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.

Fog

38°F

3°C

Humidity 97%
Wind Speed Vrbl 3 mph
Barometer 29.66 in (1004.5 mb)
Dewpoint 37°F (3°C)
Visibility 0.50 mi
Last update 11 Jan 3:52 pm EST
Extended Forecast for

South Wellfleet MA

  • Tonight

    Tonight: Partly cloudy, with a low around 27. Breezy, with a west wind 16 to 23 mph, with gusts as high as 39 mph.

    Low: 27 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 37. Breezy, with a west wind 13 to 21 mph, with gusts as high as 34 mph.

    High: 37 °F

    Sunny and
    Breezy then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 42. Southwest wind 8 to 10 mph.

    High: 42 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. South wind 8 to 11 mph, with gusts as high as 23 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain after 10am. Mostly cloudy, with a high near 46. Southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Cloudy, with a low around 37. South wind around 7 mph. Chance of precipitation is 50%.

    Low: 37 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 43. Southwest wind 6 to 9 mph. Chance of precipitation is 40%.

    High: 43 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely before 2am, then rain likely, possibly mixed with snow between 2am and 3am, then snow likely after 3am. Mostly cloudy, with a low around 26. North wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.

    Low: 26 °F

    Rain Likely
    then
    Rain/Snow
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 27. Breezy, with a west wind 16 to 23 mph, with gusts as high as 39 mph.
Monday
Mostly sunny, with a high near 37. Breezy, with a west wind 13 to 21 mph, with gusts as high as 34 mph.
Monday Night
Partly cloudy, with a low around 31. West wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 42. Southwest wind 8 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 36. South wind 8 to 11 mph, with gusts as high as 23 mph.
Wednesday
A slight chance of rain after 10am. Mostly cloudy, with a high near 46. Southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of rain. Cloudy, with a low around 37. South wind around 7 mph. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 43. Southwest wind 6 to 9 mph. Chance of precipitation is 40%.
Thursday Night
Rain likely before 2am, then rain likely, possibly mixed with snow between 2am and 3am, then snow likely after 3am. Mostly cloudy, with a low around 26. North wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Friday
A chance of snow before 3pm. Partly sunny, with a high near 36. North wind 11 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 26. West wind 8 to 10 mph.
Saturday
Mostly sunny, with a high near 38. West wind 8 to 10 mph.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 30. Southwest wind around 8 mph. Chance of precipitation is 30%.
Sunday
A chance of rain. Mostly cloudy, with a high near 39. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Wellfleet MA
 41.91°N 69.99°W (Elev. 20 ft)
Last Update:
1:30 pm EST Jan 11, 2026
Forecast Valid:
4pm EST Jan 11, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation