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

40°F

4°C

Humidity 83%
Wind Speed NW 9 mph
Barometer 29.97 in (1015.1 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 19 Apr 10:52 pm EDT
Extended Forecast for

South Wellfleet MA

  • Tonight

    Tonight: Mostly cloudy early, then gradual clearing, with a low around 39. West wind 9 to 13 mph, with gusts as high as 24 mph.

    Low: 39 °F

    Gradual
    Clearing

  • Monday

    Monday: Increasing clouds, with a high near 51. West wind around 7 mph becoming south in the afternoon.

    High: 51 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: A slight chance of showers before 3am. Mostly cloudy, with a low around 37. North wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. North wind 6 to 10 mph.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. Southeast wind 5 to 7 mph becoming southwest after midnight.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 2pm. Mostly cloudy, with a high near 49. South wind 8 to 11 mph. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. South wind around 6 mph.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 52. Northwest wind around 7 mph.

    High: 52 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. Northwest wind around 6 mph.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy early, then gradual clearing, with a low around 39. West wind 9 to 13 mph, with gusts as high as 24 mph.
Monday
Increasing clouds, with a high near 51. West wind around 7 mph becoming south in the afternoon.
Monday Night
A slight chance of showers before 3am. Mostly cloudy, with a low around 37. North wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 47. North wind 6 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 38. Southeast wind 5 to 7 mph becoming southwest after midnight.
Wednesday
A slight chance of showers before 2pm. Mostly cloudy, with a high near 49. South wind 8 to 11 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 41. South wind around 6 mph.
Thursday
Partly sunny, with a high near 52. Northwest wind around 7 mph.
Thursday Night
Mostly cloudy, with a low around 41. Northwest wind around 6 mph.
Friday
Mostly sunny, with a high near 51. North wind around 7 mph.
Friday Night
Partly cloudy, with a low around 41. North wind around 6 mph.
Saturday
A chance of showers. Partly sunny, with a high near 51. Northeast wind around 8 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 43. Southeast wind around 6 mph becoming northeast after midnight. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 53. East wind around 8 mph. Chance of precipitation is 30%.
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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:
9:56 pm EDT Apr 19, 2026
Forecast Valid:
11pm EDT Apr 19, 2026-6pm EDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation