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

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Partly Cloudy

31°F

-1°C

Humidity 56%
Wind Speed NA
Barometer 30.01 in (1016.4 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 20 Jan 1:52 am EST
Extended Forecast for

South Wellfleet MA

  • Overnight

    Overnight: Mostly cloudy early, then becoming mostly clear, with a low around 22. West wind around 16 mph, with gusts as high as 26 mph.

    Low: 22 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 27. West wind around 14 mph, with gusts as high as 24 mph.

    High: 27 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. West wind 10 to 15 mph.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 40. Southwest wind 9 to 13 mph.

    High: 40 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly after 4am. Mostly cloudy, with a low around 31. Southwest wind around 15 mph. Chance of precipitation is 30%.

    Low: 31 °F

    Cloudy then
    Chance Rain

  • Thursday

    Thursday: A slight chance of rain before 1pm. Mostly sunny, with a high near 43. Southwest wind around 14 mph. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27. West wind around 11 mph, with gusts as high as 21 mph.

    Low: 27 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 34. West wind around 14 mph, with gusts as high as 24 mph.

    High: 34 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 12. West wind 15 to 17 mph.

    Low: 12 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy early, then becoming mostly clear, with a low around 22. West wind around 16 mph, with gusts as high as 26 mph.
Tuesday
Sunny, with a high near 27. West wind around 14 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 19. West wind 10 to 15 mph.
Wednesday
Increasing clouds, with a high near 40. Southwest wind 9 to 13 mph.
Wednesday Night
A chance of rain, mainly after 4am. Mostly cloudy, with a low around 31. Southwest wind around 15 mph. Chance of precipitation is 30%.
Thursday
A slight chance of rain before 1pm. Mostly sunny, with a high near 43. Southwest wind around 14 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 27. West wind around 11 mph, with gusts as high as 21 mph.
Friday
Partly sunny, with a high near 34. West wind around 14 mph, with gusts as high as 24 mph.
Friday Night
Mostly cloudy, with a low around 12. West wind 15 to 17 mph.
Saturday
Partly sunny, with a high near 20. Northwest wind 14 to 16 mph.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 13. Northwest wind around 13 mph. Chance of precipitation is 40%.
Sunday
A chance of snow. Cloudy, with a high near 25. North wind 11 to 13 mph. Chance of precipitation is 50%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 15. North wind 11 to 14 mph. Chance of precipitation is 50%.
Monday
A chance of snow. Mostly cloudy, with a high near 25. Northwest wind around 14 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Wellfleet MA
 41.88°N 69.99°W (Elev. 10 ft)
Last Update:
12:45 am EST Jan 20, 2026
Forecast Valid:
2am EST Jan 20, 2026-6pm EST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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