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Hazardous Weather Conditions

Current conditions at

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Mostly Cloudy

24°F

-4°C

Humidity 55%
Wind Speed NW 6 G 24 mph
Barometer 29.92 in (1013.2 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 29 Jan 11:52 am EST
Extended Forecast for

South Harwich MA

Coastal Flood Watch February 1, 08:00am until February 2, 02:00pm
Cold Weather Advisory January 29, 07:00pm until January 30, 11:00am
Click here for hazard details and duration
Coastal Flood Watch
Cold Weather Advisory

  • Today

    Today: A slight chance of snow before noon. Partly sunny, with a high near 24. Northwest wind 11 to 14 mph. Chance of precipitation is 20%.

    High: 24 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Partly cloudy, with a low around 7. Wind chill values as low as -4. West wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 7 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 18. Wind chill values as low as -7. West wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 18 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 8. Wind chill values as low as -1. West wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 8 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 27. West wind 3 to 7 mph.

    High: 27 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow, mainly after 1am. Mostly cloudy, with a low around 18. Light north wind becoming northeast 9 to 14 mph in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow

  • Sunday

    Sunday: Snow likely. The snow could be heavy at times. Cloudy, with a high near 31. Windy, with a northeast wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 70%.

    High: 31 °F

    Heavy Snow
    and Windy

  • Sunday Night

    Sunday Night: Snow likely, mainly before 1am. Cloudy, with a low around 23. Windy, with a north wind 18 to 26 mph, with gusts as high as 48 mph. Chance of precipitation is 70%.

    Low: 23 °F

    Snow Likely
    and Windy

  • Monday

    Monday: Partly sunny, with a high near 33. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 33 °F

    Partly Sunny

Detailed Forecast

Today
A slight chance of snow before noon. Partly sunny, with a high near 24. Northwest wind 11 to 14 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 7. Wind chill values as low as -4. West wind 10 to 14 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a high near 18. Wind chill values as low as -7. West wind 10 to 14 mph, with gusts as high as 25 mph.
Friday Night
Partly cloudy, with a low around 8. Wind chill values as low as -1. West wind 6 to 10 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 27. West wind 3 to 7 mph.
Saturday Night
A chance of snow, mainly after 1am. Mostly cloudy, with a low around 18. Light north wind becoming northeast 9 to 14 mph in the evening. Winds could gust as high as 28 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Sunday
Snow likely. The snow could be heavy at times. Cloudy, with a high near 31. Windy, with a northeast wind 18 to 23 mph increasing to 24 to 29 mph in the afternoon. Winds could gust as high as 47 mph. Chance of precipitation is 70%.
Sunday Night
Snow likely, mainly before 1am. Cloudy, with a low around 23. Windy, with a north wind 18 to 26 mph, with gusts as high as 48 mph. Chance of precipitation is 70%.
Monday
Partly sunny, with a high near 33. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 22. Northwest wind around 8 mph.
Tuesday
Mostly sunny, with a high near 33. West wind 6 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 22. Northwest wind around 7 mph.
Wednesday
Partly sunny, with a high near 31. Northwest wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Harwich MA
 41.69°N 70.04°W (Elev. 52 ft)
Last Update:
11:25 am EST Jan 29, 2026
Forecast Valid:
11am EST Jan 29, 2026-6pm EST Feb 4, 2026
 
Forecast Discussion
 
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Additional Resources

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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