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

49°F

9°C

Humidity 74%
Wind Speed SW 7 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 9 Mar 4:52 pm EDT
Extended Forecast for

Chatham MA

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 36. South wind around 6 mph.

    Low: 36 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before noon. Otherwise, partly sunny, with a high near 48. Southwest wind 5 to 7 mph.

    High: 48 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between 1am and 3am. Otherwise, mostly cloudy, with a low around 36. Southwest wind 3 to 5 mph.

    Low: 36 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 49. South wind 3 to 8 mph.

    High: 49 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly after 2am. Cloudy, with a low around 40. South wind 8 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 40 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain and thunderstorms. Mostly cloudy, with a high near 48. West wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    High: 48 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain before 10pm, then a chance of snow between 10pm and 11pm. Mostly cloudy, with a low around 28. Northwest wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 40. Northwest wind 6 to 8 mph becoming southwest in the afternoon.

    High: 40 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain after 9pm. Mostly cloudy, with a low around 31. South wind 7 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.

    Low: 31 °F

    Chance Rain

Detailed Forecast

Tonight
Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 36. South wind around 6 mph.
Tuesday
Patchy fog before noon. Otherwise, partly sunny, with a high near 48. Southwest wind 5 to 7 mph.
Tuesday Night
Patchy fog between 1am and 3am. Otherwise, mostly cloudy, with a low around 36. Southwest wind 3 to 5 mph.
Wednesday
Mostly cloudy, with a high near 49. South wind 3 to 8 mph.
Wednesday Night
A chance of rain, mainly after 2am. Cloudy, with a low around 40. South wind 8 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday
A chance of rain and thunderstorms. Mostly cloudy, with a high near 48. West wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain before 10pm, then a chance of snow between 10pm and 11pm. Mostly cloudy, with a low around 28. Northwest wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 40. Northwest wind 6 to 8 mph becoming southwest in the afternoon.
Friday Night
A chance of rain after 9pm. Mostly cloudy, with a low around 31. South wind 7 to 9 mph, with gusts as high as 24 mph. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 43. West wind around 10 mph, with gusts as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 30. Northwest wind around 6 mph.
Sunday
Mostly cloudy, with a high near 45. Northwest wind 5 to 9 mph becoming southeast in the morning. Winds could gust as high as 20 mph.
Sunday Night
A chance of rain. Cloudy, with a low around 35. South wind 9 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Monday
Rain likely. Cloudy, with a high near 47. South wind 11 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chatham MA
 41.68°N 69.99°W (Elev. 33 ft)
Last Update:
1:00 pm EDT Mar 9, 2026
Forecast Valid:
5pm EDT Mar 9, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation