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.

Mostly Cloudy

66°F

19°C

Humidity 87%
Wind Speed Vrbl 5 mph
Barometer 29.92 in (1013.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 4 Sep 6:52 pm EDT
Extended Forecast for

West Harwich MA

  • Tonight

    Tonight: Increasing clouds, with a low around 62. South wind 6 to 8 mph.

    Low: 62 °F

    Increasing
    Clouds

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 78. South wind 7 to 13 mph, with gusts as high as 30 mph.

    High: 78 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 66. South wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 66 °F

    Patchy Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 80. South wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 80 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers after 1am. Mostly cloudy, with a low around 63. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 74. Southwest wind 7 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: A chance of showers before 3am. Patchy fog before midnight. Otherwise, cloudy, with a low around 57. Northwest wind around 6 mph. Chance of precipitation is 40%.

    Low: 57 °F

    Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: A chance of showers between 8am and 10am. Partly sunny, with a high near 73. Northwest wind around 9 mph. Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. South wind around 6 mph becoming north after midnight.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 62. South wind 6 to 8 mph.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 78. South wind 7 to 13 mph, with gusts as high as 30 mph.
Friday Night
Patchy fog after 9pm. Otherwise, partly cloudy, with a low around 66. South wind 9 to 11 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny, with a high near 80. South wind 10 to 14 mph, with gusts as high as 25 mph.
Saturday Night
A slight chance of showers after 1am. Mostly cloudy, with a low around 63. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday
A chance of showers. Patchy fog before noon. Otherwise, mostly cloudy, with a high near 74. Southwest wind 7 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 50%.
Sunday Night
A chance of showers before 3am. Patchy fog before midnight. Otherwise, cloudy, with a low around 57. Northwest wind around 6 mph. Chance of precipitation is 40%.
Monday
A chance of showers between 8am and 10am. Partly sunny, with a high near 73. Northwest wind around 9 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 55. South wind around 6 mph becoming north after midnight.
Tuesday
Mostly sunny, with a high near 71. Northeast wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 57. Northeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 70. Northeast wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 57. East wind around 6 mph.
Thursday
Mostly sunny, with a high near 72. Northeast wind 7 to 10 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:
7:17 pm EDT Sep 4, 2025
Forecast Valid:
7pm EDT Sep 4, 2025-6pm EDT Sep 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation