Current conditions at

Cobb County International Airport - McCollum Field (KRYY)

Lat: 34.01°NLon: 84.6°WElev: 997ft.

Fair

82°F

28°C

Humidity 79%
Wind Speed Calm
Barometer 30.11 in (1018.2 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 1 Jul 1:50 am EDT
Extended Forecast for

3 Miles SSE Marietta, Cobb County-McCollum Field Airport GA

Heat Advisory July 1, 12:00pm until July 1, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • Overnight

    Overnight: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 3pm.  Sunny, with a high near 94. Heat index values as high as 102. Calm wind becoming east around 5 mph in the afternoon.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm.  Partly cloudy, with a low around 76. Calm wind.  Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 96 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75. Northeast wind around 5 mph becoming calm.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 96.

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Independence Day

    Independence Day: A 20 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 95.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 75.

    Low: 75 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 77. Calm wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 94. Heat index values as high as 102. Calm wind becoming east around 5 mph in the afternoon.
Wednesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and 10pm. Partly cloudy, with a low around 76. Calm wind. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 96. Heat index values as high as 103. Calm wind becoming northeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 75. Northeast wind around 5 mph becoming calm.
Friday
Sunny, with a high near 96.
Friday Night
Mostly clear, with a low around 75.
Independence Day
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 95.
Saturday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 92. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 74. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 90.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Marietta, Cobb County-McCollum Field Airport GA
 33.97°N 84.57°W (Elev. 1096 ft)
2:26 am EDT Jul 1, 2026
2am EDT Jul 1, 2026-6pm EDT Jul 7, 2026
 
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Additional Resources

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