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

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Fair

38°F

3°C

Humidity	57%
Wind Speed	Calm
Barometer	30.04 in (1017.4 mb)
Dewpoint	24°F (-4°C)
Visibility	10.00 mi
Last update	7 Dec 3:52 pm EST

More Information:

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

Extended Forecast for

Harwich Port MA

Tonight
Low: 23 °F
Decreasing
Clouds
Monday
High: 32 °F
Mostly Sunny
Monday Night
Low: 18 °F
Mostly Cloudy
Tuesday
High: 43 °F
Increasing
Clouds
Tuesday Night
Low: 32 °F
Chance
Rain/Snow
then Chance
Rain
Wednesday
High: 50 °F
Chance Rain
Wednesday Night
Low: 36 °F
Chance Rain
Thursday
High: 44 °F
Partly Sunny
Thursday Night
Low: 28 °F
Mostly Cloudy

Detailed Forecast

Tonight

Mostly cloudy, then gradually becoming mostly clear, with a low around 23. Southwest wind 5 to 14 mph becoming northwest after midnight. Winds could gust as high as 24 mph.

Monday

Mostly sunny, with a high near 32. North wind 14 to 18 mph, with gusts as high as 29 mph.

Monday Night

Mostly cloudy, with a low around 18. North wind 7 to 10 mph, with gusts as high as 20 mph.

Tuesday

Increasing clouds, with a high near 43. Northwest wind 6 to 9 mph becoming southwest in the afternoon.

Tuesday Night

A slight chance of snow before 8pm, then a chance of rain. Cloudy, with a low around 32. South wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

Wednesday

A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 50. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

Wednesday Night

A chance of rain before 4am. Mostly cloudy, with a low around 36. Southwest wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

Thursday

Partly sunny, with a high near 44. West wind around 14 mph.

Thursday Night

Mostly cloudy, with a low around 28. West wind 8 to 10 mph, with gusts as high as 20 mph.

Friday

A chance of snow before 8am, then a chance of rain. Partly sunny, with a high near 38. West wind 8 to 11 mph. Chance of precipitation is 40%.

Friday Night

A chance of rain and snow. Mostly cloudy, with a low around 26. West wind around 10 mph. Chance of precipitation is 40%.

Saturday

A chance of rain and snow. Partly sunny, with a high near 38. Northwest wind 10 to 14 mph. Chance of precipitation is 40%.

Saturday Night

A chance of snow. Mostly cloudy, with a low around 22. West wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.