National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Cobb County International Airport - McCollum Field (KRYY)

Lat: 34.01°NLon: 84.6°WElev: 997ft.

Fog/Mist

74°F

23°C

Humidity 97%
Wind Speed W 6 mph
Barometer 30.04 in (1016.1 mb)
Dewpoint 73°F (23°C)
Visibility 4.00 mi
Last update 26 Jul 8:50 am EDT
Extended Forecast for

4 Miles W Marietta GA

  • Today

    Today: A slight chance of showers and thunderstorms between 10am and 1pm. Mostly sunny, with a high near 89. Heat index values as high as 98. Northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 72. Northwest wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 92. Heat index values as high as 100. Northwest wind around 5 mph.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. Northwest wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94. West wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 94 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday 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

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers before 2pm. Sunny, with a high near 89.

    High: 89 °F

    Slight Chance
    Showers

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 10am and 1pm. Mostly sunny, with a high near 89. Heat index values as high as 98. Northwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 72. Northwest wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 92. Heat index values as high as 100. Northwest wind around 5 mph.
Monday Night
Mostly clear, with a low around 73. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 94. West wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
A 20 percent chance of showers before 2pm. Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 69.
Friday
Mostly sunny, with a high near 89.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 71.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Marietta GA
 33.95°N 84.6°W (Elev. 1099 ft)
Last Update:
2:26 am EDT Jul 26, 2026
Forecast Valid:
9am EDT Jul 26, 2026-6pm EDT Aug 1, 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