Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Boston, Logan International Airport (KBOS)

Lat: 42.36°NLon: 71.01°WElev: 20ft.

Overcast

38°F

3°C

Humidity	60%
Wind Speed	S 7 mph
Barometer	29.98 in (1015.0 mb)
Dewpoint	25°F (-4°C)
Visibility	10.00 mi
Wind Chill	33°F (1°C)
Last update	7 Dec 6:54 pm EST

More Information:

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

Extended Forecast for

Watertown MA

Tonight
Low: 20 °F
Decreasing
Clouds
Monday
High: 25 °F
Sunny
Monday Night
Low: 12 °F
Mostly Clear
Tuesday
High: 35 °F
Increasing
Clouds
Tuesday Night
Low: 26 °F
Chance Snow
Wednesday
High: 45 °F
Chance
Rain/Snow
then Rain
Likely
Wednesday Night
Low: 34 °F
Chance Rain
Thursday
High: 41 °F
Mostly Sunny
Thursday Night
Low: 25 °F
Mostly Cloudy

Detailed Forecast

Tonight

Mostly cloudy, then gradually becoming mostly clear, with a low around 20. Light and variable wind becoming northwest 5 to 10 mph in the evening.

Monday

Sunny, with a high near 25. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.

Monday Night

Mostly clear, with a low around 12. Northwest wind around 6 mph becoming calm after midnight.

Tuesday

Increasing clouds, with a high near 35. Calm wind becoming southwest 5 to 7 mph in the morning.

Tuesday Night

A chance of snow before 4am, then a slight chance of snow after 5am. Mostly cloudy, with a low around 26. Southwest wind around 6 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Wednesday

A slight chance of snow before 8am, then rain likely. Mostly cloudy, with a high near 45. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Wednesday Night

A chance of rain before 3am. Mostly cloudy, with a low around 34. Southwest wind around 9 mph. Chance of precipitation is 50%.

Thursday

Mostly sunny, with a high near 41. West wind 8 to 10 mph, with gusts as high as 20 mph.

Thursday Night

Mostly cloudy, with a low around 25. West wind around 6 mph.

Friday

A chance of snow after noon. Partly sunny, with a high near 36. West wind 6 to 8 mph. Chance of precipitation is 30%.

Friday Night

A chance of snow. Mostly cloudy, with a low around 20. West wind around 6 mph. Chance of precipitation is 30%.

Saturday

A chance of snow. Partly sunny, with a high near 32. Northwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.