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

Hazardous Weather Conditions

Current conditions at

Laurence G Hanscom Field Airport (KBED)

Lat: 42.47°NLon: 71.29°WElev: 132ft.

Fair

84°F

29°C

Humidity 72%
Wind Speed S 9 mph
Barometer 29.92 in (1014.1 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 16 Jul 7:51 pm EDT
Extended Forecast for

Watertown MA

Heat Advisory July 16, 07:59pm until July 17, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 16, 07:59pm until July 17, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Tonight

    Low: 75 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 4pm. Cloudy, then gradually becoming mostly sunny and hot, with a high near 90. Heat index values as high as 98. Southwest wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 74. Southwest wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 84. Northwest wind 8 to 10 mph.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. North wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after midnight. Mostly cloudy, with a low around 68. Southwest wind around 6 mph. Chance of precipitation is 40%.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Southwest wind 6 to 8 mph. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
Increasing clouds, with a low around 75. South wind 5 to 7 mph.
Thursday
Showers and thunderstorms likely, mainly before 4pm. Cloudy, then gradually becoming mostly sunny and hot, with a high near 90. Heat index values as high as 98. Southwest wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 74. Southwest wind around 7 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 84. Northwest wind 8 to 10 mph.
Friday Night
Mostly clear, with a low around 62. North wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night
A chance of showers after midnight. Mostly cloudy, with a low around 68. Southwest wind around 6 mph. Chance of precipitation is 40%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 81. Southwest wind 6 to 8 mph. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 64. West wind around 5 mph becoming northwest after midnight. Chance of precipitation is 30%.
Monday
Sunny, with a high near 81. North wind around 7 mph.
Monday Night
Mostly clear, with a low around 62. Northeast wind around 5 mph becoming light and variable in the evening.
Tuesday
Mostly sunny, with a high near 82. Light and variable wind becoming southeast 5 to 7 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 65. Southwest wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 85. South wind 5 to 8 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:
7:05 pm EDT Jul 16, 2025
Forecast Valid:
7pm EDT Jul 16, 2025-6pm EDT Jul 23, 2025
 
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