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

70°F

21°C

Humidity 84%
Wind Speed SW 10 G 20 mph
Barometer 30.04 in (1017.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 30 Jun 11:52 pm EDT
Extended Forecast for

Eastham MA

Heat Advisory July 1, 10:00am until July 4, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly cloudy, with a low around 66. Southwest wind 13 to 15 mph.

    Low: 66 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Isolated showers and thunderstorms before 9am, then a slight chance of showers between 9am and noon. Partly sunny, with a high near 84. Southwest wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 84 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms after 3am. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 69. Breezy, with a southwest wind 17 to 20 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 7am. Otherwise, sunny, with a high near 88. Southwest wind around 15 mph, with gusts as high as 28 mph.

    High: 88 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. Southwest wind 11 to 15 mph.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 93. West wind 7 to 10 mph.

    High: 93 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 69. West wind 6 to 9 mph.

    Low: 69 °F

    Mostly Clear

  • Independence Day

    Independence Day: Mostly sunny, with a high near 85. West wind 5 to 7 mph becoming southwest in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 69. Southwest wind around 5 mph. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 66. Southwest wind 13 to 15 mph.
Wednesday
Isolated showers and thunderstorms before 9am, then a slight chance of showers between 9am and noon. Partly sunny, with a high near 84. Southwest wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers and thunderstorms after 3am. Patchy fog after 5am. Otherwise, partly cloudy, with a low around 69. Breezy, with a southwest wind 17 to 20 mph. Chance of precipitation is 20%.
Thursday
Patchy fog before 7am. Otherwise, sunny, with a high near 88. Southwest wind around 15 mph, with gusts as high as 28 mph.
Thursday Night
Mostly clear, with a low around 72. Southwest wind 11 to 15 mph.
Friday
Sunny and hot, with a high near 93. West wind 7 to 10 mph.
Friday Night
Mostly clear, with a low around 69. West wind 6 to 9 mph.
Independence Day
Mostly sunny, with a high near 85. West wind 5 to 7 mph becoming southwest in the afternoon.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 69. Southwest wind around 5 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 81. North wind 5 to 7 mph becoming east in the afternoon.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 65. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 76. East wind 5 to 8 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 63. East wind around 5 mph. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 79. Northeast wind 6 to 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Eastham MA
 41.81°N 69.95°W (Elev. 3 ft)
Last Update:
10:27 pm EDT Jun 30, 2026
Forecast Valid:
12am EDT Jul 1, 2026-6pm EDT Jul 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation