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.

Overcast

73°F

23°C

Humidity 96%
Wind Speed Vrbl 6 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 72°F (22°C)
Visibility 7.00 mi
Last update 7 Jul 10:52 pm EDT
Extended Forecast for

Harwich Center MA

Heat Advisory July 8, 11:00am until July 8, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 70. Southwest wind around 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 11am, then a chance of showers after 2pm. Cloudy through mid morning, then gradual clearing, with a high near 85. Southwest wind 6 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southwest wind 5 to 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Northeast wind 6 to 8 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 65. Light east wind. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 76. East wind 5 to 8 mph. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers. Cloudy, with a low around 63. East wind 3 to 5 mph. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers before 1pm. Mostly cloudy, with a high near 75. Northeast wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 75 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 64. Northeast wind around 6 mph.

    Low: 64 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers, with thunderstorms also possible after 2am. Mostly cloudy, with a low around 70. Southwest wind around 9 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms before 11am, then a chance of showers after 2pm. Cloudy through mid morning, then gradual clearing, with a high near 85. Southwest wind 6 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southwest wind 5 to 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Northeast wind 6 to 8 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 65. Light east wind. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 76. East wind 5 to 8 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Cloudy, with a low around 63. East wind 3 to 5 mph. Chance of precipitation is 40%.
Friday
A chance of showers before 1pm. Mostly cloudy, with a high near 75. Northeast wind 6 to 8 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 64. Northeast wind around 6 mph.
Saturday
Partly sunny, with a high near 76. Northeast wind 6 to 9 mph.
Saturday Night
Partly cloudy, with a low around 64. East wind 3 to 6 mph.
Sunday
Mostly sunny, with a high near 78. East wind 6 to 9 mph becoming southeast in the afternoon.
Sunday Night
Mostly cloudy, with a low around 65. South wind around 6 mph.
Monday
Partly sunny, with a high near 79. South wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Harwich Center MA
 41.7°N 70.07°W (Elev. 49 ft)
Last Update:
9:59 pm EDT Jul 7, 2025
Forecast Valid:
11pm EDT Jul 7, 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