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.

Fair

57°F

14°C

Humidity 78%
Wind Speed S 6 mph
Barometer 29.83 in (1010.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 16 Apr 4:52 pm EDT
Extended Forecast for

South Wellfleet MA

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then a chance of showers between 3am and 5am. Patchy fog between 8pm and 5am. Otherwise, mostly cloudy, with a low around 47. South wind 7 to 10 mph becoming southwest after midnight. Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: A chance of rain and thunderstorms before 2pm, then a slight chance of rain after 3pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 54. Southwest wind around 7 mph becoming northeast in the afternoon. Chance of precipitation is 30%.

    High: 54 °F

    Chance Rain
    and Patchy
    Fog

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 42. Northeast wind around 6 mph.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, cloudy, with a high near 51. Northeast wind 6 to 8 mph.

    High: 51 °F

    Patchy Fog
    then Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 43. East wind around 5 mph becoming light and variable.

    Low: 43 °F

    Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Cloudy, with a high near 55. South wind 8 to 13 mph. Chance of precipitation is 60%.

    High: 55 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before midnight. Mostly cloudy, with a low around 38. Northwest wind 11 to 13 mph. Chance of precipitation is 60%.

    Low: 38 °F

    Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 47. West wind 9 to 13 mph.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. Northwest wind 8 to 10 mph.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely before 3am, then a chance of showers between 3am and 5am. Patchy fog between 8pm and 5am. Otherwise, mostly cloudy, with a low around 47. South wind 7 to 10 mph becoming southwest after midnight. Chance of precipitation is 60%.
Friday
A chance of rain and thunderstorms before 2pm, then a slight chance of rain after 3pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 54. Southwest wind around 7 mph becoming northeast in the afternoon. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 42. Northeast wind around 6 mph.
Saturday
Patchy fog before 9am. Otherwise, cloudy, with a high near 51. Northeast wind 6 to 8 mph.
Saturday Night
Cloudy, with a low around 43. East wind around 5 mph becoming light and variable.
Sunday
Showers likely, mainly after 2pm. Cloudy, with a high near 55. South wind 8 to 13 mph. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before midnight. Mostly cloudy, with a low around 38. Northwest wind 11 to 13 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 47. West wind 9 to 13 mph.
Monday Night
Partly cloudy, with a low around 35. Northwest wind 8 to 10 mph.
Tuesday
Sunny, with a high near 48. Northwest wind around 9 mph.
Tuesday Night
Partly cloudy, with a low around 40. Southwest wind around 11 mph, with gusts as high as 21 mph.
Wednesday
A chance of showers. Partly sunny, with a high near 54. Southwest wind around 11 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 42. Southwest wind around 8 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 52. Northwest wind around 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
South Wellfleet MA
 41.88°N 69.99°W (Elev. 10 ft)
Last Update:
4:30 pm EDT Apr 16, 2026
Forecast Valid:
5pm EDT Apr 16, 2026-6pm EDT Apr 23, 2026
 
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Additional Resources

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Chance of Precipitation