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

76°F

24°C

Humidity 74%
Wind Speed SW 8 G 16 mph
Barometer 30.24 in (1024.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 17 Sep 12:52 pm EDT
Extended Forecast for

Harwich Center MA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 73. South wind around 9 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 4am. Mostly cloudy, with a low around 64. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 64 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: A chance of showers before 8am. Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 71. West wind 8 to 13 mph becoming north in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 71 °F

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. North wind 6 to 13 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64. Northeast wind 7 to 10 mph.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51. Calm wind.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 3pm. Mostly cloudy, with a high near 68. Southeast wind 6 to 11 mph. Chance of precipitation is 60%.

    High: 68 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 54. South wind 7 to 10 mph becoming north after midnight. Chance of precipitation is 70%.

    Low: 54 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 10am. Mostly cloudy, with a high near 68. North wind around 15 mph. Chance of precipitation is 30%.

    High: 68 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 73. South wind around 9 mph.
Tonight
Showers likely, mainly after 4am. Mostly cloudy, with a low around 64. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers before 8am. Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 71. West wind 8 to 13 mph becoming north in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 54. North wind 6 to 13 mph.
Saturday
Mostly sunny, with a high near 64. Northeast wind 7 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 51. Calm wind.
Sunday
Showers likely, mainly after 3pm. Mostly cloudy, with a high near 68. Southeast wind 6 to 11 mph. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 54. South wind 7 to 10 mph becoming north after midnight. Chance of precipitation is 70%.
Monday
A chance of showers before 10am. Mostly cloudy, with a high near 68. North wind around 15 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 54. Northeast wind 9 to 11 mph, with gusts as high as 21 mph.
Tuesday
Partly sunny, with a high near 67. Northeast wind around 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 54. Northeast wind 10 to 13 mph.
Wednesday
Mostly sunny, with a high near 67. East wind around 16 mph, with gusts as high as 26 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harwich Center MA
 41.7°N 70.07°W (Elev. 49 ft)
Last Update:
3:30 am EDT Sep 17, 2026
Forecast Valid:
1pm EDT Sep 17, 2026-6pm EDT Sep 23, 2026
 
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