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

78°F

26°C

Humidity 67%
Wind Speed Vrbl 5 mph
Barometer 30.13 in (1021.5 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 5 Aug 9:51 am EDT
Extended Forecast for

Watertown MA

  • Today

    Today: Mostly sunny, with a high near 89. Southwest wind 3 to 7 mph.

    High: 89 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 70. Southwest wind 3 to 6 mph.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, mainly after 5pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 101. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 92 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 73. Southwest wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A chance of showers, mainly after 2pm. Mostly sunny and hot, with a high near 93. West wind 5 to 7 mph. Chance of precipitation is 30%.

    High: 93 °F

    Sunny then
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 72. West wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 91. Southwest wind 5 to 9 mph. Chance of precipitation is 30%.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 72. Southwest wind around 5 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 91. West wind 6 to 10 mph.

    High: 91 °F

    Hot

Detailed Forecast

Today
Mostly sunny, with a high near 89. Southwest wind 3 to 7 mph.
Tonight
Partly cloudy, with a low around 70. Southwest wind 3 to 6 mph.
Thursday
A chance of showers, mainly after 5pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 101. Southwest wind 5 to 8 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 73. Southwest wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers, mainly after 2pm. Mostly sunny and hot, with a high near 93. West wind 5 to 7 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 72. West wind 3 to 5 mph. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms after 3pm. Mostly sunny and hot, with a high near 91. Southwest wind 5 to 9 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 72. Southwest wind around 5 mph. Chance of precipitation is 30%.
Sunday
Sunny and hot, with a high near 91. West wind 6 to 10 mph.
Sunday Night
Mostly clear, with a low around 70. West wind 5 to 7 mph.
Monday
Mostly sunny and hot, with a high near 91. Light west wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 70. West wind 5 to 7 mph.
Tuesday
A chance of showers. Partly sunny, with a high near 86. West wind 6 to 9 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.38°N 71.19°W (Elev. 98 ft)
Last Update:
4:04 am EDT Aug 5, 2026
Forecast Valid:
10am EDT Aug 5, 2026-6pm EDT Aug 11, 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