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Hazardous Weather Conditions

Current conditions at

Cobb County International Airport - McCollum Field (KRYY)

Lat: 34.01°NLon: 84.6°WElev: 997ft.

Partly Cloudy

32°C

89°F

Humidity 52%
Wind Speed Vrbl 9 km/h
Barometer 1020.4 mb (30.14 in)
Dewpoint 21°C (69°F)
Visibility 16 km
Heat Index34°C (94°F)
Last update 13 Jul 1:50 pm EDT
Extended Forecast for

Marietta, Cobb County-McCollum Field Airport GA

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms between 4pm and 5pm. Mostly sunny, with a high near 34. Heat index values as high as 37. Northwest wind around 10 km/h. Chance of precipitation is 20%.

    High: 34 °C

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 22. Northwest wind 5 to 15 km/h.

    Low: 22 °C

    Mostly Clear

  • Monday

    Monday: A slight chance of showers and thunderstorms between 4pm and 5pm. Sunny, with a high near 34. Heat index values as high as 38. Northwest wind 5 to 10 km/h. Chance of precipitation is 20%.

    High: 34 °C

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 23. Northwest wind 5 to 10 km/h.

    Low: 23 °C

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 35. Calm wind.

    High: 35 °C

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 22.

    Low: 22 °C

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 33. Chance of precipitation is 60%.

    High: 33 °C

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.

    Low: 23 °C

    T-storms
    Likely

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 33. Chance of precipitation is 60%.

    High: 33 °C

    Chance
    T-storms then
    T-storms
    Likely

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms between 4pm and 5pm. Mostly sunny, with a high near 34. Heat index values as high as 37. Northwest wind around 10 km/h. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 22. Northwest wind 5 to 15 km/h.
Monday
A slight chance of showers and thunderstorms between 4pm and 5pm. Sunny, with a high near 34. Heat index values as high as 38. Northwest wind 5 to 10 km/h. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 23. Northwest wind 5 to 10 km/h.
Tuesday
A 50 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 35. Calm wind.
Tuesday Night
A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 22.
Wednesday
A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 33. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Thursday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 33. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely. Mostly sunny, with a high near 33. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 23. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Mostly sunny, with a high near 33. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Marietta, Cobb County-McCollum Field Airport GA
 33.99°N 84.6°W (Elev. 984 m)
Last Update:
2:16 pm EDT Jul 13, 2025
Forecast Valid:
2pm EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation