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.

Fair

62°F

17°C

Humidity 93%
Wind Speed Calm
Barometer 29.91 in (1013.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 20 Aug 3:51 am EDT
Extended Forecast for

Watertown MA

  • Today

    Today: Increasing clouds, with a high near 87. West wind around 5 mph becoming calm in the afternoon.

    High: 87 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Showers likely, mainly between 10pm and 11pm. Mostly cloudy, with a low around 63. Northwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 63 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers, mainly after 5pm. Partly sunny, with a high near 79. Northeast wind 5 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 79 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 63. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 5pm. Some of the storms could produce heavy rainfall. High near 75. Northeast wind 7 to 9 mph. Chance of precipitation is 90%.

    High: 75 °F

    Heavy Rain

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 11pm, then a chance of showers. Low around 63. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.

    Low: 63 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers after 8am. Mostly cloudy, with a high near 82. South wind 3 to 6 mph. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 11pm. Mostly cloudy, with a low around 64. Light southwest wind. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 83. West wind 5 to 9 mph.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 87. West wind around 5 mph becoming calm in the afternoon.
Tonight
Showers likely, mainly between 10pm and 11pm. Mostly cloudy, with a low around 63. Northwest wind around 6 mph becoming calm after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A chance of showers, mainly after 5pm. Partly sunny, with a high near 79. Northeast wind 5 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 63. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers, with thunderstorms also possible after 5pm. Some of the storms could produce heavy rainfall. High near 75. Northeast wind 7 to 9 mph. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm before 11pm, then a chance of showers. Low around 63. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Sunday
A chance of showers after 8am. Mostly cloudy, with a high near 82. South wind 3 to 6 mph. Chance of precipitation is 50%.
Sunday Night
A chance of showers before 11pm. Mostly cloudy, with a low around 64. Light southwest wind. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 83. West wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 59. West wind around 6 mph.
Tuesday
Sunny, with a high near 82. West wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 60. West wind 3 to 5 mph.
Wednesday
Sunny, with a high near 83. Southwest wind 5 to 7 mph.
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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:
2:31 am EDT Aug 20, 2026
Forecast Valid:
4am EDT Aug 20, 2026-6pm EDT Aug 26, 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