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.

Overcast

50°F

10°C

Humidity 94%
Wind Speed N 6 mph
Barometer 30.22 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 23 Jan 12:15 pm EST
Extended Forecast for

4 Miles ENE Barnesville GA

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 3pm. Cloudy, with a high near 55. Calm wind becoming north around 5 mph.

    High: 55 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Cloudy, with a low around 40. North wind around 5 mph.

    Low: 40 °F

    Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers after 1pm. Cloudy, with a high near 45. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 45 °F

    Cloudy then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 33. East wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%.

    Low: 33 °F

    Showers

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 4pm. High near 51. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 100%.

    High: 51 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 7pm, then showers likely between 7pm and 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.

    Low: 22 °F

    Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 13.

    Low: 13 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 3pm. Cloudy, with a high near 55. Calm wind becoming north around 5 mph.
Tonight
Cloudy, with a low around 40. North wind around 5 mph.
Saturday
A 40 percent chance of showers after 1pm. Cloudy, with a high near 45. East wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Showers. Low around 33. East wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 90%.
Sunday
Showers, with thunderstorms also possible after 4pm. High near 51. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 100%.
Sunday Night
Showers likely and possibly a thunderstorm before 7pm, then showers likely between 7pm and 1am. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 34.
Monday Night
Clear, with a low around 13.
Tuesday
Sunny, with a high near 40.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Barnesville GA
 33.08°N 84.09°W (Elev. 801 ft)
Last Update:
11:56 am EST Jan 23, 2026
Forecast Valid:
12pm EST Jan 23, 2026-6pm EST Jan 29, 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