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

59°F

15°C

Humidity 90%
Wind Speed N 8 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 4 Oct 10:54 pm EDT
Extended Forecast for

Watertown MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. Light northwest wind.

    Low: 50 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 67. Southwest wind 6 to 15 mph, with gusts as high as 26 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42. West wind 8 to 11 mph.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59. West wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 40. West wind around 6 mph becoming calm after midnight.

    Low: 40 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. West wind around 6 mph.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 50. Light northwest wind.
Monday
Sunny, with a high near 67. Southwest wind 6 to 15 mph, with gusts as high as 26 mph.
Monday Night
Clear, with a low around 42. West wind 8 to 11 mph.
Tuesday
Sunny, with a high near 59. West wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday Night
Clear, with a low around 40. West wind around 6 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 66. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 51. Southwest wind 7 to 9 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 72. Southwest wind 7 to 10 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 51. West wind around 6 mph.
Friday
Sunny, with a high near 68. West wind 6 to 9 mph.
Friday Night
Mostly clear, with a low around 49. West wind around 6 mph.
Saturday
Sunny, with a high near 64. West wind 7 to 9 mph.
Saturday Night
Mostly clear, with a low around 45. North wind 3 to 5 mph.
Sunday
Sunny, with a high near 63. Northwest wind 5 to 8 mph becoming south in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.38°N 71.19°W (Elev. 98 ft)
Last Update:
7:36 pm EDT Oct 4, 2026
Forecast Valid:
11pm EDT Oct 4, 2026-6pm EDT Oct 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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