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

Hazardous Weather Conditions

Current conditions at

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Light Snow Fog/Mist

33°F

1°C

Humidity 96%
Wind Speed NE 8 mph
Barometer 29.89 in (1012.2 mb)
Dewpoint 32°F (0°C)
Visibility 1.75 mi
Wind Chill26°F (-3°C)
Last update 18 Jan 4:52 pm EST
Extended Forecast for

South Wellfleet MA

Winter Weather Advisory January 18, 05:28pm until January 19, 07:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 18, 05:28pm until January 19, 07:00am

    NOW until 7:00am Mon

    Winter Weather Advisory

  • This Afternoon

    High: 38 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow, becoming all snow after 2am, then gradually ending. Low around 30. Northeast wind around 8 mph becoming north after midnight. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Rain/Snow

  • M.L.King Day

    M.L.King Day: A chance of snow, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 37. Southwest wind 6 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 37 °F

    Chance Snow
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22. Breezy, with a west wind 16 to 23 mph, with gusts as high as 33 mph.

    Low: 22 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27. West wind 14 to 17 mph.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 17. West wind 11 to 18 mph.

    Low: 17 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. Southwest wind around 10 mph.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain after 4am. Mostly cloudy, with a low around 29. Southwest wind 10 to 13 mph. Chance of precipitation is 30%.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

This Afternoon
Rain, possibly mixed with snow. High near 38. Northeast wind around 6 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tonight
Rain and snow, becoming all snow after 2am, then gradually ending. Low around 30. Northeast wind around 8 mph becoming north after midnight. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
M.L.King Day
A chance of snow, mainly before 10am. Cloudy through mid morning, then gradual clearing, with a high near 37. Southwest wind 6 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday Night
Partly cloudy, with a low around 22. Breezy, with a west wind 16 to 23 mph, with gusts as high as 33 mph.
Tuesday
Mostly sunny, with a high near 27. West wind 14 to 17 mph.
Tuesday Night
Mostly clear, with a low around 17. West wind 11 to 18 mph.
Wednesday
Mostly sunny, with a high near 37. Southwest wind around 10 mph.
Wednesday Night
A chance of rain after 4am. Mostly cloudy, with a low around 29. Southwest wind 10 to 13 mph. Chance of precipitation is 30%.
Thursday
A chance of rain. Mostly cloudy, with a high near 42. Southwest wind 11 to 13 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain before 10pm. Partly cloudy, with a low around 22. West wind 11 to 15 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 30. West wind 11 to 14 mph.
Friday Night
Mostly cloudy, with a low around 19. West wind 11 to 13 mph.
Saturday
A chance of snow. Mostly cloudy, with a high near 29. West wind 11 to 13 mph. Chance of precipitation is 30%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 16. Northwest wind 11 to 15 mph. Chance of precipitation is 40%.
Sunday
A chance of snow. Mostly cloudy, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Wellfleet MA
 41.88°N 69.99°W (Elev. 10 ft)
Last Update:
1:08 pm EST Jan 18, 2026
Forecast Valid:
5pm EST Jan 18, 2026-6pm EST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation