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

Thomaston, Thomaston-Upson County Airport (KOPN)

Lat: 32.96°NLon: 84.26°WElev: 797ft.

Fair

48°F

9°C

Humidity 66%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 14 Mar 2:15 am EDT
Extended Forecast for

4 Miles SSE Barnesville GA

  • Overnight

    Overnight: Clear, with a low around 44. Calm wind.

    Low: 44 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 75. Calm wind becoming southeast around 5 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. Calm wind becoming southeast around 5 mph after midnight.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 76. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers, then showers and possibly a thunderstorm after 2am. Low around 50. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Slight Chance
    Showers then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm before 11am, then showers likely. High near 63. Chance of precipitation is 80%.

    High: 63 °F

    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 44. Calm wind.
Saturday
Sunny, with a high near 75. Calm wind becoming southeast around 5 mph.
Saturday Night
Mostly clear, with a low around 54. Calm wind becoming southeast around 5 mph after midnight.
Sunday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 76. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40%.
Sunday Night
A slight chance of showers, then showers and possibly a thunderstorm after 2am. Low around 50. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Monday
Showers and possibly a thunderstorm before 11am, then showers likely. High near 63. Chance of precipitation is 80%.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 48.
Tuesday Night
Partly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 75.
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Forecast Area
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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:
12:46 am EDT Mar 14, 2026
Forecast Valid:
2am EDT Mar 14, 2026-6pm EDT Mar 20, 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