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

Tracking Atmospheric River for the West Coast; Space Weather Storming Continues

An atmospheric river will bring threats of gusty to high winds and heavy rainfall to California mainly Thursday into Saturday which may bring areas of flooding and wind damage. Heavy snow will be possible over the Sierra Nevada mountains Thursday into Friday associated with the atmospheric river. Minor to severe geomagnetic storming (space weather) is expected to continue into early Thursday. Read More >

Current conditions at

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Overcast

42°F

6°C

Humidity 58%
Wind Speed SW 5 mph
Barometer 29.70 in (1005.8 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 12 Nov 5:52 pm EST
Extended Forecast for

West Chatham MA

  • Tonight

    Tonight: Partly cloudy, with a low around 39. West wind 8 to 10 mph, with gusts as high as 23 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain, mainly after 4pm. Partly sunny, with a high near 50. West wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 50 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A chance of rain. Mostly cloudy, with a low around 36. Northwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 36 °F

    Chance Rain

  • Friday

    Friday: A chance of rain, mainly before 2pm. Partly sunny, with a high near 45. Northwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 45 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 33. Northwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 33 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 47. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Rain likely, mainly after 4am. Mostly cloudy, with a low around 37. West wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 37 °F

    Chance Rain
    then Rain
    Likely

  • Sunday

    Sunday: Rain. High near 55. Southwest wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 55 °F

    Rain

  • Sunday Night

    Sunday Night: A chance of rain. Mostly cloudy, with a low around 35. West wind 11 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.

    Low: 35 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. West wind 8 to 10 mph, with gusts as high as 23 mph.
Thursday
A chance of rain, mainly after 4pm. Partly sunny, with a high near 50. West wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 36. Northwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Friday
A chance of rain, mainly before 2pm. Partly sunny, with a high near 45. Northwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Friday Night
A chance of rain, mainly before 11pm. Mostly cloudy, with a low around 33. Northwest wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 47. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 37. West wind around 8 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday
Rain. High near 55. Southwest wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 35. West wind 11 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.
Monday
A chance of rain before 9am. Mostly sunny, with a high near 46. West wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 34. West wind 10 to 13 mph, with gusts as high as 28 mph.
Tuesday
Mostly sunny, with a high near 47. West wind 9 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly cloudy, with a low around 36. West wind around 7 mph.
Wednesday
Mostly sunny, with a high near 50. West wind around 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Chatham MA
 41.68°N 69.99°W (Elev. 33 ft)
Last Update:
12:20 pm EST Nov 12, 2025
Forecast Valid:
6pm EST Nov 12, 2025-6pm EST Nov 19, 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