National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Atmospheric River Continues Areas of Heavy Rain and Snow for California This Weekend

An atmospheric river will continue to bring gusty winds, moderate to heavy rainfall, and potential flooding to southern California and the southern Great Basin through Sunday. Periods of heavy snow will continue as well above 7,000 feet over the Sierra Nevada mountains associated with this atmospheric river. Read More >

Current conditions at

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Overcast

45°F

7°C

Humidity 63%
Wind Speed SW 8 mph
Barometer 29.52 in (999.7 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 15 Nov 8:52 pm EST
Extended Forecast for

West Harwich MA

  • Tonight

    Tonight: Rain, mainly before 4am. Patchy fog after 11pm. Temperature rising to around 51 by 4am. South wind 9 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 41 °F⇑

    Rain and
    Patchy Fog

  • Sunday

    Sunday: A chance of rain between 7am and noon. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 57. West wind 13 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.

    High: 57 °F

    Chance Rain
    and Patchy
    Fog then
    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain before 10pm, then a slight chance of rain and snow between 10pm and 11pm, then a slight chance of snow after 11pm. Partly cloudy, with a low around 32. West wind 15 to 17 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Monday

    Monday: Mostly sunny, with a high near 45. West wind 16 to 18 mph, with gusts as high as 31 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. West wind 13 to 15 mph, with gusts as high as 29 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 48. West wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34. West wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48. West wind 6 to 8 mph.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36. Northwest wind around 5 mph.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain, mainly before 4am. Patchy fog after 11pm. Temperature rising to around 51 by 4am. South wind 9 to 18 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A chance of rain between 7am and noon. Patchy fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 57. West wind 13 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.
Sunday Night
A slight chance of rain before 10pm, then a slight chance of rain and snow between 10pm and 11pm, then a slight chance of snow after 11pm. Partly cloudy, with a low around 32. West wind 15 to 17 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 45. West wind 16 to 18 mph, with gusts as high as 31 mph.
Monday Night
Mostly clear, with a low around 33. West wind 13 to 15 mph, with gusts as high as 29 mph.
Tuesday
Sunny, with a high near 48. West wind 11 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 34. West wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 48. West wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 36. Northwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 48. Northwest wind 5 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 37. Light and variable wind becoming south around 5 mph after midnight.
Friday
A chance of rain. Mostly cloudy, with a high near 54. South wind 7 to 10 mph. Chance of precipitation is 50%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 42. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Saturday
A chance of rain. Mostly cloudy, with a high near 57. West wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Harwich MA
 41.68°N 70.13°W (Elev. 10 ft)
Last Update:
6:27 pm EST Nov 15, 2025
Forecast Valid:
9pm EST Nov 15, 2025-6pm EST Nov 22, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation