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

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Overcast

64°F

18°C

Humidity 63%
Wind Speed S 10 mph
Barometer 30.20 in (1022.5 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 28 Jun 1:54 am EDT
Extended Forecast for

Watertown MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 61. South wind around 6 mph.

    Low: 61 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, mainly before 1pm. Patchy fog between 2pm and 3pm. Otherwise, cloudy, with a high near 80. South wind 6 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 80 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: A slight chance of showers between 7pm and 2am. Patchy fog between 9pm and 3am. Otherwise, mostly cloudy, with a low around 69. South wind around 7 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 86. Northwest wind around 8 mph.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. North wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 90. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 90 °F

    Hot

  • Monday Night

    Monday Night: Partly cloudy, with a low around 71. Southwest wind around 8 mph.

    Low: 71 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 87. Southwest wind 9 to 13 mph. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 70. West wind 6 to 9 mph. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 61. South wind around 6 mph.
Saturday
A chance of showers, mainly before 1pm. Patchy fog between 2pm and 3pm. Otherwise, cloudy, with a high near 80. South wind 6 to 9 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A slight chance of showers between 7pm and 2am. Patchy fog between 9pm and 3am. Otherwise, mostly cloudy, with a low around 69. South wind around 7 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 86. Northwest wind around 8 mph.
Sunday Night
Mostly clear, with a low around 66. North wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 90. Calm wind becoming south 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 71. Southwest wind around 8 mph.
Tuesday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 3pm, then showers likely and possibly a thunderstorm after 3pm. Partly sunny, with a high near 87. Southwest wind 9 to 13 mph. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 11pm. Mostly cloudy, with a low around 70. West wind 6 to 9 mph. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 89. West wind 7 to 11 mph.
Wednesday Night
Mostly clear, with a low around 68. West wind 6 to 8 mph.
Thursday
Sunny, with a high near 88. West wind 6 to 10 mph.
Thursday Night
Partly cloudy, with a low around 67. West wind around 7 mph.
Independence Day
Sunny, with a high near 86. Northwest wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown MA
 42.35°N 71.16°W (Elev. 49 ft)
Last Update:
6:59 pm EDT Jun 27, 2025
Forecast Valid:
2am EDT Jun 28, 2025-6pm EDT Jul 4, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation