National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

A Few Clouds

73°F

23°C

Humidity 53%
Wind Speed Calm
Barometer 29.83 in (1011.2 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 21 Jun 5:51 pm EDT
Extended Forecast for

Watertown MA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 60. Northwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A chance of showers after 2pm. Increasing clouds, with a high near 78. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 78 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 61. Southeast wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 11am, then showers likely. High near 78. Southwest wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 78 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 8pm. Mostly clear, with a low around 62. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Northwest wind 5 to 8 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61. Light west wind.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 3am. Partly cloudy, with a low around 65. South wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 60. Northwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
A chance of showers after 2pm. Increasing clouds, with a high near 78. Calm wind becoming southeast 5 to 7 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 61. Southeast wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers and possibly a thunderstorm before 11am, then showers likely. High near 78. Southwest wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday Night
A chance of showers before 8pm. Mostly clear, with a low around 62. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 85. Northwest wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 61. Light west wind.
Thursday
Sunny, with a high near 86. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Thursday Night
A chance of showers after 3am. Partly cloudy, with a low around 65. South wind 3 to 6 mph. Chance of precipitation is 30%.
Friday
A chance of showers. Partly sunny, with a high near 83. South wind 5 to 10 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 66. South wind 3 to 6 mph. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 88. West wind 5 to 9 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Partly cloudy, with a low around 64. West wind 3 to 5 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 88. Northwest wind 5 to 8 mph.
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:
3:22 pm EDT Jun 21, 2026
Forecast Valid:
6pm EDT Jun 21, 2026-6pm EDT Jun 28, 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