Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Overcast

69°F

21°C

Humidity 81%
Wind Speed NE 8 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 21 Aug 4:54 pm EDT
Extended Forecast for

Watertown MA

  • Tonight

    Tonight: A slight chance of showers after 2am.  Mostly cloudy, with a low around 63. North wind 3 to 7 mph.  Chance of precipitation is 20%.

    Low: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, mainly after 8am.  Cloudy, with a high near 73. Northeast wind 7 to 9 mph.  Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 73 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers before midnight, then a chance of showers after 3am. The rain could be heavy at times.  Patchy fog after 9pm.  Otherwise, cloudy, with a low around 63. Light northeast wind.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Heavy Rain
    and Patchy
    Fog

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 2pm. Some of the storms could produce heavy rainfall.  Patchy fog before 9am.  Otherwise, mostly cloudy, with a high near 79. East wind 3 to 7 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Heavy Rain
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 65. South wind 3 to 5 mph.  Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 83. Southwest wind 5 to 10 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 60. West wind around 6 mph.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81. West wind 6 to 10 mph.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. West wind around 6 mph.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers after 2am. Mostly cloudy, with a low around 63. North wind 3 to 7 mph. Chance of precipitation is 20%.
Saturday
A chance of showers, mainly after 8am. Cloudy, with a high near 73. Northeast wind 7 to 9 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A slight chance of showers before midnight, then a chance of showers after 3am. The rain could be heavy at times. Patchy fog after 9pm. Otherwise, cloudy, with a low around 63. Light northeast wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers likely, with thunderstorms also possible after 2pm. Some of the storms could produce heavy rainfall. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 79. East wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 65. South wind 3 to 5 mph. Chance of precipitation is 30%.
Monday
Sunny, with a high near 83. Southwest wind 5 to 10 mph.
Monday Night
Clear, with a low around 60. West wind around 6 mph.
Tuesday
Sunny, with a high near 81. West wind 6 to 10 mph.
Tuesday Night
Mostly clear, with a low around 60. West wind around 6 mph.
Wednesday
Sunny, with a high near 84. West wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 64. Southwest wind 3 to 5 mph.
Thursday
A chance of showers. Partly sunny, with a high near 83. Light south wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 66. South wind 3 to 6 mph. Chance of precipitation is 40%.
Friday
A chance of showers. Partly sunny, with a high near 83. West wind 5 to 8 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.37°N 71.16°W (Elev. 46 ft)
2:48 pm EDT Aug 21, 2026
5pm EDT Aug 21, 2026-6pm EDT Aug 28, 2026
 
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Additional Resources

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