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.

Overcast

31°F

-1°C

Humidity 35%
Wind Speed NW 13 G 28 mph
Barometer 30.09 in (1019.2 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 18 Mar 12:52 am EDT
Extended Forecast for

South Wellfleet MA

  • Overnight

    Overnight: Mostly clear, with a low around 25. West wind around 15 mph.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. Northwest wind 5 to 10 mph.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. Light south wind.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 40. Southeast wind 3 to 6 mph.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33. South wind around 6 mph.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44. Southwest wind around 7 mph.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. Southwest wind around 8 mph.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain after 10am. Partly sunny, with a high near 45. Southwest wind 9 to 13 mph becoming south in the afternoon. Chance of precipitation is 30%.

    High: 45 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 35. Southwest wind 11 to 14 mph. Chance of precipitation is 40%.

    Low: 35 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 25. West wind around 15 mph.
Wednesday
Mostly sunny, with a high near 35. Northwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 28. Light south wind.
Thursday
Mostly sunny, with a high near 40. Southeast wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 33. South wind around 6 mph.
Friday
Mostly sunny, with a high near 44. Southwest wind around 7 mph.
Friday Night
Partly cloudy, with a low around 35. Southwest wind around 8 mph.
Saturday
A chance of rain after 10am. Partly sunny, with a high near 45. Southwest wind 9 to 13 mph becoming south in the afternoon. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 35. Southwest wind 11 to 14 mph. Chance of precipitation is 40%.
Sunday
A chance of rain. Mostly cloudy, with a high near 46. Southwest wind around 14 mph. Chance of precipitation is 40%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 34. West wind around 14 mph. Chance of precipitation is 40%.
Monday
A chance of rain. Mostly sunny, with a high near 44. Northwest wind around 15 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 28. North wind around 15 mph.
Tuesday
Sunny, with a high near 40. North wind 9 to 11 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:
4:06 pm EDT Mar 17, 2026
Forecast Valid:
1am EDT Mar 18, 2026-6pm EDT Mar 24, 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