Current conditions at
Boston, Logan International Airport (KBOS)
Lat: 42.36°NLon: 71.01°WElev: 20ft.
Partly Cloudy
85°F
29°C
| Humidity | 39% |
| Wind Speed | SW 7 G 23 mph |
| Barometer | 29.82 in (1009.9 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 19 Aug 1:54 pm EDT |
Extended Forecast for
Watertown MA
This Afternoon
High: 87 °F
Mostly Sunny
Tonight
Low: 68 °F
Mostly Clear
Thursday
High: 86 °F
Mostly Sunny
then Slight
Chance
ShowersThursday Night
Low: 64 °F
Chance
ShowersFriday
High: 81 °F
Mostly Sunny
Friday Night
Low: 62 °F
Partly Cloudy
Saturday
High: 77 °F
Chance
ShowersSaturday Night
Low: 63 °F
Chance
ShowersSunday
High: 81 °F
Chance
Showers
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 87. West wind around 8 mph.
Tonight
Mostly clear, with a low around 68. Southwest wind 3 to 5 mph.
Thursday
A slight chance of showers after 3pm. Increasing clouds, with a high near 86. Northwest wind 3 to 6 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 64. Light north wind. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 81. North wind 5 to 9 mph becoming east in the afternoon.
Friday Night
Partly cloudy, with a low around 62. Southeast wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers after 11am. Partly sunny, with a high near 77. East wind 5 to 10 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 63. Northeast wind 3 to 6 mph. Chance of precipitation is 40%.
Sunday
A chance of showers. Mostly cloudy, with a high near 81. Northeast wind 5 to 8 mph becoming southeast in the afternoon. Chance of precipitation is 40%.
Sunday Night
A chance of showers before 11pm. Mostly cloudy, with a low around 64. Southwest wind 3 to 5 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 83. West wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 61. West wind around 6 mph.
Tuesday
Sunny, with a high near 82. West wind 5 to 8 mph.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Watertown MA
42.37°N 71.16°W (Elev. 46 ft)
42.37°N 71.16°W (Elev. 46 ft)
12:51 pm EDT Aug 19, 2026
2pm EDT Aug 19, 2026-6pm EDT Aug 25, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
