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

Cobb County International Airport - McCollum Field (KRYY)

Lat: 34.01°NLon: 84.6°WElev: 997ft.

Fair

84°F

29°C

Humidity 62%
Wind Speed Vrbl 3 mph
Barometer 30.01 in (1013.9 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index88°F (31°C)
Last update 19 Aug 8:50 pm EDT
Extended Forecast for

4 Miles NNE Hiram GA

  • Tonight

    Tonight: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 95. Heat index values as high as 103. Calm wind becoming north around 5 mph in the afternoon.

    High: 95 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms between 10pm and midnight. Partly cloudy, with a low around 72. West wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 72 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 92 °F

    Mostly Sunny
    then Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 69. West wind around 5 mph becoming calm. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 71. Calm wind.
Thursday
Sunny, with a high near 95. Heat index values as high as 103. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms between 10pm and midnight. Partly cloudy, with a low around 72. West wind around 5 mph becoming calm. Chance of precipitation is 20%.
Friday
Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 102. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 69. West wind around 5 mph becoming calm. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 67.
Monday
Mostly sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 68.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 70.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Hiram GA
 33.91°N 84.74°W (Elev. 981 ft)
Last Update:
2:26 pm EDT Aug 19, 2026
Forecast Valid:
9pm EDT Aug 19, 2026-6pm EDT Aug 26, 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