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

56°F

13°C

Humidity 75%
Wind Speed SW 6 mph
Barometer 29.89 in (1012.3 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 14 Apr 11:52 pm EDT
Extended Forecast for

South Wellfleet MA

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, partly cloudy, with a low around 47. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 63. West wind 6 to 8 mph becoming east in the afternoon.

    High: 63 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 45. West wind 6 to 8 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Mostly cloudy, with a high near 55. South wind 6 to 9 mph.

    High: 55 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of showers after 10pm. Mostly cloudy, with a low around 48. Southwest wind around 8 mph. Chance of precipitation is 20%.

    Low: 48 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 51. Southwest wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 30%.

    High: 51 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers before 10pm. Mostly cloudy, with a low around 43. Northeast wind around 6 mph. Chance of precipitation is 30%.

    Low: 43 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 50. Northeast wind 6 to 8 mph.

    High: 50 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44. Northeast wind around 6 mph becoming south after midnight.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 47. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 63. West wind 6 to 8 mph becoming east in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Patchy fog. Otherwise, mostly cloudy, with a low around 45. West wind 6 to 8 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly cloudy, with a high near 55. South wind 6 to 9 mph.
Thursday Night
A slight chance of showers after 10pm. Mostly cloudy, with a low around 48. Southwest wind around 8 mph. Chance of precipitation is 20%.
Friday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 51. Southwest wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 30%.
Friday Night
A chance of showers before 10pm. Mostly cloudy, with a low around 43. Northeast wind around 6 mph. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 50. Northeast wind 6 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 44. Northeast wind around 6 mph becoming south after midnight.
Sunday
A chance of showers after 3pm. Mostly cloudy, with a high near 56. South wind 7 to 11 mph. Chance of precipitation is 30%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 40. West wind 11 to 13 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 50. West wind 10 to 13 mph.
Monday Night
Partly cloudy, with a low around 35. Northwest wind around 11 mph, with gusts as high as 21 mph.
Tuesday
Sunny, with a high near 47. Northwest 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:
4:00 pm EDT Apr 14, 2026
Forecast Valid:
12am EDT Apr 15, 2026-6pm EDT Apr 21, 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