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

46°F

8°C

Humidity 89%
Wind Speed SW 9 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 11 Mar 9:52 am EDT
Extended Forecast for

Chatham MA

  • Today

    Today: Patchy fog. Otherwise, mostly cloudy, with a high near 44. South wind 6 to 9 mph.

    High: 44 °F

    Patchy Fog

  • Tonight

    Tonight: A chance of rain, with thunderstorms also possible after 11pm. Patchy dense fog. Otherwise, cloudy, with a low around 44. South wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Chance Rain
    and Patchy
    Dense Fog

  • Thursday

    Thursday: Rain, mainly after 10am. Patchy fog before 1pm. Temperature falling to around 39 by 5pm. Southwest wind 11 to 15 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F⇓

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain likely, possibly mixed with snow before 7pm, then a chance of snow between 7pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 30. West wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain/Snow
    Likely then
    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 43. West wind 8 to 11 mph becoming southwest in the afternoon.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain, mainly after 8pm. Mostly cloudy, with a low around 35. South wind 11 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Chance Rain

  • Saturday

    Saturday: Mostly sunny, with a high near 44. West wind around 16 mph, with gusts as high as 28 mph.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 44. Northwest wind around 7 mph becoming southeast in the afternoon.

    High: 44 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy fog. Otherwise, mostly cloudy, with a high near 44. South wind 6 to 9 mph.
Tonight
A chance of rain, with thunderstorms also possible after 11pm. Patchy dense fog. Otherwise, cloudy, with a low around 44. South wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain, mainly after 10am. Patchy fog before 1pm. Temperature falling to around 39 by 5pm. Southwest wind 11 to 15 mph becoming west in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Rain likely, possibly mixed with snow before 7pm, then a chance of snow between 7pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 30. West wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
Mostly sunny, with a high near 43. West wind 8 to 11 mph becoming southwest in the afternoon.
Friday Night
A chance of rain, mainly after 8pm. Mostly cloudy, with a low around 35. South wind 11 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 44. West wind around 16 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 30. Northwest wind 8 to 11 mph, with gusts as high as 21 mph.
Sunday
Mostly cloudy, with a high near 44. Northwest wind around 7 mph becoming southeast in the afternoon.
Sunday Night
Rain likely, mainly after 5am. Cloudy, with a low around 36. Southeast wind 10 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Monday
Rain. High near 52. Breezy, with a south wind 17 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 90%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 32. West wind 14 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 40. West wind 11 to 13 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Chatham MA
 41.68°N 69.96°W (Elev. 13 ft)
Last Update:
7:06 am EDT Mar 11, 2026
Forecast Valid:
10am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation