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.

Fog/Mist

42°F

6°C

Humidity 100%
Wind Speed SW 14 G 28 mph
Barometer 29.88 in (1012.1 mb)
Dewpoint 42°F (6°C)
Visibility 0.75 mi
Wind Chill35°F (2°C)
Last update 8 Mar 12:52 am EDT
Extended Forecast for

Harwich Center MA

  • Overnight

    Overnight: A slight chance of rain, then a chance of rain and thunderstorms after 1am. Patchy dense fog. Otherwise, cloudy, with a low around 40. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 40 °F

    Chance Rain
    and Patchy
    Dense Fog

  • Sunday

    Sunday: A chance of rain before 2pm, then a slight chance of freezing rain between 2pm and 4pm. Patchy dense fog before 2pm, then patchy dense fog after 3pm. Patchy freezing fog between 2pm and 3pm. Otherwise, cloudy, with a high near 49. Southwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    High: 49 °F

    Chance
    Rain/Freezing
    Rain and
    Patchy
    Freezing Fog

  • Sunday Night

    Sunday Night: Patchy fog before midnight. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 34. West wind 3 to 5 mph.

    Low: 34 °F

    Patchy Fog
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 53. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. Southwest wind 3 to 6 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48. Southwest wind 3 to 7 mph.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Southwest wind 3 to 5 mph.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 50. South wind 5 to 10 mph.

    High: 50 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 40. South wind 8 to 10 mph, with gusts as high as 26 mph.

    Low: 40 °F

    Cloudy

Detailed Forecast

Overnight
A slight chance of rain, then a chance of rain and thunderstorms after 1am. Patchy dense fog. Otherwise, cloudy, with a low around 40. Southwest wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of rain before 2pm, then a slight chance of freezing rain between 2pm and 4pm. Patchy dense fog before 2pm, then patchy dense fog after 3pm. Patchy freezing fog between 2pm and 3pm. Otherwise, cloudy, with a high near 49. Southwest wind 6 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Sunday Night
Patchy fog before midnight. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 34. West wind 3 to 5 mph.
Monday
Sunny, with a high near 53. Calm wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 33. Southwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 48. Southwest wind 3 to 7 mph.
Tuesday Night
Mostly cloudy, with a low around 36. Southwest wind 3 to 5 mph.
Wednesday
Cloudy, with a high near 50. South wind 5 to 10 mph.
Wednesday Night
Cloudy, with a low around 40. South wind 8 to 10 mph, with gusts as high as 26 mph.
Thursday
A chance of rain between 7am and 11am, then snow likely. Cloudy, with a high near 60. South wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Thursday Night
A chance of rain and snow. Partly cloudy, with a low around 25. West wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 42. West wind 9 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Friday Night
A chance of rain. Mostly cloudy, with a low around 31. Southwest wind 8 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 53. Southwest wind 8 to 11 mph, with gusts as high as 24 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Harwich Center MA
 41.7°N 70.07°W (Elev. 49 ft)
Last Update:
11:33 pm EST Mar 7, 2026
Forecast Valid:
12am EST Mar 8, 2026-6pm EDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation