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Hazardous Weather Conditions

Current conditions at

Chatham, Chatham Municipal Airport (KCQX)

Lat: 41.69°NLon: 69.99°WElev: 66ft.

Thunderstorm in Vicinity

71°F

22°C

Humidity 90%
Wind Speed SW 7 mph
Barometer 29.96 in (1014.5 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 2 Jul 2:52 am EDT
Extended Forecast for

Eastham MA

Heat Advisory July 2, 03:40am until July 4, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 2, 03:40am until July 4, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Overnight

    Low: 69 °F

    Scattered
    T-storms

  • Thursday

    Thursday: Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Southwest wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 86 °F

    Partly Sunny
    then Isolated
    T-storms

  • Thursday Night

    Thursday Night: Isolated showers and thunderstorms. Patchy fog before 2am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 70. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Isolated
    T-storms and
    Patchy Fog

  • Friday

    Friday: Isolated showers and thunderstorms. Mostly sunny and hot, with a high near 94. Heat index values as high as 99. West wind 6 to 8 mph. Chance of precipitation is 20%.

    High: 94 °F

    Isolated
    T-storms

  • Friday Night

    Friday Night: Scattered showers and thunderstorms, mainly between 1am and 4am. Mostly cloudy, with a low around 72. West wind 5 to 9 mph. Chance of precipitation is 30%.

    Low: 72 °F

    Scattered
    T-storms

  • Independence Day

    Independence Day: Scattered showers and thunderstorms, mainly after 10am. Partly sunny and hot, with a high near 90. West wind around 9 mph. Chance of precipitation is 50%.

    High: 90 °F

    Scattered
    T-storms

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms before 9pm. Partly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 30%.

    Low: 67 °F

    Scattered
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 75. North wind around 6 mph.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Overnight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 69. Southwest wind around 11 mph. Chance of precipitation is 30%.
Thursday
Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Southwest wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday Night
Isolated showers and thunderstorms. Patchy fog before 2am, then patchy fog after 5am. Otherwise, partly cloudy, with a low around 70. Southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday
Isolated showers and thunderstorms. Mostly sunny and hot, with a high near 94. Heat index values as high as 99. West wind 6 to 8 mph. Chance of precipitation is 20%.
Friday Night
Scattered showers and thunderstorms, mainly between 1am and 4am. Mostly cloudy, with a low around 72. West wind 5 to 9 mph. Chance of precipitation is 30%.
Independence Day
Scattered showers and thunderstorms, mainly after 10am. Partly sunny and hot, with a high near 90. West wind around 9 mph. Chance of precipitation is 50%.
Saturday Night
Scattered showers and thunderstorms before 9pm. Partly cloudy, with a low around 67. Light and variable wind. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 75. North wind around 6 mph.
Sunday Night
A chance of showers after 3am. Mostly cloudy, with a low around 63. 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 77. East wind 6 to 9 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 60. East wind around 6 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly sunny, with a high near 77. East wind 8 to 10 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 62. East wind 5 to 7 mph.
Wednesday
Mostly sunny, with a high near 76. Northeast wind 6 to 9 mph becoming southeast in the afternoon.
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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:
2:46 am EDT Jul 2, 2026
Forecast Valid:
3am EDT Jul 2, 2026-6pm EDT Jul 8, 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