Severe Thunderstorms in the Ohio and Tennessee Valleys; Flash Flooding Possible in the Southwest

Scattered damaging winds, isolated severe hail, and a brief tornado or two are possible from the Upper Ohio to Tennessee Valleys during the late afternoon and evening. Across the Southwest, monsoonal moisture will continue to bring heavy rain and a threat for isolated to scattered flash flooding through Saturday. Read More >

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Overcast

69°F

21°C

Humidity	70%
Wind Speed	W 8 mph
Barometer	29.99 in (1015.4 mb)
Dewpoint	59°F (15°C)
Visibility	10.00 mi
Last update	6 Sep 9:54 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Watertown MA

Tonight
Low: 61 °F
Showers
Likely
Sunday
High: 67 °F
Showers and
Patchy Fog
Sunday Night
Low: 53 °F
Decreasing
Clouds
Monday
High: 74 °F
Sunny
Monday Night
Low: 52 °F
Partly Cloudy
Tuesday
High: 73 °F
Mostly Sunny
Tuesday Night
Low: 55 °F
Mostly Cloudy
Wednesday
High: 71 °F
Chance
Showers
Wednesday Night
Low: 54 °F
Mostly Cloudy

Detailed Forecast

Tonight

Showers likely and possibly a thunderstorm. Cloudy, with a low around 61. Northwest wind 3 to 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers and possibly a thunderstorm before 11am, then showers likely. Patchy fog. High near 67. North wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Sunday Night

Mostly cloudy, then gradually becoming mostly clear, with a low around 53. West wind around 6 mph.

Monday

Sunny, with a high near 74. Northwest wind around 6 mph.

Monday Night

Partly cloudy, with a low around 52. Light and variable wind.

Tuesday

Mostly sunny, with a high near 73. East wind 5 to 8 mph.

Tuesday Night

Mostly cloudy, with a low around 55. East wind 3 to 6 mph.

Wednesday

A chance of showers before 2pm, then a chance of showers after 5pm. Mostly cloudy, with a high near 71. Northeast wind 6 to 8 mph. Chance of precipitation is 30%.

Wednesday Night

Mostly cloudy, with a low around 54. Northeast wind around 5 mph becoming light and variable in the evening.

Thursday

Sunny, with a high near 79. North wind around 6 mph.

Thursday Night

Mostly clear, with a low around 52. North wind around 6 mph.

Friday

Sunny, with a high near 68. Northeast wind 7 to 9 mph.

Friday Night

Mostly clear, with a low around 49. Northeast wind around 5 mph becoming light and variable in the evening.

Saturday

Sunny, with a high near 71. North wind around 7 mph becoming east in the afternoon.