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

66°F

19°C

Humidity 75%
Wind Speed E 6 mph
Barometer 30.17 in (1021.9 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 22 Sep 10:52 am EDT
Extended Forecast for

East Harwich MA

  • Today

    Today: Sunny, with a high near 72. Southeast wind around 5 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. South wind 3 to 6 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Southwest wind 6 to 10 mph.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southwest wind 5 to 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Southwest wind 6 to 9 mph becoming northeast in the afternoon. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers. Cloudy, with a low around 57. Northeast wind around 6 mph. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 71. East wind 7 to 9 mph. Chance of precipitation is 40%.

    High: 71 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Mostly cloudy, with a low around 59. South wind around 6 mph. Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 74. South wind 8 to 10 mph. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 72. Southeast wind around 5 mph.
Tonight
Mostly clear, with a low around 58. South wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 75. Southwest wind 6 to 10 mph.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southwest wind 5 to 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Southwest wind 6 to 9 mph becoming northeast in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A chance of showers. Cloudy, with a low around 57. Northeast wind around 6 mph. Chance of precipitation is 40%.
Thursday
A chance of showers. Mostly cloudy, with a high near 71. East wind 7 to 9 mph. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 59. South wind around 6 mph. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 74. South wind 8 to 10 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 61. Southwest wind around 6 mph. Chance of precipitation is 50%.
Saturday
A chance of showers. Mostly cloudy, with a high near 74. South wind 6 to 9 mph. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 60. South wind around 6 mph. Chance of precipitation is 50%.
Sunday
A chance of showers. Partly sunny, with a high near 73. West wind 7 to 9 mph becoming north in the afternoon. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
East Harwich MA
 41.71°N 70.04°W (Elev. 52 ft)
Last Update:
6:21 am EDT Sep 22, 2025
Forecast Valid:
11am EDT Sep 22, 2025-6pm EDT Sep 28, 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