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

45°F

7°C

Humidity 90%
Wind Speed SW 6 mph
Barometer 30.01 in (1016.4 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 9 Mar 8:52 pm EDT
Extended Forecast for

Chatham MA

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 37. Southwest wind around 7 mph.

    Low: 37 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 2pm, then patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 50. Southwest wind 6 to 9 mph.

    High: 50 °F

    Patchy Fog

  • Tuesday Night

    Tuesday Night: Patchy fog before 10pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 37. Southwest wind around 7 mph.

    Low: 37 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 50. South wind 6 to 10 mph.

    High: 50 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly after 2am. Cloudy, with a low around 41. South wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    Low: 41 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain and thunderstorms. Mostly cloudy, with a high near 50. West wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 50 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 29. Northwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    Low: 29 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 41. Northwest wind 8 to 10 mph becoming southwest in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain after 9pm. Mostly cloudy, with a low around 33. South wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 33 °F

    Chance Rain

Detailed Forecast

Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 37. Southwest wind around 7 mph.
Tuesday
Patchy fog before 2pm, then patchy fog after 5pm. Otherwise, mostly cloudy, with a high near 50. Southwest wind 6 to 9 mph.
Tuesday Night
Patchy fog before 10pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 37. Southwest wind around 7 mph.
Wednesday
Mostly cloudy, with a high near 50. South wind 6 to 10 mph.
Wednesday Night
A chance of rain, mainly after 2am. Cloudy, with a low around 41. South wind 11 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Thursday
A chance of rain and thunderstorms. Mostly cloudy, with a high near 50. West wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain, mixing with snow after 10pm, then gradually ending. Mostly cloudy, with a low around 29. Northwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 41. Northwest wind 8 to 10 mph becoming southwest in the afternoon.
Friday Night
A chance of rain after 9pm. Mostly cloudy, with a low around 33. South wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 43. West wind around 14 mph.
Saturday Night
Partly cloudy, with a low around 32. Northwest wind 7 to 9 mph.
Sunday
Mostly cloudy, with a high near 46. Northwest wind 7 to 11 mph becoming southeast in the morning.
Sunday Night
A chance of rain. Cloudy, with a low around 37. South wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 40%.
Monday
Rain likely. Cloudy, with a high near 47. South wind 15 to 17 mph, with gusts as high as 30 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 69.96°W (Elev. 13 ft)
Last Update:
1:00 pm EDT Mar 9, 2026
Forecast Valid:
9pm EDT Mar 9, 2026-6pm EDT Mar 16, 2026
 
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