloudy then
    Mostly Cloudy
    and Breezy

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Southwest wind 7 to 16 mph.

    Low: 59 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. West wind 6 to 10 mph becoming south in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 2am. Mostly cloudy, with a low around 60. South wind 10 to 15 mph becoming west after midnight. Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly after 3pm. Partly sunny, with a high near 81. East wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 58. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers after 2pm. Mostly cloudy, with a high near 71. Light east wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 30%.

    High: 71 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers before 5am. Mostly cloudy, with a low around 55. Southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Overnight
A chance of showers, mainly before 4am. Cloudy, with a low around 45. South wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Monday
Mostly cloudy, with a high near 74. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 33 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Southwest wind 7 to 16 mph.
Tuesday
Mostly sunny, with a high near 81. West wind 6 to 10 mph becoming south in the afternoon.
Tuesday Night
A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 2am. Mostly cloudy, with a low around 60. South wind 10 to 15 mph becoming west after midnight. Chance of precipitation is 40%.
Wednesday
A chance of showers, mainly after 3pm. Partly sunny, with a high near 81. East wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 58. East wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%.
Thursday
A chance of showers after 2pm. Mostly cloudy, with a high near 71. Light east wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 5am. Mostly cloudy, with a low around 55. Southeast wind around 6 mph becoming southwest after midnight. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 77. West wind 5 to 8 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 52. Northwest wind around 5 mph becoming light and variable after midnight.
Saturday
Partly sunny, with a high near 69. Northeast wind 5 to 8 mph becoming southeast in the afternoon.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 53. South wind around 7 mph. Chance of precipitation is 30%.
Sunday
A chance of showers. Mostly cloudy, with a high near 72. Southwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.38°N 71.19°W (Elev. 98 ft)
Last Update:
3:11 am EDT Apr 13, 2026
Forecast Valid:
3am EDT Apr 13, 2026-6pm EDT Apr 19, 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