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

Newnan, Newnan Coweta County Airport (KCCO)

Lat: 33.31°NLon: 84.77°WElev: 971ft.

Fair

77°F

25°C

Humidity 79%
Wind Speed S 6 mph
Barometer 29.98 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 22 Jul 1:15 am EDT
Extended Forecast for

Grantville GA

  • Overnight

    Overnight: Partly cloudy, with a low around 73. South wind around 5 mph becoming calm.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 90. Heat index values as high as 99. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 90 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

    Low: 73 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Heat index values as high as 98. Calm wind becoming southwest around 5 mph in the morning. Winds could gust as high as 15 mph.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 86. Chance of precipitation is 80%.

    High: 86 °F

    Chance
    T-storms then
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 72. Chance of precipitation is 80%.

    Low: 72 °F

    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: Showers likely before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 70%.

    High: 81 °F

    Showers
    Likely then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

    Low: 72 °F

    T-storms
    Likely then
    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. South wind around 5 mph becoming calm.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 90. Heat index values as high as 99. South wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88. Heat index values as high as 98. Calm wind becoming southwest around 5 mph in the morning. Winds could gust as high as 15 mph.
Thursday Night
A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 86. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 72. Chance of precipitation is 80%.
Saturday
Showers likely before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 70%.
Saturday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Sunday
A chance of showers, with thunderstorms also possible after 8am. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
Sunday Night
A chance of thunderstorms. Mostly clear, with a low around 73. Chance of precipitation is 30%.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Monday Night
A slight chance of thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 10%.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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ABOUT THIS FORECAST

 
Point Forecast:
Grantville GA
 33.24°N 84.83°W (Elev. 879 ft)
Last Update:
12:17 am EDT Jul 22, 2026
Forecast Valid:
1am EDT Jul 22, 2026-6pm EDT Jul 28, 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