National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Mostly Cloudy

77°F

25°C

Humidity 94%
Wind Speed SW 7 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 8 Jul 10:52 am EDT
Extended Forecast for

Chatham MA

Flood Watch July 8, 02:00pm until July 9, 02:00am
Heat Advisory until July 8, 08:00pm
Click here for hazard details and duration
Flood Watch
Heat Advisory
  •  
    Heat Advisory until July 8, 08:00pm

    NOW until 8:00pm Tue

    Heat Advisory

  • Today

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am. Areas of fog. Otherwise, mostly cloudy, with a low around 68. Southwest wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    T-storms
    Likely and
    Areas Fog

  • Wednesday

    Wednesday: Showers and thunderstorms likely before 11am, then a chance of showers. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 77. West wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely and
    Patchy Fog
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 66. East wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers. Mostly cloudy, with a high near 75. East wind 6 to 9 mph. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Cloudy, with a low around 67. South wind around 6 mph. Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers before 11am. Mostly cloudy, with a high near 76. South wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 66. Southeast wind around 6 mph becoming northwest after midnight.

    Low: 66 °F

    Mostly Cloudy

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 81. Southwest wind 9 to 11 mph. Chance of precipitation is 30%.
Tonight
Showers and thunderstorms likely, mainly before 1am. Areas of fog. Otherwise, mostly cloudy, with a low around 68. Southwest wind 6 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and thunderstorms likely before 11am, then a chance of showers. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 77. West wind around 7 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A slight chance of showers, then a chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 66. East wind 3 to 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers. Mostly cloudy, with a high near 75. East wind 6 to 9 mph. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Cloudy, with a low around 67. South wind around 6 mph. Chance of precipitation is 50%.
Friday
A chance of showers before 11am. Mostly cloudy, with a high near 76. South wind 6 to 8 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 66. Southeast wind around 6 mph becoming northwest after midnight.
Saturday
Mostly cloudy, with a high near 76. Northeast wind 6 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 66. South wind around 6 mph.
Sunday
Partly sunny, with a high near 77. Southeast wind 6 to 9 mph.
Sunday Night
Mostly cloudy, with a low around 67. South wind around 7 mph.
Monday
Mostly cloudy, with a high near 78. Southeast wind 6 to 10 mph.
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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:
10:05 am EDT Jul 8, 2025
Forecast Valid:
11am EDT Jul 8, 2025-6pm EDT Jul 14, 2025
 
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