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

66°F

19°C

Humidity 93%
Wind Speed SW 3 mph
Barometer 29.55 in (1000.6 mb)
Dewpoint 64°F (18°C)
Visibility 7.00 mi
Last update 19 Jun 1:52 am EDT
Extended Forecast for

Chatham MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 68. West wind around 9 mph.

    Low: 68 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 79. Southwest wind 9 to 13 mph, with gusts as high as 26 mph.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming clear, with a low around 67. West wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 67 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 82. West wind around 10 mph, with gusts as high as 22 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. West wind around 6 mph.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79. West wind around 6 mph becoming south in the afternoon.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. Light southwest wind.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers after 11am. The rain could be heavy at times. Partly sunny, with a high near 77. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 40%.

    High: 77 °F

    Heavy Rain

  • Monday Night

    Monday Night: Showers. The rain could be heavy at times. Low around 67. South wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.

    Low: 67 °F

    Heavy Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 68. West wind around 9 mph.
Juneteenth
Partly sunny, with a high near 79. Southwest wind 9 to 13 mph, with gusts as high as 26 mph.
Friday Night
Mostly cloudy, then gradually becoming clear, with a low around 67. West wind 7 to 9 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 82. West wind around 10 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 65. West wind around 6 mph.
Sunday
Sunny, with a high near 79. West wind around 6 mph becoming south in the afternoon.
Sunday Night
Mostly clear, with a low around 66. Light southwest wind.
Monday
A chance of showers after 11am. The rain could be heavy at times. Partly sunny, with a high near 77. Light south wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 40%.
Monday Night
Showers. The rain could be heavy at times. Low around 67. South wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Tuesday
Showers likely, mainly before 9am. Mostly cloudy, with a high near 79. West wind around 14 mph. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 67. Southwest wind around 6 mph.
Wednesday
Sunny, with a high near 80. West wind 5 to 7 mph becoming southwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 67. Southwest wind around 5 mph.
Thursday
Mostly sunny, with a high near 78. Light southwest wind becoming south 5 to 9 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chatham MA
 41.68°N 69.99°W (Elev. 33 ft)
Last Update:
12:20 am EDT Jun 19, 2026
Forecast Valid:
2am EDT Jun 19, 2026-6pm EDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation