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

52°F

11°C

Humidity 57%
Wind Speed NW 13 G 25 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 6 Oct 9:52 am EDT
Extended Forecast for

South Harwich MA

  • Today

    Today: Sunny, with a high near 60. West wind around 10 mph, with gusts as high as 28 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 43. Light northwest wind.

    Low: 43 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 25 mph.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. Southwest wind around 14 mph.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 68. Southwest wind 10 to 14 mph.

    High: 68 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 55. West wind 6 to 8 mph.

    Low: 55 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65. West wind 7 to 9 mph.

    High: 65 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. West wind around 7 mph.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 62. Northwest wind 8 to 10 mph.

    High: 62 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 60. West wind around 10 mph, with gusts as high as 28 mph.
Tonight
Clear, with a low around 43. Light northwest wind.
Wednesday
Sunny, with a high near 63. Light southwest wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 55. Southwest wind around 14 mph.
Thursday
Sunny, with a high near 68. Southwest wind 10 to 14 mph.
Thursday Night
Mostly clear, with a low around 55. West wind 6 to 8 mph.
Friday
Sunny, with a high near 65. West wind 7 to 9 mph.
Friday Night
Mostly clear, with a low around 53. West wind around 7 mph.
Saturday
Sunny, with a high near 62. Northwest wind 8 to 10 mph.
Saturday Night
Mostly clear, with a low around 53. West wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 64. Southwest wind 6 to 11 mph.
Sunday Night
Mostly cloudy, with a low around 56. Southwest wind around 9 mph.
Columbus Day
A chance of showers. Partly sunny, with a high near 66. Southwest wind 9 to 13 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
South Harwich MA
 41.69°N 70.04°W (Elev. 52 ft)
Last Update:
9:38 am EDT Oct 6, 2026
Forecast Valid:
10am EDT Oct 6, 2026-6pm EDT Oct 12, 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