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.

Fair

41°F

5°C

Humidity 67%
Wind Speed SW 9 G 21 mph
Barometer 29.93 in (1013.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 22 Jan 1:52 pm EST
Extended Forecast for

Dennis Port MA

Winter Storm Watch January 25, 07:00am until January 26, 07:00pm
Click here for hazard details and duration
Winter Storm Watch

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 42. Southwest wind 11 to 13 mph, with gusts as high as 24 mph.

    High: 42 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 25. West wind around 9 mph, with gusts as high as 21 mph.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 34. West wind 8 to 14 mph, with gusts as high as 29 mph.

    High: 34 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 9. Wind chill values as low as -5. Northwest wind around 15 mph, with gusts as high as 32 mph.

    Low: 9 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 18. Northwest wind 10 to 14 mph, with gusts as high as 29 mph.

    High: 18 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of snow, mainly after 5am. Mostly cloudy, with a low around 13. Northwest wind 6 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 13 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow, mainly after 9am. The snow could be heavy at times. High near 31. North wind 6 to 10 mph becoming east in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%.

    High: 31 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Low around 23. Northeast wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%.

    Low: 23 °F

    Heavy Snow

  • Monday

    Monday: Snow before 10am, then snow, possibly mixed with rain between 10am and 2pm, then snow likely after 2pm. High near 33. Northeast wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    High: 33 °F

    Rain/Snow

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 42. Southwest wind 11 to 13 mph, with gusts as high as 24 mph.
Tonight
Partly cloudy, with a low around 25. West wind around 9 mph, with gusts as high as 21 mph.
Friday
Mostly sunny, with a high near 34. West wind 8 to 14 mph, with gusts as high as 29 mph.
Friday Night
Partly cloudy, with a low around 9. Wind chill values as low as -5. Northwest wind around 15 mph, with gusts as high as 32 mph.
Saturday
Mostly sunny, with a high near 18. Northwest wind 10 to 14 mph, with gusts as high as 29 mph.
Saturday Night
A chance of snow, mainly after 5am. Mostly cloudy, with a low around 13. Northwest wind 6 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
Snow, mainly after 9am. The snow could be heavy at times. High near 31. North wind 6 to 10 mph becoming east in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 90%.
Sunday Night
Snow. The snow could be heavy at times. Low around 23. Northeast wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 100%.
Monday
Snow before 10am, then snow, possibly mixed with rain between 10am and 2pm, then snow likely after 2pm. High near 33. Northeast wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Monday Night
A chance of snow before 5am. Mostly cloudy, with a low around 15. Northwest wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 24. West wind 11 to 14 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 14. West wind around 11 mph, with gusts as high as 24 mph.
Wednesday
Mostly sunny, with a high near 26. West wind 8 to 10 mph, with gusts as high as 20 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dennis Port MA
 41.66°N 70.14°W (Elev. 13 ft)
Last Update:
1:54 pm EST Jan 22, 2026
Forecast Valid:
2pm EST Jan 22, 2026-6pm EST Jan 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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