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

51°F

11°C

Humidity 89%
Wind Speed SW 6 mph
Barometer 29.87 in (1011.5 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 15 Apr 4:52 am EDT
Extended Forecast for

South Wellfleet MA

  • Today

    Today: Patchy fog between 9am and 10am. Otherwise, increasing clouds, with a high near 59. Southwest wind 5 to 9 mph becoming northeast in the afternoon.

    High: 59 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 9pm. Patchy fog. Otherwise, cloudy, with a low around 45. Southeast wind 7 to 9 mph becoming west after midnight. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: A slight chance of showers and thunderstorms. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 58. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.

    High: 58 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers, mainly between 11pm and midnight. Mostly cloudy, with a low around 46. Southwest wind around 8 mph. Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 59. Southwest wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 40%.

    High: 59 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 1am. Mostly cloudy, with a low around 43. Northeast wind around 6 mph. Chance of precipitation is 20%.

    Low: 43 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 52. Northeast wind around 7 mph.

    High: 52 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 43. Light and variable wind becoming south around 6 mph in the evening.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 9am. Mostly cloudy, with a high near 56. South wind 8 to 13 mph. Chance of precipitation is 40%.

    High: 56 °F

    Chance
    Showers

Detailed Forecast

Today
Patchy fog between 9am and 10am. Otherwise, increasing clouds, with a high near 59. Southwest wind 5 to 9 mph becoming northeast in the afternoon.
Tonight
A chance of showers and thunderstorms, mainly after 9pm. Patchy fog. Otherwise, cloudy, with a low around 45. Southeast wind 7 to 9 mph becoming west after midnight. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers and thunderstorms. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 58. Southwest wind 5 to 9 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers, mainly between 11pm and midnight. Mostly cloudy, with a low around 46. Southwest wind around 8 mph. Chance of precipitation is 30%.
Friday
A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 59. Southwest wind 6 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 40%.
Friday Night
A slight chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 1am. Mostly cloudy, with a low around 43. Northeast wind around 6 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 52. Northeast wind around 7 mph.
Saturday Night
Mostly cloudy, with a low around 43. Light and variable wind becoming south around 6 mph in the evening.
Sunday
A chance of showers after 9am. Mostly cloudy, with a high near 56. South wind 8 to 13 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 39. West wind 13 to 16 mph. Chance of precipitation is 50%.
Monday
A chance of showers. Partly sunny, with a high near 49. West wind 14 to 16 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 36. Northwest wind 11 to 14 mph.
Tuesday
Sunny, with a high near 50. Northwest wind 9 to 13 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
South Wellfleet MA
 41.88°N 69.99°W (Elev. 10 ft)
Last Update:
2:29 am EDT Apr 15, 2026
Forecast Valid:
4am EDT Apr 15, 2026-6pm EDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation