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.

Fair

27°F

-3°C

Humidity 58%
Wind Speed Calm
Barometer 30.53 in (1033.9 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 29 Mar 4:52 am EDT
Extended Forecast for

South Wellfleet MA

  • Today

    Today: Sunny, with a high near 45. West wind 8 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 45 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Southwest wind 11 to 13 mph, with gusts as high as 25 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 51. Southwest wind 14 to 16 mph, with gusts as high as 29 mph.

    High: 51 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. Southwest wind 9 to 14 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain, mainly before 2pm. Mostly cloudy, with a high near 52. Southwest wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 52 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A slight chance of rain between 8pm and 1am, then a slight chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 44. Southwest wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    Rain then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Partly sunny, with a high near 55. Southwest wind 16 to 18 mph, with gusts as high as 31 mph.

    High: 55 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 11pm. Mostly cloudy, with a low around 37. Southwest wind around 14 mph becoming north after midnight. Chance of precipitation is 70%.

    Low: 37 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely before 11am, then rain and snow likely. Cloudy, with a high near 44. Northeast wind around 15 mph. Chance of precipitation is 60%.

    High: 44 °F

    Rain/Snow
    Likely

Detailed Forecast

Today
Sunny, with a high near 45. West wind 8 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.
Tonight
Mostly cloudy, with a low around 38. Southwest wind 11 to 13 mph, with gusts as high as 25 mph.
Monday
Mostly cloudy, with a high near 51. Southwest wind 14 to 16 mph, with gusts as high as 29 mph.
Monday Night
Mostly cloudy, with a low around 42. Southwest wind 9 to 14 mph.
Tuesday
A chance of rain, mainly before 2pm. Mostly cloudy, with a high near 52. Southwest wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Tuesday Night
A slight chance of rain between 8pm and 1am, then a slight chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 44. Southwest wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 55. Southwest wind 16 to 18 mph, with gusts as high as 31 mph.
Wednesday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 37. Southwest wind around 14 mph becoming north after midnight. Chance of precipitation is 70%.
Thursday
Rain likely before 11am, then rain and snow likely. Cloudy, with a high near 44. Northeast wind around 15 mph. Chance of precipitation is 60%.
Thursday Night
A chance of rain. Cloudy, with a low around 36. Northeast wind 11 to 13 mph. Chance of precipitation is 40%.
Friday
Rain likely. Cloudy, with a high near 46. East wind around 15 mph. Chance of precipitation is 60%.
Friday Night
Rain likely. Cloudy, with a low around 37. Northeast wind around 13 mph. Chance of precipitation is 60%.
Saturday
A chance of rain. Mostly cloudy, with a high near 46. Northeast 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:
2:53 am EDT Mar 29, 2026
Forecast Valid:
5am EDT Mar 29, 2026-6pm EDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation