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

45°F

7°C

Humidity 97%
Wind Speed W 5 mph
Barometer 30.05 in (1017.6 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 11 Mar 8:52 am EDT
Extended Forecast for

South Wellfleet MA

  • Today

    Today: Patchy fog. Otherwise, mostly cloudy, with a high near 45. East wind 5 to 8 mph becoming south in the afternoon.

    High: 45 °F

    Patchy Fog

  • Tonight

    Tonight: A chance of rain, with thunderstorms also possible after 11pm. Patchy dense fog. Otherwise, cloudy, with a low around 45. South wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    Low: 45 °F

    Chance Rain
    and Patchy
    Dense Fog

  • Thursday

    Thursday: Rain, mainly after 10am. Patchy fog before 1pm. Temperature falling to around 38 by 5pm. Southwest wind 13 to 17 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F⇓

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain and snow likely before 8pm, then a chance of snow between 8pm and 10pm. Cloudy during the early evening, then gradual clearing, with a low around 30. West wind 13 to 15 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain/Snow
    Likely then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43. West wind 9 to 13 mph becoming southwest in the afternoon.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain, mainly after 7pm. Mostly cloudy, with a low around 35. South wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.

    Low: 35 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 44. West wind 15 to 17 mph, with gusts as high as 28 mph.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Northwest wind 11 to 16 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 44. Northwest wind 6 to 8 mph becoming southeast in the afternoon.

    High: 44 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy fog. Otherwise, mostly cloudy, with a high near 45. East wind 5 to 8 mph becoming south in the afternoon.
Tonight
A chance of rain, with thunderstorms also possible after 11pm. Patchy dense fog. Otherwise, cloudy, with a low around 45. South wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Thursday
Rain, mainly after 10am. Patchy fog before 1pm. Temperature falling to around 38 by 5pm. Southwest wind 13 to 17 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain and snow likely before 8pm, then a chance of snow between 8pm and 10pm. Cloudy during the early evening, then gradual clearing, with a low around 30. West wind 13 to 15 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
Mostly sunny, with a high near 43. West wind 9 to 13 mph becoming southwest in the afternoon.
Friday Night
A chance of rain, mainly after 7pm. Mostly cloudy, with a low around 35. South wind 13 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 44. West wind 15 to 17 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 31. Northwest wind 11 to 16 mph.
Sunday
Mostly cloudy, with a high near 44. Northwest wind 6 to 8 mph becoming southeast in the afternoon.
Sunday Night
Rain likely, mainly after 5am. Cloudy, with a low around 35. Breezy, with a southeast wind 13 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.
Monday
Rain. High near 52. Breezy, with a south wind around 25 mph, with gusts as high as 40 mph. Chance of precipitation is 90%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 31. Breezy, with a west wind 20 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 40. West wind 11 to 17 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
South Wellfleet MA
 41.88°N 69.99°W (Elev. 10 ft)
Last Update:
7:06 am EDT Mar 11, 2026
Forecast Valid:
9am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
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