Current conditions at
Boston, Logan International Airport (KBOS)
Lat: 42.36°NLon: 71.01°WElev: 20ft.
Partly Cloudy
48°F
9°C
| Humidity | 71% |
| Wind Speed | S 8 mph |
| Barometer | 30.08 in (1018.5 mb) |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 13 May 2:54 am EDT |
Extended Forecast for
Watertown MA
Overnight

Low: 44 °F
Mostly Cloudy
Wednesday

High: 66 °F
Chance
ShowersWednesday Night

Low: 52 °F
Mostly Cloudy
Thursday

High: 63 °F
Showers
Thursday Night

Low: 48 °F
Showers and
Patchy FogFriday

High: 56 °F
Showers
Friday Night

Low: 48 °F
Partly Cloudy
Saturday

High: 77 °F
Sunny
Saturday Night

Low: 58 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 44. Calm wind.
Wednesday
A chance of showers, mainly before noon. Mostly cloudy, with a high near 66. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 52. South wind 6 to 13 mph, with gusts as high as 23 mph.
Thursday
Showers, with thunderstorms also possible after 2pm. High near 63. East wind 8 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Patchy fog before 9pm. Low around 48. Northeast wind 3 to 6 mph. Chance of precipitation is 80%.
Friday
Showers, mainly before 2pm. High near 56. Northeast wind 6 to 9 mph. Chance of precipitation is 80%.
Friday Night
Partly cloudy, with a low around 48. Light and variable wind.
Saturday
Sunny, with a high near 77. West wind 6 to 11 mph.
Saturday Night
Mostly clear, with a low around 58. Southwest wind 6 to 9 mph.
Sunday
Sunny, with a high near 82. West wind 7 to 11 mph.
Sunday Night
Partly cloudy, with a low around 56. West wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 77. Light northeast wind becoming east 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 56. Southeast wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 85. Southwest wind 5 to 11 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Watertown MA
42.38°N 71.19°W (Elev. 98 ft)
42.38°N 71.19°W (Elev. 98 ft)
12:35 am EDT May 13, 2026
3am EDT May 13, 2026-6pm EDT May 19, 2026


