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 71%
Wind Speed Calm
Barometer 30.16 in (1021.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 16 Aug 8:52 am EDT
Extended Forecast for

Chatham MA

  • Today

    Today: Sunny, with a high near 77. Light and variable wind becoming south 5 to 8 mph in the morning.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 65. South wind around 8 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Increasing
    Clouds

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 2pm. Patchy fog after noon. Otherwise, cloudy, with a high near 73. Southeast wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers
    Likely and
    Patchy Fog

  • Monday Night

    Monday Night: A chance of showers, mainly before 1am. Patchy fog before 9pm. Otherwise, mostly cloudy, with a low around 69. Southeast wind 7 to 9 mph becoming north after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 69 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Partly sunny, with a high near 71. North wind 10 to 13 mph.

    High: 71 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69. Light and variable wind.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 75. Light southwest wind increasing to 6 to 11 mph in the morning.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70. Southwest wind 7 to 9 mph.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers after 10am. Partly sunny, with a high near 78. West wind 7 to 9 mph. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 77. Light and variable wind becoming south 5 to 8 mph in the morning.
Tonight
Increasing clouds, with a low around 65. South wind around 8 mph, with gusts as high as 20 mph.
Monday
Showers likely, with thunderstorms also possible after 2pm. Patchy fog after noon. Otherwise, cloudy, with a high near 73. Southeast wind 11 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers, mainly before 1am. Patchy fog before 9pm. Otherwise, mostly cloudy, with a low around 69. Southeast wind 7 to 9 mph becoming north after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Partly sunny, with a high near 71. North wind 10 to 13 mph.
Tuesday Night
Partly cloudy, with a low around 69. Light and variable wind.
Wednesday
Sunny, with a high near 75. Light southwest wind increasing to 6 to 11 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 70. Southwest wind 7 to 9 mph.
Thursday
A chance of showers after 10am. Partly sunny, with a high near 78. West wind 7 to 9 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers before midnight. Mostly cloudy, with a low around 66. Southwest wind around 6 mph becoming north after midnight. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 74. North wind around 10 mph.
Friday Night
Partly cloudy, with a low around 66. Southeast wind 3 to 5 mph.
Saturday
A chance of showers. Mostly sunny, with a high near 75. East wind 7 to 10 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chatham MA
 41.68°N 69.96°W (Elev. 13 ft)
Last Update:
6:19 am EDT Aug 16, 2026
Forecast Valid:
9am EDT Aug 16, 2026-6pm EDT Aug 22, 2026
 
Forecast Discussion
 
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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