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

Hazardous Weather Conditions

Current conditions at

Thomaston, Thomaston-Upson County Airport (KOPN)

Lat: 32.96°NLon: 84.26°WElev: 797ft.

Fair

88°F

31°C

Humidity 55%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 70°F (21°C)
Visibility NA
Heat Index93°F (34°C)
Last update 10 Sep 5:15 pm EDT
Extended Forecast for

4 Miles SSE Barnesville GA

  • Tonight

    Tonight: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 11am. Mostly sunny, with a high near 90. Heat index values as high as 99. Calm wind becoming south around 5 mph.

    High: 90 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 71. South wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 89. Heat index values as high as 98. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.

    High: 89 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 71. Calm wind.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 11am. Mostly sunny, with a high near 90. Heat index values as high as 99. Calm wind becoming south around 5 mph.
Friday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 71. South wind around 5 mph becoming calm. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 89. Heat index values as high as 98. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.
Sunday
A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Sunday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Monday
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 70.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 69.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 88.
Wednesday Night
A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 67.
Thursday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Barnesville GA
 33.01°N 84.12°W (Elev. 810 ft)
Last Update:
4:26 pm EDT Sep 10, 2026
Forecast Valid:
5pm EDT Sep 10, 2026-6pm EDT Sep 17, 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