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.

A Few Clouds

37°F

3°C

Humidity 67%
Wind Speed NE 5 mph
Barometer 30.03 in (1017.1 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 22 Mar 2:52 am EDT
Extended Forecast for

South Wellfleet MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 36. Light east wind.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely, mainly after 1pm. Cloudy, with a high near 44. South wind 7 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Slight Chance
    Rain then
    Rain Likely

  • Sunday Night

    Sunday Night: Rain. Low around 37. Southwest wind 8 to 14 mph becoming north after midnight. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 37 °F

    Rain

  • Monday

    Monday: A chance of rain and sleet before 3pm, then a slight chance of rain and snow showers between 3pm and 5pm, then a slight chance of rain after 5pm. Cloudy, with a high near 38. Breezy, with a north wind around 21 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. Little or no snow and sleet accumulation expected.

    High: 38 °F

    Chance Wintry
    Mix and
    Breezy

  • Monday Night

    Monday Night: Isolated snow showers before 9pm. Mostly cloudy, with a low around 31. North wind 11 to 15 mph. Chance of precipitation is 20%.

    Low: 31 °F

    Isolated Snow
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. North wind 5 to 10 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. Southwest wind 9 to 11 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 46. Southwest wind 10 to 13 mph.

    High: 46 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain after 5am. Mostly cloudy, with a low around 36. Southwest wind 8 to 10 mph. Chance of precipitation is 30%.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 36. Light east wind.
Sunday
Rain likely, mainly after 1pm. Cloudy, with a high near 44. South wind 7 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Low around 37. Southwest wind 8 to 14 mph becoming north after midnight. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Monday
A chance of rain and sleet before 3pm, then a slight chance of rain and snow showers between 3pm and 5pm, then a slight chance of rain after 5pm. Cloudy, with a high near 38. Breezy, with a north wind around 21 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. Little or no snow and sleet accumulation expected.
Monday Night
Isolated snow showers before 9pm. Mostly cloudy, with a low around 31. North wind 11 to 15 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 40. North wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 32. Southwest wind 9 to 11 mph.
Wednesday
Partly sunny, with a high near 46. Southwest wind 10 to 13 mph.
Wednesday Night
A chance of rain after 5am. Mostly cloudy, with a low around 36. Southwest wind 8 to 10 mph. Chance of precipitation is 30%.
Thursday
A chance of rain before 8am, then a chance of rain after noon. Partly sunny, with a high near 49. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
Rain likely. Cloudy, with a low around 36. South wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday
Rain likely. Partly sunny, with a high near 47. Northwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 26. Northwest wind around 13 mph.
Saturday
Mostly sunny, with a high near 38. North wind 8 to 10 mph.
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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:
1:44 am EDT Mar 22, 2026
Forecast Valid:
3am EDT Mar 22, 2026-6pm EDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation