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.

Fog/Mist

59°F

15°C

Humidity 93%
Wind Speed E 6 mph
Barometer 30.12 in (1020.1 mb)
Dewpoint 57°F (14°C)
Visibility 5.00 mi
Last update 21 Aug 12:52 am EDT
Extended Forecast for

Chatham MA

High Surf Advisory August 21, 01:36am until August 23, 08:00pm
Wind Advisory August 21, 05:00pm until August 22, 02:00pm
Click here for hazard details and duration
High Surf Advisory
Wind Advisory
  •  
    High Surf Advisory August 21, 01:36am until August 23, 08:00pm

    NOW until 8:00pm Sat

    High Surf Advisory

  • Overnight

    Low: 59 °F

    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 11am. Mostly cloudy, with a high near 71. Breezy, with an east wind 17 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 71 °F

    Breezy.
    Chance
    Showers then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 62. Breezy, with a northeast wind 22 to 25 mph, with gusts as high as 37 mph.

    Low: 62 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 74. Breezy, with a north wind 18 to 23 mph, with gusts as high as 37 mph.

    High: 74 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. West wind around 10 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77. West wind 8 to 10 mph becoming south in the afternoon.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65. South wind around 10 mph.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76. South wind 10 to 13 mph.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Overnight
Showers, mainly before 4am. Low around 59. East wind around 16 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, mainly before 11am. Mostly cloudy, with a high near 71. Breezy, with an east wind 17 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Mostly cloudy, with a low around 62. Breezy, with a northeast wind 22 to 25 mph, with gusts as high as 37 mph.
Friday
Mostly sunny, with a high near 74. Breezy, with a north wind 18 to 23 mph, with gusts as high as 37 mph.
Friday Night
Mostly clear, with a low around 64. West wind around 10 mph.
Saturday
Sunny, with a high near 77. West wind 8 to 10 mph becoming south in the afternoon.
Saturday Night
Mostly clear, with a low around 65. South wind around 10 mph.
Sunday
Mostly sunny, with a high near 76. South wind 10 to 13 mph.
Sunday Night
A chance of showers after 3am. Mostly cloudy, with a low around 64. South wind around 10 mph. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 75. South wind around 10 mph. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 63. South wind 7 to 9 mph. Chance of precipitation is 40%.
Tuesday
Sunny, with a high near 76. West wind 8 to 10 mph.
Tuesday Night
Mostly clear, with a low around 61. West wind around 10 mph.
Wednesday
Sunny, with a high near 74. West wind around 10 mph.
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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 pm EDT Aug 20, 2025
Forecast Valid:
1am EDT Aug 21, 2025-6pm EDT Aug 27, 2025
 
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