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.

Partly Cloudy

64°F

18°C

Humidity 70%
Wind Speed S 3 mph
Barometer 30.27 in (1025.1 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 8 Aug 5:54 am EDT
Extended Forecast for

Watertown MA

  • Today

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

    High: 84 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. Southeast wind around 6 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Calm wind becoming southeast around 6 mph in the afternoon.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. Southeast wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89. Calm wind becoming south around 6 mph in the afternoon.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67. South wind 3 to 6 mph.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Sunny and hot, with a high near 91. South wind 3 to 6 mph.

    High: 91 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. Southwest wind around 6 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 93. Southwest wind 5 to 7 mph.

    High: 93 °F

    Hot

Detailed Forecast

Today
Mostly sunny, with a high near 84. Calm wind becoming southeast around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 58. Southeast wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 83. Calm wind becoming southeast around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 61. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 89. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 67. South wind 3 to 6 mph.
Monday
Sunny and hot, with a high near 91. South wind 3 to 6 mph.
Monday Night
Mostly clear, with a low around 69. Southwest wind around 6 mph.
Tuesday
Sunny and hot, with a high near 93. Southwest wind 5 to 7 mph.
Tuesday Night
Mostly clear, with a low around 71. Southwest wind around 7 mph.
Wednesday
Mostly sunny and hot, with a high near 93. Southwest wind around 7 mph.
Wednesday Night
Partly cloudy, with a low around 71. Southwest wind around 6 mph.
Thursday
Mostly sunny and hot, with a high near 91. Southwest wind 5 to 7 mph becoming south in the afternoon.
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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:
3:03 am EDT Aug 8, 2025
Forecast Valid:
6am EDT Aug 8, 2025-6pm EDT Aug 14, 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

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation