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.

Overcast

34°F

1°C

Humidity 92%
Wind Speed NE 8 mph
Barometer 29.64 in (1003.9 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 21 Feb 1:52 am EST
Extended Forecast for

South Wellfleet MA

Coastal Flood Watch February 23, 01:00am until February 24, 07:00am
Winter Storm Watch February 23, 12:00am until February 23, 07:00pm
High Wind Watch February 23, 06:00am until February 23, 11:00pm
Click here for hazard details and duration
Coastal Flood Watch
Winter Storm Watch
High Wind Watch

  • Overnight

    Overnight: A chance of snow. Cloudy, with a low around 32. North wind 13 to 15 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance Snow

  • Saturday

    Saturday: A chance of snow, mainly before 10am. Cloudy, with a high near 35. North wind 9 to 14 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow
    then Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30. North wind 6 to 9 mph.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of snow after 1pm. Cloudy, with a high near 36. East wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 36 °F

    Cloudy then
    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: A chance of snow before midnight, then snow likely, possibly mixed with rain between midnight and 2am, then snow after 2am. The snow could be heavy at times. Low around 30. Blustery, with an east wind 14 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    Low: 30 °F

    Chance Snow
    then
    Rain/Snow and
    Blustery

  • Monday

    Monday: Snow. The snow could be heavy at times. High near 36. Windy, with a north wind 26 to 30 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    High: 36 °F

    Heavy Snow
    and Windy

  • Monday Night

    Monday Night: Snow, mainly before 11pm. The snow could be heavy at times. Low around 25. Windy, with a north wind 23 to 28 mph decreasing to 16 to 21 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 80%.

    Low: 25 °F

    Heavy Snow
    and Windy
    then Chance
    Snow and
    Blustery

  • Tuesday

    Tuesday: Partly sunny, with a high near 33. Northwest wind 9 to 14 mph.

    High: 33 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. West wind around 9 mph.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of snow. Cloudy, with a low around 32. North wind 13 to 15 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Saturday
A chance of snow, mainly before 10am. Cloudy, with a high near 35. North wind 9 to 14 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 30. North wind 6 to 9 mph.
Sunday
A slight chance of snow after 1pm. Cloudy, with a high near 36. East wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday Night
A chance of snow before midnight, then snow likely, possibly mixed with rain between midnight and 2am, then snow after 2am. The snow could be heavy at times. Low around 30. Blustery, with an east wind 14 to 24 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Monday
Snow. The snow could be heavy at times. High near 36. Windy, with a north wind 26 to 30 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Monday Night
Snow, mainly before 11pm. The snow could be heavy at times. Low around 25. Windy, with a north wind 23 to 28 mph decreasing to 16 to 21 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 80%.
Tuesday
Partly sunny, with a high near 33. Northwest wind 9 to 14 mph.
Tuesday Night
Mostly cloudy, with a low around 22. West wind around 9 mph.
Wednesday
A chance of snow before 1pm, then a chance of rain between 1pm and 5pm, then a chance of rain and snow after 5pm. Mostly cloudy, with a high near 39. West wind 8 to 10 mph becoming south in the afternoon. Chance of precipitation is 40%.
Wednesday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Thursday
Rain likely. Mostly cloudy, with a high near 42. Southwest wind 11 to 13 mph. Chance of precipitation is 60%.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 30. Southwest wind around 11 mph. Chance of precipitation is 50%.
Friday
A chance of rain and snow. Partly sunny, with a high near 38. Northwest wind 8 to 11 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:
4:49 pm EST Feb 20, 2026
Forecast Valid:
2am EST Feb 21, 2026-6pm EST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation