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

63°F

17°C

Humidity 84%
Wind Speed Vrbl 6 mph
Barometer 30.13 in (1020.3 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 17 Jun 10:52 am EDT
Extended Forecast for

Northwest Harwich MA

  • Today

    Today: Partly sunny, with a high near 70. Southeast wind around 9 mph.

    High: 70 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers, mainly after 5am. Patchy fog. Otherwise, cloudy, with a low around 61. Southeast wind 6 to 8 mph. Chance of precipitation is 30%.

    Low: 61 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of showers. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 74. South wind 7 to 9 mph. Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 63. Southwest wind around 7 mph. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: A slight chance of showers and thunderstorms before 10am. Mostly sunny, with a high near 79. Southwest wind 7 to 13 mph. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    T-storms then
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. Southwest wind around 10 mph, with gusts as high as 22 mph.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 79. Southwest wind 8 to 10 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. West wind around 7 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. Southwest wind 6 to 8 mph.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 70. Southeast wind around 9 mph.
Tonight
A chance of showers, mainly after 5am. Patchy fog. Otherwise, cloudy, with a low around 61. Southeast wind 6 to 8 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of showers. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 74. South wind 7 to 9 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 63. Southwest wind around 7 mph. Chance of precipitation is 40%.
Juneteenth
A slight chance of showers and thunderstorms before 10am. Mostly sunny, with a high near 79. Southwest wind 7 to 13 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 64. Southwest wind around 10 mph, with gusts as high as 22 mph.
Friday
Sunny, with a high near 79. Southwest wind 8 to 10 mph.
Friday Night
Mostly clear, with a low around 63. West wind around 7 mph.
Saturday
Sunny, with a high near 78. Southwest wind 6 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 63. Southwest wind around 6 mph.
Sunday
Mostly sunny, with a high near 77. Southwest wind 7 to 11 mph.
Sunday Night
Partly cloudy, with a low around 64. Southwest wind around 7 mph.
Monday
Mostly sunny, with a high near 79. South wind 6 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Northwest Harwich MA
 41.7°N 70.1°W (Elev. 43 ft)
Last Update:
8:49 am EDT Jun 17, 2025
Forecast Valid:
11am EDT Jun 17, 2025-6pm EDT Jun 23, 2025
 
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