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

56°F

13°C

Humidity 93%
Wind Speed NW 3 mph
Barometer 30.10 in (1019.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 28 Aug 3:52 am EDT
Extended Forecast for

South Chatham MA

  • Today

    Today: Increasing clouds, with a high near 72. Light and variable wind becoming southwest 6 to 11 mph in the afternoon.

    High: 72 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 65. South wind around 10 mph.

    Low: 65 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 73. South wind 9 to 13 mph. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 59. Southwest wind 6 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Chance
    T-storms then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers between 9am and noon. Mostly sunny, with a high near 74. West wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 58. Southwest wind around 6 mph becoming northwest after midnight.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 73. North wind around 6 mph.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 73. North wind around 7 mph.

    High: 73 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 72. Light and variable wind becoming southwest 6 to 11 mph in the afternoon.
Tonight
Partly cloudy, with a low around 65. South wind around 10 mph.
Friday
A chance of showers, with thunderstorms also possible after 3pm. Partly sunny, with a high near 73. South wind 9 to 13 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 59. Southwest wind 6 to 9 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A slight chance of showers between 9am and noon. Mostly sunny, with a high near 74. West wind 6 to 8 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 58. Southwest wind around 6 mph becoming northwest after midnight.
Sunday
Sunny, with a high near 73. North wind around 6 mph.
Sunday Night
Mostly clear, with a low around 59. Calm wind.
Labor Day
Sunny, with a high near 73. North wind around 7 mph.
Monday Night
Partly cloudy, with a low around 60. East wind around 5 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 73. Northeast wind 6 to 8 mph becoming east in the afternoon.
Tuesday Night
Partly cloudy, with a low around 60. Southeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 72. East wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Chatham MA
 41.69°N 70.01°W (Elev. 49 ft)
Last Update:
4:03 am EDT Aug 28, 2025
Forecast Valid:
4am EDT Aug 28, 2025-6pm EDT Sep 3, 2025
 
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