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.

Fog

47°F

8°C

Humidity 100%
Wind Speed SW 9 G 20 mph
Barometer 29.67 in (1004.8 mb)
Dewpoint 47°F (8°C)
Visibility 0.50 mi
Wind Chill43°F (6°C)
Last update 12 Mar 2:52 am EDT
Extended Forecast for

South Wellfleet MA

  • Overnight

    Overnight: A chance of showers and thunderstorms. Cloudy, with a low around 46. South wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 8am, then rain, mainly after 8am. Temperature rising to near 49 by 11am, then falling to around 37 during the remainder of the day. Southwest wind 14 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%.

    High: 49 °F⇓

    Chance
    Showers then
    Rain

  • Thursday Night

    Thursday Night: Rain and snow likely before 10pm, then a slight chance of snow between 10pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 30. Blustery, with a northwest wind 15 to 21 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Blustery.
    Rain/Snow
    Likely then
    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 40. Northwest wind 7 to 13 mph becoming south in the afternoon.

    High: 40 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of rain after 2am. Mostly cloudy, with a low around 34. South wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 45. Breezy, with a west wind 15 to 20 mph, with gusts as high as 34 mph.

    High: 45 °F

    Sunny and
    Breezy then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. West wind 10 to 16 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 43. North wind around 7 mph becoming southeast in the afternoon.

    High: 43 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of rain after 1am. Cloudy, with a low around 36. Breezy, with a southeast wind 11 to 20 mph. Chance of precipitation is 40%.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain and
    Breezy

Detailed Forecast

Overnight
A chance of showers and thunderstorms. Cloudy, with a low around 46. South wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers before 8am, then rain, mainly after 8am. Temperature rising to near 49 by 11am, then falling to around 37 during the remainder of the day. Southwest wind 14 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 80%.
Thursday Night
Rain and snow likely before 10pm, then a slight chance of snow between 10pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 30. Blustery, with a northwest wind 15 to 21 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Increasing clouds, with a high near 40. Northwest wind 7 to 13 mph becoming south in the afternoon.
Friday Night
A slight chance of rain after 2am. Mostly cloudy, with a low around 34. South wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 45. Breezy, with a west wind 15 to 20 mph, with gusts as high as 34 mph.
Saturday Night
Partly cloudy, with a low around 31. West wind 10 to 16 mph.
Sunday
Mostly cloudy, with a high near 43. North wind around 7 mph becoming southeast in the afternoon.
Sunday Night
A chance of rain after 1am. Cloudy, with a low around 36. Breezy, with a southeast wind 11 to 20 mph. Chance of precipitation is 40%.
Monday
Rain, mainly after 7am. High near 53. Breezy, with a south wind 23 to 25 mph, with gusts as high as 43 mph. Chance of precipitation is 90%.
Monday Night
Rain. Low around 35. Windy, with a south wind 23 to 26 mph, with gusts as high as 41 mph. Chance of precipitation is 80%.
Tuesday
A chance of rain. Partly sunny, with a high near 42. West wind 14 to 17 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 25. Northwest wind 14 to 17 mph.
Wednesday
Mostly sunny, with a high near 37. Northwest wind 7 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:
2:43 am EDT Mar 12, 2026
Forecast Valid:
3am EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation