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

75°F

24°C

Humidity 84%
Wind Speed Vrbl 3 mph
Barometer 30.00 in (1016.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 2 Aug 3:52 pm EDT
Extended Forecast for

Chatham MA

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms between 4am and 5am, then showers and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Patchy fog before 9pm, then patchy fog after midnight. Low around 70. South wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Heavy Rain
    and Patchy
    Fog

  • Monday

    Monday: Showers and thunderstorms before 4pm, then a chance of showers between 4pm and 5pm, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Patchy fog. High near 75. South wind around 18 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Heavy Rain
    and Patchy
    Fog

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 68. Southwest wind 7 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Heavy Rain
    and Patchy
    Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. West wind 7 to 9 mph becoming southwest in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69. Southwest wind around 6 mph.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Light southwest wind becoming south 5 to 9 mph in the morning.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 70. Southwest wind around 9 mph.

    Low: 70 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77. Southwest wind 9 to 15 mph.

    High: 77 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 71. Southwest wind around 14 mph.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers likely and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms between 4am and 5am, then showers and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Patchy fog before 9pm, then patchy fog after midnight. Low around 70. South wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms before 4pm, then a chance of showers between 4pm and 5pm, then showers and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Patchy fog. High near 75. South wind around 18 mph, with gusts as high as 37 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Some of the storms could produce heavy rainfall. Patchy fog before 1am. Otherwise, mostly cloudy, with a low around 68. Southwest wind 7 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 74. West wind 7 to 9 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 69. Southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 75. Light southwest wind becoming south 5 to 9 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 70. Southwest wind around 9 mph.
Thursday
Mostly sunny, with a high near 77. Southwest wind 9 to 15 mph.
Thursday Night
Partly cloudy, with a low around 71. Southwest wind around 14 mph.
Friday
Mostly sunny, with a high near 78. Southwest wind 10 to 15 mph.
Friday Night
Partly cloudy, with a low around 71. Southwest wind 11 to 14 mph.
Saturday
Mostly sunny, with a high near 78. Southwest wind 9 to 15 mph.
Saturday Night
Partly cloudy, with a low around 71. Southwest wind 10 to 14 mph.
Sunday
Mostly sunny, with a high near 77. Southwest wind 10 to 16 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chatham MA
 41.66°N 69.96°W (Elev. 0 ft)
Last Update:
3:23 pm EDT Aug 2, 2026
Forecast Valid:
4pm EDT Aug 2, 2026-6pm EDT Aug 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