Chatham, Massachusetts Weather
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Weather Forecast for Chatham, Massachusetts : Barnstable County
Issued: 9:08 pm EDT Jun 29, 2025 Latitude: 41.6820563 Longitude: -69.9597376 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Thursday Independence Day Saturday Sunday
Patchy Fog on Overnight Patchy Fog on Monday 20% chance of thunderstorms on Tuesday 30% chance of on Wednesday Sunny on Thursday Sunny on Independence Day Sunny on Saturday Mostly Sunny on Sunday
Low: 65°F High: 75°F High: 77°F High: 79°F High: 80°F High: 77°F High: 78°F High: 78°F
Low: 66°F Low: 69°F Low: 68°F Low: 67°F Low: 67°F Low: 68°F  
Patchy Fog Patchy Fog Thunderstorms Partly Sunny Sunny Sunny Sunny Mostly Sunny
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Current Conditions at
CHATHAM - (KCQX)
63°
Partly Cloudy
as of 12:01 AM EDST
Rel. Humidity: 100%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Scattered at 100ft
Current Conditions at
HYANNIS - (KHYA)
64°
Clear
as of 11:56 PM EDST
Rel. Humidity: 93%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
PROVINCETOWN - (KPVC)
64°
Clear
as of 11:56 PM EDST
Rel. Humidity: 100%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 30.01 in.
Flight Rule: VFR
Wind Data
5 MPH
220° Southwest
Current Conditions at
COAST GUARD AIR STA - (KFMH)
64°
Clear
as of 11:45 PM EDST
Rel. Humidity: 93%
Dew Point: 63°F
Visibility: 10 Miles
Pressure: 30.02 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Patchy Fog on Overnight Overnight... Patchy fog. Otherwise, mostly cloudy, with a low around 65. Light southwest wind.
Patchy Fog on Monday Monday... Patchy fog before 1pm. Otherwise, partly sunny, with a high near 75. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Patchy Fog on Monday Night Monday Night... Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 66. South wind 6 to 8 mph.
20% chance of thunderstorms Tuesday Tuesday... A slight chance of showers between 3pm and 5pm, then a slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 77. South wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
40% chance of thunderstorms Tuesday Night Tuesday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southwest wind 11 to 15 mph. Chance of precipitation is 40%.
30% chance of Wednesday Wednesday... A chance of showers, mainly before 9am. Partly sunny, with a high near 79. Southwest wind 9 to 11 mph. Chance of precipitation is 30%.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 68. West wind 7 to 10 mph.
Sunny on Thursday Thursday... Sunny, with a high near 80. Southwest wind 6 to 10 mph.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 67. West wind 7 to 9 mph.
Sunny on Independence Day Independence Day... Sunny, with a high near 77. West wind around 8 mph.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 67. Southwest wind around 6 mph becoming west after midnight.
Sunny on Saturday Saturday... Sunny, with a high near 78. Northwest wind 6 to 8 mph becoming south in the afternoon.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 68. Southwest wind around 8 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 78. Southwest wind 9 to 13 mph.
Current Radar Image


Sun Almanac for Chatham, Massachusetts
Sunrise: 05:09 AM
Sunset: 8:18 PM
Civil Sunrise:04:35 AM
Civil Sunset: 8:52 PM
Nautical Sunrise: 03:51 AM
Nautical Sunset: 9:36 PM
Astro Sunrise: 02:59 AM
Astro Sunset: 10:28 PM
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