National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Fair

72°F

22°C

Humidity 48%
Wind Speed Vrbl 5 mph
Barometer 29.95 in (1014.3 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 11 Sep 1:52 pm EDT
Extended Forecast for

Dennis Port MA

  • This Afternoon

    This Afternoon: Sunny, with a high near 74. Calm wind.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 57. Calm wind becoming north around 6 mph after midnight.

    Low: 57 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 72. Northeast wind 5 to 9 mph becoming southeast in the afternoon.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 64. South wind 6 to 8 mph.

    Low: 64 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 3pm, then showers likely. High near 75. South wind around 11 mph. Chance of precipitation is 80%.

    High: 75 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers, mainly before 7pm. Mostly cloudy, with a low around 64. West wind around 7 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 73. North wind 8 to 11 mph.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57. North wind 7 to 11 mph.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68. Northeast wind 8 to 10 mph.

    High: 68 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 74. Calm wind.
Tonight
Clear, with a low around 57. Calm wind becoming north around 6 mph after midnight.
Saturday
Sunny, with a high near 72. Northeast wind 5 to 9 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 64. South wind 6 to 8 mph.
Sunday
Showers and possibly a thunderstorm before 3pm, then showers likely. High near 75. South wind around 11 mph. Chance of precipitation is 80%.
Sunday Night
A chance of showers, mainly before 7pm. Mostly cloudy, with a low around 64. West wind around 7 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 73. North wind 8 to 11 mph.
Monday Night
Mostly clear, with a low around 57. North wind 7 to 11 mph.
Tuesday
Sunny, with a high near 68. Northeast wind 8 to 10 mph.
Tuesday Night
Mostly clear, with a low around 58. Southeast wind around 5 mph becoming light and variable in the evening.
Wednesday
Sunny, with a high near 73. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 61. Southwest wind 5 to 7 mph.
Thursday
Sunny, with a high near 75. Southwest wind 6 to 11 mph.
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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:
2:28 pm EDT Sep 11, 2026
Forecast Valid:
2pm EDT Sep 11, 2026-6pm EDT Sep 17, 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