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

74°F

23°C

Humidity 82%
Wind Speed S 7 mph
Barometer 29.78 in (1008.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 28 Jul 5:52 pm EDT
Extended Forecast for

Harwich Center MA

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Southeast wind 6 to 9 mph.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 77. Southeast wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 66. East wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 66 °F

    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 9am. Mostly cloudy, with a high near 76. North wind 7 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 65. North wind around 7 mph. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 76. North wind 8 to 10 mph.

    High: 76 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. Light northwest wind.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 78. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 64. Southwest wind 3 to 5 mph.

    Low: 64 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 67. Southeast wind 6 to 9 mph.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 77. Southeast wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 10pm. Low around 66. East wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A chance of showers and thunderstorms, mainly after 9am. Mostly cloudy, with a high near 76. North wind 7 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, mainly before 5am. Mostly cloudy, with a low around 65. North wind around 7 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 76. North wind 8 to 10 mph.
Friday Night
Partly cloudy, with a low around 62. Light northwest wind.
Saturday
Mostly sunny, with a high near 78. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 64. Southwest wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 81. South wind 5 to 10 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 65. South wind 5 to 7 mph. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 81. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 65. Southwest wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 80. North wind 6 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Harwich Center MA
 41.7°N 70.07°W (Elev. 49 ft)
Last Update:
3:27 pm EDT Jul 28, 2026
Forecast Valid:
6pm EDT Jul 28, 2026-6pm EDT Aug 4, 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