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

30°F

-1°C

Humidity 72%
Wind Speed Calm
Barometer 30.43 in (1030.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 15 Mar 5:52 am EDT
Extended Forecast for

Dennis Port MA

High Wind Watch March 16, 05:00pm until March 17, 06:00am
Click here for hazard details and duration
High Wind Watch

  • Today

    Today: Mostly sunny, with a high near 43. Northwest wind 6 to 9 mph becoming southeast in the afternoon.

    High: 43 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of rain, mainly after 5am. Increasing clouds, with a low around 35. Southeast wind 9 to 16 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Partly Cloudy
    then Chance
    Rain

  • Monday

    Monday: Rain and thunderstorms likely, then rain and possibly a thunderstorm after 8am. Patchy fog. High near 54. South wind 16 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 54 °F

    Rain and
    Patchy Fog

  • Monday Night

    Monday Night: Rain. Areas of fog before 9pm. Low around 36. Breezy, with a south wind 16 to 23 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Rain and
    Areas Fog

  • Tuesday

    Tuesday: Rain likely, mainly before 8am. Partly sunny, with a high near 44. Southwest wind 14 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.

    High: 44 °F

    Rain Likely
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 23. West wind 10 to 13 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 35. Northwest wind 5 to 8 mph.

    High: 35 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 27. South wind 3 to 5 mph.

    Low: 27 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 40. South wind 5 to 8 mph.

    High: 40 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 43. Northwest wind 6 to 9 mph becoming southeast in the afternoon.
Tonight
A chance of rain, mainly after 5am. Increasing clouds, with a low around 35. Southeast wind 9 to 16 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 8am. Patchy fog. High near 54. South wind 16 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain. Areas of fog before 9pm. Low around 36. Breezy, with a south wind 16 to 23 mph, with gusts as high as 60 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain likely, mainly before 8am. Partly sunny, with a high near 44. Southwest wind 14 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 23. West wind 10 to 13 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 35. Northwest wind 5 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 27. South wind 3 to 5 mph.
Thursday
Partly sunny, with a high near 40. South wind 5 to 8 mph.
Thursday Night
Mostly cloudy, with a low around 32. Southeast wind around 5 mph.
Friday
Mostly sunny, with a high near 43. North wind 5 to 8 mph becoming south in the afternoon.
Friday Night
Partly cloudy, with a low around 33. South wind around 7 mph.
Saturday
A chance of rain. Mostly cloudy, with a high near 44. South wind 9 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dennis Port MA
 41.66°N 70.14°W (Elev. 13 ft)
Last Update:
1:06 am EDT Mar 15, 2026
Forecast Valid:
6am EDT Mar 15, 2026-6pm EDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation