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.

Partly Cloudy

26°C

78°F

Humidity 79%
Wind Speed S 7 km/h
Barometer 1017.8 mb (30.06 in)
Dewpoint 22°C (71°F)
Visibility 16 km
Heat Index27°C (80°F)
Last update 30 Jun 10:50 pm EDT
Extended Forecast for

3 Miles WNW Marietta GA

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °C

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a high near 30. Southwest wind 5 to 10 km/h. Chance of precipitation is 70%.

    High: 30 °C

    Mostly Cloudy
    then T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers and thunderstorms after 2am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 21. Southwest wind 5 to 10 km/h. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.

    Low: 21 °C

    T-storms
    Likely then
    Showers
    Likely and
    Patchy Fog

  • Wednesday

    Wednesday: A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 31. Northwest wind 5 to 10 km/h. Chance of precipitation is 30%.

    High: 31 °C

    Slight Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 20. Northwest wind 5 to 10 km/h.

    Low: 20 °C

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 33.

    High: 33 °C

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21.

    Low: 21 °C

    Mostly Clear

  • Independence Day

    Independence Day: Sunny, with a high near 33.

    High: 33 °C

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 22.

    Low: 22 °C

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 21. Calm wind.
Tuesday
Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a high near 30. Southwest wind 5 to 10 km/h. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers and thunderstorms after 2am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 21. Southwest wind 5 to 10 km/h. Chance of precipitation is 70%. New rainfall amounts between 7.5 mm and 1 cm possible.
Wednesday
A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly sunny, with a high near 31. Northwest wind 5 to 10 km/h. Chance of precipitation is 30%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 20. Northwest wind 5 to 10 km/h.
Thursday
Sunny, with a high near 33.
Thursday Night
Mostly clear, with a low around 21.
Independence Day
Sunny, with a high near 33.
Friday Night
Mostly clear, with a low around 22.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 32.
Saturday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 22.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 32.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 21.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Marietta GA
 33.97°N 84.6°W (Elev. 1001 m)
Last Update:
7:34 pm EDT Jun 30, 2025
Forecast Valid:
11pm EDT Jun 30, 2025-6pm EDT Jul 7, 2025
 
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