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 79%
Wind Speed NE 7 mph
Barometer 29.99 in (1015.7 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 21 Feb 2:52 pm EST
Extended Forecast for

South Wellfleet MA

Blizzard Warning February 22, 04:00pm until February 24, 07:00am
Coastal Flood Warning February 23, 01:00am until February 23, 07:00am
Click here for hazard details and duration
Blizzard Warning
Coastal Flood Warning

  • Tonight

    Tonight: Partly cloudy, with a low around 28. Northeast wind around 6 mph.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 36. East wind 6 to 10 mph.

    High: 36 °F

    Cloudy

  • Sunday Night

    Sunday Night: Snow before 1am, then rain and snow. The snow could be heavy at times. Patchy fog after 11pm. Low around 30. Windy, with an east wind 14 to 19 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    Low: 30 °F

    Snow Likely
    and Patchy
    Fog then
    Rain/Snow and
    Patchy Fog

  • Monday

    Monday: Snow, possibly mixed with rain. The snow could be heavy at times. Areas of fog before 8am. High near 36. Windy, with a northeast wind 32 to 34 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 36 °F

    Rain/Snow and
    Areas Fog

  • Monday Night

    Monday Night: Snow, mainly before midnight. The snow could be heavy at times. Low around 24. Windy, with a northwest wind 25 to 30 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 24 °F

    Heavy Snow
    and Windy
    then Chance
    Snow and
    Blustery

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. West wind 11 to 16 mph.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 20. West wind 9 to 11 mph.

    Low: 20 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of snow before noon, then a chance of rain and snow between noon and 2pm, then rain likely after 2pm. Mostly cloudy, with a high near 40. Southwest wind 8 to 11 mph. Chance of precipitation is 60%.

    High: 40 °F

    Chance Snow
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 9pm, then a chance of rain between 9pm and 4am. Mostly cloudy, with a low around 31. Southwest wind around 10 mph. Chance of precipitation is 50%.

    Low: 31 °F

    Chance
    Rain/Snow
    then Chance
    Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 28. Northeast wind around 6 mph.
Sunday
Cloudy, with a high near 36. East wind 6 to 10 mph.
Sunday Night
Snow before 1am, then rain and snow. The snow could be heavy at times. Patchy fog after 11pm. Low around 30. Windy, with an east wind 14 to 19 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Monday
Snow, possibly mixed with rain. The snow could be heavy at times. Areas of fog before 8am. High near 36. Windy, with a northeast wind 32 to 34 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Monday Night
Snow, mainly before midnight. The snow could be heavy at times. Low around 24. Windy, with a northwest wind 25 to 30 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Tuesday
Partly sunny, with a high near 32. West wind 11 to 16 mph.
Tuesday Night
Mostly cloudy, with a low around 20. West wind 9 to 11 mph.
Wednesday
A chance of snow before noon, then a chance of rain and snow between noon and 2pm, then rain likely after 2pm. Mostly cloudy, with a high near 40. Southwest wind 8 to 11 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of rain and snow before 9pm, then a chance of rain between 9pm and 4am. Mostly cloudy, with a low around 31. Southwest wind around 10 mph. Chance of precipitation is 50%.
Thursday
A chance of rain. Partly sunny, with a high near 41. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 31. Southwest wind around 10 mph. Chance of precipitation is 60%.
Friday
Rain likely. Partly sunny, with a high near 39. Northeast wind 9 to 11 mph becoming northwest in the afternoon. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 30. West wind around 9 mph.
Saturday
Sunny, with a high near 40. South wind 8 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Wellfleet MA
 41.88°N 69.99°W (Elev. 10 ft)
Last Update:
1:41 pm EST Feb 21, 2026
Forecast Valid:
3pm EST Feb 21, 2026-6pm EST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation