National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Fair

65°F

18°C

Humidity 52%
Wind Speed Vrbl 3 mph
Barometer 29.97 in (1015.0 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 6 Sep 5:52 pm EDT
Extended Forecast for

South Wellfleet MA

Coastal Flood Advisory until September 6, 08:00pm
Click here for hazard details and duration
...
  •  
    Coastal Flood Advisory until September 6, 08:00pm

    NOW until 8:00pm Sun

    Coastal Flood Advisory

  • Tonight

    Low: 58 °F

    Isolated
    Showers then
    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 68. Northwest wind 7 to 10 mph.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. Southwest wind around 9 mph becoming northwest after midnight.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. West wind 5 to 11 mph becoming north in the afternoon.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 65. Light south wind.

    Low: 65 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 71. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 71 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers after 4am. Mostly cloudy, with a low around 67. Southwest wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 7am. Partly sunny, with a high near 80. Southwest wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

Tonight
Isolated showers between 8pm and 9pm. Partly cloudy, with a low around 58. Light and variable wind becoming west 5 to 10 mph in the evening. Chance of precipitation is 20%.
Labor Day
Sunny, with a high near 68. Northwest wind 7 to 10 mph.
Monday Night
Mostly clear, with a low around 61. Southwest wind around 9 mph becoming northwest after midnight.
Tuesday
Sunny, with a high near 70. West wind 5 to 11 mph becoming north in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 65. Light south wind.
Wednesday
Partly sunny, with a high near 71. Southeast wind 6 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A chance of showers after 4am. Mostly cloudy, with a low around 67. Southwest wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Thursday
A chance of showers before 7am. Partly sunny, with a high near 80. Southwest wind 15 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers between 9pm and 5am. Mostly cloudy, with a low around 63. Southwest wind around 11 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 71. Northwest wind 6 to 11 mph.
Friday Night
Mostly clear, with a low around 61. North wind around 5 mph.
Saturday
Sunny, with a high near 71. Northeast wind 5 to 7 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 63. South wind around 7 mph.
Sunday
Sunny, with a high near 74. South wind 7 to 10 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:
2:27 pm EDT Sep 6, 2026
Forecast Valid:
6pm EDT Sep 6, 2026-6pm EDT Sep 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation