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

39°F

4°C

Humidity 86%
Wind Speed NE 14 G 28 mph
Barometer 30.38 in (1029.1 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 2 Apr 4:52 am EDT
Extended Forecast for

Northwest Harwich MA

  • Overnight

    Overnight: Rain. Patchy fog. Low around 37. Northeast wind around 8 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Rain and
    Patchy Fog

  • Thursday

    Thursday: Rain, mainly before noon. Patchy fog before 4pm, then patchy fog after 5pm. High near 41. Northeast wind 9 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 41 °F

    Rain and
    Patchy Fog
    then Chance
    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Patchy fog. Otherwise, cloudy, with a low around 36. East wind 3 to 7 mph. Winds could gust as high as 23 mph.

    Low: 36 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 1pm. Otherwise, cloudy, with a high near 53. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 53 °F

    Patchy Fog

  • Friday Night

    Friday Night: Patchy fog between 7pm and 9pm. Otherwise, mostly cloudy, with a low around 40. Southwest wind around 10 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 51. Northwest wind 6 to 9 mph becoming northeast in the afternoon.

    High: 51 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Cloudy, with a low around 38. East wind around 7 mph.

    Low: 38 °F

    Cloudy

  • Sunday

    Sunday: Showers, mainly after 9am. High near 54. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 54 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 9pm. Mostly cloudy, with a low around 38. West wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    Low: 38 °F

    Showers
    Likely

Detailed Forecast

Overnight
Rain. Patchy fog. Low around 37. Northeast wind around 8 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain, mainly before noon. Patchy fog before 4pm, then patchy fog after 5pm. High near 41. Northeast wind 9 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Patchy fog. Otherwise, cloudy, with a low around 36. East wind 3 to 7 mph. Winds could gust as high as 23 mph.
Friday
Patchy fog before 1pm. Otherwise, cloudy, with a high near 53. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Friday Night
Patchy fog between 7pm and 9pm. Otherwise, mostly cloudy, with a low around 40. Southwest wind around 10 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 51. Northwest wind 6 to 9 mph becoming northeast in the afternoon.
Saturday Night
Cloudy, with a low around 38. East wind around 7 mph.
Sunday
Showers, mainly after 9am. High near 54. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Sunday Night
Showers likely, mainly before 9pm. Mostly cloudy, with a low around 38. West wind 6 to 8 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 49. West wind around 8 mph.
Monday Night
Partly cloudy, with a low around 35. West wind around 6 mph.
Tuesday
Mostly sunny, with a high near 45. Northwest wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 31. North wind 3 to 8 mph.
Wednesday
Sunny, with a high near 41. Northeast wind around 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Northwest Harwich MA
 41.7°N 70.1°W (Elev. 43 ft)
Last Update:
2:56 am EDT Apr 2, 2026
Forecast Valid:
5am EDT Apr 2, 2026-6pm EDT Apr 8, 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