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

17°F

-8°C

Humidity 74%
Wind Speed Calm
Barometer 30.67 in (1038.7 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 3 Mar 1:52 am EST
Extended Forecast for

Chatham MA

  • Overnight

    Overnight: Clear, with a low around 18. Calm wind.

    Low: 18 °F

    Clear

  • Tuesday

    Tuesday: A chance of rain and snow between noon and 2pm, then rain. High near 38. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 38 °F

    Partly Sunny
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain, mainly before 4am. Patchy fog after 10pm. Low around 35. Southeast wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 35 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 46. Northwest wind 5 to 7 mph becoming south in the afternoon.

    High: 46 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog before 8pm. Otherwise, mostly cloudy, with a low around 33. Light southwest wind.

    Low: 33 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday

    Thursday: A chance of rain, mainly after 9am. Mostly cloudy, with a high near 41. Light and variable wind becoming northwest around 6 mph in the morning. Chance of precipitation is 30%.

    High: 41 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain, mainly after 1am. Low around 35. East wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 35 °F

    Chance Rain
    then Rain

  • Friday

    Friday: Rain likely, mainly before 1pm. Cloudy, with a high near 41. East wind 10 to 13 mph. Chance of precipitation is 70%.

    High: 41 °F

    Rain Likely

  • Friday Night

    Friday Night: Cloudy, with a low around 34. Northeast wind 6 to 8 mph.

    Low: 34 °F

    Cloudy

Detailed Forecast

Overnight
Clear, with a low around 18. Calm wind.
Tuesday
A chance of rain and snow between noon and 2pm, then rain. High near 38. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday Night
Rain, mainly before 4am. Patchy fog after 10pm. Low around 35. Southeast wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 46. Northwest wind 5 to 7 mph becoming south in the afternoon.
Wednesday Night
Patchy fog before 8pm. Otherwise, mostly cloudy, with a low around 33. Light southwest wind.
Thursday
A chance of rain, mainly after 9am. Mostly cloudy, with a high near 41. Light and variable wind becoming northwest around 6 mph in the morning. Chance of precipitation is 30%.
Thursday Night
Rain, mainly after 1am. Low around 35. East wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Friday
Rain likely, mainly before 1pm. Cloudy, with a high near 41. East wind 10 to 13 mph. Chance of precipitation is 70%.
Friday Night
Cloudy, with a low around 34. Northeast wind 6 to 8 mph.
Saturday
Mostly cloudy, with a high near 46. Southeast wind 6 to 10 mph becoming southwest in the afternoon.
Saturday Night
A chance of rain. Cloudy, with a low around 39. Southwest wind around 11 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Sunday
A chance of rain. Mostly cloudy, with a high near 46. West wind 7 to 9 mph. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 38. Southwest wind around 7 mph.
Monday
Partly sunny, with a high near 48. Southwest wind 7 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Chatham MA
 41.68°N 69.96°W (Elev. 13 ft)
Last Update:
2:06 am EST Mar 3, 2026
Forecast Valid:
2am EST Mar 3, 2026-6pm EDT Mar 9, 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