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.

Fog/Mist

63°F

17°C

Humidity 100%
Wind Speed Vrbl 6 mph
Barometer 30.04 in (1017.2 mb)
Dewpoint 63°F (17°C)
Visibility 1.00 mi
Last update 25 Sep 9:52 am EDT
Extended Forecast for

East Harwich MA

  • Today

    Today: Showers likely, with thunderstorms also possible after 4pm. Patchy fog. Otherwise, cloudy, with a high near 73. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers
    Likely and
    Patchy Fog

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers. Patchy fog. Otherwise, cloudy, with a low around 64. Southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 77. Southwest wind 6 to 10 mph.

    High: 77 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. Southwest wind around 5 mph becoming northwest after midnight.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72. North wind around 7 mph.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 59. Light southeast wind. Chance of precipitation is 20%.

    Low: 59 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 72. Southeast wind 5 to 7 mph. Chance of precipitation is 40%.

    High: 72 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 60. Light and variable wind.

    Low: 60 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 73. West wind 3 to 7 mph.

    High: 73 °F

    Mostly Cloudy

Detailed Forecast

Today
Showers likely, with thunderstorms also possible after 4pm. Patchy fog. Otherwise, cloudy, with a high near 73. South wind 10 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers. Patchy fog. Otherwise, cloudy, with a low around 64. Southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 77. Southwest wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 60. Southwest wind around 5 mph becoming northwest after midnight.
Saturday
Mostly sunny, with a high near 72. North wind around 7 mph.
Saturday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 59. Light southeast wind. Chance of precipitation is 20%.
Sunday
A chance of showers. Mostly cloudy, with a high near 72. Southeast wind 5 to 7 mph. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 60. Light and variable wind.
Monday
Mostly cloudy, with a high near 73. West wind 3 to 7 mph.
Monday Night
Mostly cloudy, with a low around 58. Calm wind becoming north around 6 mph after midnight.
Tuesday
Partly sunny, with a high near 71. Northeast wind 9 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 53. Northeast wind 8 to 11 mph.
Wednesday
Mostly sunny, with a high near 65. North wind around 14 mph, with gusts as high as 25 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
East Harwich MA
 41.71°N 70.01°W (Elev. 59 ft)
Last Update:
6:10 am EDT Sep 25, 2025
Forecast Valid:
10am EDT Sep 25, 2025-6pm EDT Oct 1, 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