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.

Light Rain

41°F

5°C

Humidity 62%
Wind Speed Vrbl 3 mph
Barometer 29.82 in (1010.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 15 Nov 12:52 am EST
Extended Forecast for

East Harwich MA

  • Overnight

    Overnight: Partly cloudy, with a low around 35. Northwest wind around 8 mph, with gusts as high as 21 mph.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 45. Northwest wind around 9 mph becoming west in the afternoon.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Rain, mainly before 4am. Temperature rising to around 52 by 4am. Southwest wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F⇑

    Rain

  • Sunday

    Sunday: A chance of rain, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 55. Breezy, with a west wind 13 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.

    High: 55 °F

    Chance Rain
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 32. Breezy, with a west wind 17 to 20 mph, with gusts as high as 38 mph.

    Low: 32 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: A slight chance of snow between 8am and 9am. Mostly sunny, with a high near 45. West wind 16 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. West wind 14 to 17 mph, with gusts as high as 30 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 47. West wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 35. Northwest wind around 8 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 45. Northwest wind around 9 mph becoming west in the afternoon.
Saturday Night
Rain, mainly before 4am. Temperature rising to around 52 by 4am. Southwest wind 6 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A chance of rain, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 55. Breezy, with a west wind 13 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 30%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Partly cloudy, with a low around 32. Breezy, with a west wind 17 to 20 mph, with gusts as high as 38 mph.
Monday
A slight chance of snow between 8am and 9am. Mostly sunny, with a high near 45. West wind 16 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 33. West wind 14 to 17 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 47. West wind 11 to 14 mph, with gusts as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 35. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 47. Northwest wind around 9 mph.
Wednesday Night
Partly cloudy, with a low around 36. Northwest wind around 6 mph.
Thursday
Mostly sunny, with a high near 50. Northwest wind 6 to 9 mph becoming south in the afternoon.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 39. Southeast wind around 7 mph. Chance of precipitation is 30%.
Friday
A chance of rain. Mostly cloudy, with a high near 53. Southwest wind 8 to 10 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
East Harwich MA
 41.69°N 70.04°W (Elev. 52 ft)
Last Update:
12:07 am EST Nov 15, 2025
Forecast Valid:
1am EST Nov 15, 2025-6pm EST Nov 21, 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