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 and Breezy

35°F

2°C

Humidity 76%
Wind Speed E 23 G 35 mph
Barometer 29.88 in (1012.1 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 22 Feb 8:52 pm EST
Extended Forecast for

Northwest Harwich MA

Coastal Flood Watch February 23, 01:00pm until February 23, 08:00pm
Blizzard Warning until February 24, 07:00am
Coastal Flood Warning February 23, 01:00am until February 23, 07:00am
Click here for hazard details and duration
Coastal Flood Watch
Blizzard Warning
Coastal Flood Warning
  •  
    Blizzard Warning until February 24, 07:00am

    NOW until 7:00am Tue

    Blizzard Warning

  • Tonight

    Low: 29 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday

    Monday: Snow. The snow could be heavy at times. Areas of blowing snow. High near 34. Windy, with a northeast wind 33 to 38 mph decreasing to 26 to 31 mph in the afternoon. Winds could gust as high as 70 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

    High: 34 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Snow likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 21. Blustery, with a northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    Low: 21 °F

    Snow Likely
    and Blustery
    then Chance
    Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 31. Northwest wind 6 to 10 mph, with gusts as high as 23 mph.

    High: 31 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 17. West wind 3 to 6 mph.

    Low: 17 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow likely before 10am, then rain, possibly mixed with snow between 10am and noon, then rain likely after noon. High near 38. South wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Rain/Snow
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 8pm. Partly cloudy, with a low around 29. Southwest wind around 6 mph. Chance of precipitation is 30%.

    Low: 29 °F

    Chance Rain
    then Partly
    Cloudy

  • Thursday

    Thursday: A chance of rain after 2pm, mixing with snow after 5pm. Partly sunny, with a high near 41. West wind 5 to 7 mph. Chance of precipitation is 40%.

    High: 41 °F

    Mostly Sunny
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
Snow, mainly after 10pm. The snow could be heavy at times. Areas of blowing snow after 2am. Low around 29. Windy, with an east wind 11 to 21 mph increasing to 23 to 33 mph. Winds could gust as high as 46 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 5 to 9 inches possible.
Monday
Snow. The snow could be heavy at times. Areas of blowing snow. High near 34. Windy, with a northeast wind 33 to 38 mph decreasing to 26 to 31 mph in the afternoon. Winds could gust as high as 70 mph. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.
Monday Night
Snow likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 21. Blustery, with a northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Tuesday
Mostly sunny, with a high near 31. Northwest wind 6 to 10 mph, with gusts as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 17. West wind 3 to 6 mph.
Wednesday
Snow likely before 10am, then rain, possibly mixed with snow between 10am and noon, then rain likely after noon. High near 38. South wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday Night
A chance of rain before 8pm. Partly cloudy, with a low around 29. Southwest wind around 6 mph. Chance of precipitation is 30%.
Thursday
A chance of rain after 2pm, mixing with snow after 5pm. Partly sunny, with a high near 41. West wind 5 to 7 mph. Chance of precipitation is 40%.
Thursday Night
Rain likely, possibly mixed with snow, becoming all rain after 9pm. Mostly cloudy, with a low around 30. South wind 5 to 7 mph. Chance of precipitation is 70%.
Friday
A chance of rain before 3pm. Partly sunny, with a high near 41. Southwest wind 6 to 9 mph. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 28. Light west wind.
Saturday
Sunny, with a high near 39. Southwest wind 3 to 7 mph.
Saturday Night
Partly cloudy, with a low around 30. Southwest wind around 6 mph.
Sunday
Partly sunny, with a high near 41. Southwest wind 6 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Northwest Harwich MA
 41.7°N 70.13°W (Elev. 36 ft)
Last Update:
2:39 pm EST Feb 22, 2026
Forecast Valid:
9pm EST Feb 22, 2026-6pm EST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation