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.

A Few Clouds

73°F

23°C

Humidity 53%
Wind Speed NE 9 mph
Barometer 30.19 in (1022.5 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 29 Aug 11:52 am EDT
Extended Forecast for

West Harwich MA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 72. Northeast wind around 8 mph.

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 64. Light and variable wind becoming southwest around 6 mph in the evening.

    Low: 64 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 79. Southwest wind 7 to 14 mph.

    High: 79 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly between 8pm and 4am. Mostly cloudy, with a low around 66. Southwest wind 8 to 11 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 66 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 73. Northwest wind around 9 mph becoming northeast in the afternoon.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. Light southeast wind.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73. Southeast wind 3 to 8 mph.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 10pm. Mostly cloudy, with a low around 63. Southeast wind around 7 mph. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers. Mostly cloudy, with a high near 75. Southeast wind 10 to 14 mph. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 72. Northeast wind around 8 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 64. Light and variable wind becoming southwest around 6 mph in the evening.
Sunday
Mostly sunny, with a high near 79. Southwest wind 7 to 14 mph.
Sunday Night
A chance of showers, mainly between 8pm and 4am. Mostly cloudy, with a low around 66. Southwest wind 8 to 11 mph. Chance of precipitation is 30%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Mostly sunny, with a high near 73. Northwest wind around 9 mph becoming northeast in the afternoon.
Monday Night
Partly cloudy, with a low around 63. Light southeast wind.
Tuesday
Mostly sunny, with a high near 73. Southeast wind 3 to 8 mph.
Tuesday Night
A chance of showers after 10pm. Mostly cloudy, with a low around 63. Southeast wind around 7 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 75. Southeast wind 10 to 14 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 66. South wind around 9 mph. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly cloudy, with a high near 78. Southwest wind 9 to 11 mph. Chance of precipitation is 50%.
Thursday Night
Mostly cloudy, with a low around 64. South wind around 9 mph becoming northwest after midnight.
Friday
Partly sunny, with a high near 74. North wind 10 to 13 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
West Harwich MA
 41.68°N 70.11°W (Elev. 10 ft)
Last Update:
10:57 am EDT Aug 29, 2026
Forecast Valid:
1pm EDT Aug 29, 2026-6pm EDT Sep 4, 2026
 
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