Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Current conditions at

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Fair

56°F

13°C

Humidity	65%
Wind Speed	SE 6 mph
Barometer	30.47 in (1031.8 mb)
Dewpoint	44°F (7°C)
Visibility	10.00 mi
Last update	11 Oct 8:52 am EDT

More Information:

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

Extended Forecast for

Harwich Port MA

Today
High: 62 °F
Increasing
Clouds
Tonight
Low: 54 °F
Heavy Rain
and Patchy
Fog
Columbus Day
High: 63 °F
Chance
Showers and
Patchy Fog
then Mostly
Cloudy
Monday Night
Low: 53 °F
Increasing
Clouds
Tuesday
High: 64 °F
Mostly Cloudy
Tuesday Night
Low: 56 °F
Chance
Showers
Wednesday
High: 67 °F
Chance
Showers then
Mostly Sunny
Wednesday Night
Low: 49 °F
Partly Cloudy
Thursday
High: 59 °F
Sunny

Detailed Forecast

Today

Increasing clouds, with a high near 62. Southeast wind 8 to 10 mph.

Tonight

Showers, with thunderstorms also possible after 5am. Some of the storms could produce heavy rainfall. Patchy fog. Low around 54. East wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Columbus Day

A chance of showers and thunderstorms before 9am, then a slight chance of showers between 9am and 10am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 63. North wind around 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

Increasing clouds, with a low around 53. North wind 3 to 8 mph.

Tuesday

Mostly cloudy, with a high near 64. East wind 9 to 11 mph becoming southeast in the afternoon.

Tuesday Night

A slight chance of showers between 9pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 56. Southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

Wednesday

A chance of showers before 10am. Partly sunny, with a high near 67. Southwest wind around 14 mph. Chance of precipitation is 30%.

Wednesday Night

Partly cloudy, with a low around 49. Northwest wind 10 to 14 mph.

Thursday

Sunny, with a high near 59. Northwest wind 15 to 17 mph.

Thursday Night

Partly cloudy, with a low around 48. North wind 8 to 11 mph.

Friday

A chance of showers. Partly sunny, with a high near 63. South wind 9 to 15 mph. Chance of precipitation is 40%.

Friday Night

Showers likely. Mostly cloudy, with a low around 50. Breezy, with a south wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.

Saturday

Showers likely. Mostly cloudy, with a high near 59. Breezy, with a west wind around 22 mph, with gusts as high as 33 mph. Chance of precipitation is 60%.