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.

Overcast

65°F

18°C

Humidity 81%
Wind Speed NE 9 G 21 mph
Barometer 29.99 in (1015.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 18 Aug 3:52 am EDT
Extended Forecast for

Northwest Harwich MA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 71. Northeast wind 14 to 16 mph, with gusts as high as 31 mph.

    High: 71 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 52. Northeast wind 3 to 5 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Northeast wind 5 to 8 mph.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. Southeast wind 3 to 6 mph.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76. Southeast wind 5 to 10 mph.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers after 10pm. Partly cloudy, with a low around 60. East wind around 6 mph. Chance of precipitation is 20%.

    Low: 60 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 77. Northeast wind 8 to 14 mph.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 61. Northeast wind around 14 mph, with gusts as high as 24 mph.

    Low: 61 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 76. North wind around 15 mph, with gusts as high as 28 mph.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 71. Northeast wind 14 to 16 mph, with gusts as high as 31 mph.
Tonight
Mostly clear, with a low around 52. Northeast wind 3 to 5 mph.
Tuesday
Sunny, with a high near 75. Northeast wind 5 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 55. Southeast wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 76. Southeast wind 5 to 10 mph.
Wednesday Night
A slight chance of showers after 10pm. Partly cloudy, with a low around 60. East wind around 6 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 77. Northeast wind 8 to 14 mph.
Thursday Night
Mostly cloudy, with a low around 61. Northeast wind around 14 mph, with gusts as high as 24 mph.
Friday
Mostly sunny, with a high near 76. North wind around 15 mph, with gusts as high as 28 mph.
Friday Night
Mostly clear, with a low around 62. Northeast wind around 9 mph becoming southwest in the evening.
Saturday
Sunny, with a high near 79. South wind 8 to 11 mph.
Saturday Night
Partly cloudy, with a low around 64. South wind around 9 mph.
Sunday
Mostly sunny, with a high near 81. South wind 9 to 13 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Northwest Harwich MA
 41.7°N 70.1°W (Elev. 43 ft)
Last Update:
2:39 am EDT Aug 18, 2025
Forecast Valid:
4am EDT Aug 18, 2025-6pm EDT Aug 24, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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