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

55°F

13°C

Humidity 90%
Wind Speed NE 13 mph
Barometer 30.12 in (1020.1 mb)
Dewpoint 52°F (11°C)
Visibility 5.00 mi
Wind Chill51°F (11°C)
Last update 14 Jun 4:52 pm EDT
Extended Forecast for

South Harwich MA

  • This Afternoon

    This Afternoon: A slight chance of showers. Mostly cloudy, with a high near 64. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 64 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 55. East wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 65. East wind 7 to 9 mph.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. East wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68. Southeast wind 5 to 7 mph.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57. Southeast wind 3 to 5 mph.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 71. Southeast wind 5 to 8 mph.

    High: 71 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 60. South wind around 6 mph.

    Low: 60 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 74. South wind 6 to 10 mph.

    High: 74 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A slight chance of showers. Mostly cloudy, with a high near 64. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 55. East wind 6 to 8 mph. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 65. East wind 7 to 9 mph.
Sunday Night
Partly cloudy, with a low around 54. East wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 68. Southeast wind 5 to 7 mph.
Monday Night
Mostly cloudy, with a low around 57. Southeast wind 3 to 5 mph.
Tuesday
Partly sunny, with a high near 71. Southeast wind 5 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 60. South wind around 6 mph.
Wednesday
Mostly cloudy, with a high near 74. South wind 6 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 63. Southwest wind around 7 mph.
Juneteenth
Partly sunny, with a high near 78. Southwest wind 7 to 13 mph.
Thursday Night
Partly cloudy, with a low around 64. Southwest wind 9 to 11 mph.
Friday
Sunny, with a high near 77. West wind 9 to 11 mph.
Friday Night
Mostly clear, with a low around 62. West wind around 8 mph.
Saturday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
South Harwich MA
 41.69°N 70.04°W (Elev. 52 ft)
Last Update:
3:40 pm EDT Jun 14, 2025
Forecast Valid:
5pm EDT Jun 14, 2025-6pm EDT Jun 21, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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