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.

Mostly Cloudy

28°F

-2°C

Humidity 75%
Wind Speed Calm
Barometer 30.38 in (1028.9 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 19 Mar 2:52 am EDT
Extended Forecast for

South Wellfleet MA

  • Overnight

    Overnight: Partly cloudy, with a low around 25. Light southeast wind.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 39. Southeast wind 3 to 6 mph.

    High: 39 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. Southwest wind around 6 mph.

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 45. Southwest wind around 7 mph.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain, mainly after 2am. Mostly cloudy, with a low around 38. South wind 8 to 10 mph. Chance of precipitation is 40%.

    Low: 38 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain, mainly before 2pm. Mostly cloudy, with a high near 47. South wind 11 to 13 mph. Chance of precipitation is 50%.

    High: 47 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. Southwest wind 9 to 11 mph.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 9am. Mostly cloudy, with a high near 47. Southwest wind around 14 mph. Chance of precipitation is 30%.

    High: 47 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 32. West wind 13 to 17 mph. Chance of precipitation is 30%.

    Low: 32 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 25. Light southeast wind.
Thursday
Partly sunny, with a high near 39. Southeast wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 32. Southwest wind around 6 mph.
Friday
Mostly sunny, with a high near 45. Southwest wind around 7 mph.
Friday Night
A chance of rain, mainly after 2am. Mostly cloudy, with a low around 38. South wind 8 to 10 mph. Chance of precipitation is 40%.
Saturday
A chance of rain, mainly before 2pm. Mostly cloudy, with a high near 47. South wind 11 to 13 mph. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 37. Southwest wind 9 to 11 mph.
Sunday
A chance of rain after 9am. Mostly cloudy, with a high near 47. Southwest wind around 14 mph. Chance of precipitation is 30%.
Sunday Night
A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 32. West wind 13 to 17 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 41. North wind 15 to 18 mph.
Monday Night
Partly cloudy, with a low around 29. North wind 14 to 16 mph.
Tuesday
Mostly sunny, with a high near 38. North wind around 11 mph becoming west in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 30. West wind 11 to 14 mph.
Wednesday
Partly sunny, with a high near 43. West wind 11 to 14 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:
6:12 pm EDT Mar 18, 2026
Forecast Valid:
3am EDT Mar 19, 2026-6pm EDT Mar 25, 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