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

32°F

0°C

Humidity 64%
Wind Speed Calm
Barometer 30.39 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 29 Nov 2:15 am EST
Extended Forecast for

3 Miles SSW Williamson GA

  • Overnight

    Overnight: Mostly cloudy, with a low around 28. Calm wind becoming northeast around 5 mph.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 53. East wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. East wind around 5 mph, with gusts as high as 15 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 59. East wind around 5 mph becoming calm.

    High: 59 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Cloudy, with a low around 37. North wind around 5 mph.

    Low: 37 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Cloudy, with a high near 54.

    High: 54 °F

    Cloudy then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: Showers, mainly after 1am. The rain could be heavy at times. Low around 40. Chance of precipitation is 90%.

    Low: 40 °F

    Chance
    Showers then
    Heavy Rain

  • Tuesday

    Tuesday: Showers, mainly before 1pm. High near 55. Chance of precipitation is 90%.

    High: 55 °F

    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 28. Calm wind becoming northeast around 5 mph.
Saturday
Mostly sunny, with a high near 53. East wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 37. East wind around 5 mph, with gusts as high as 15 mph.
Sunday
A 40 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 59. East wind around 5 mph becoming calm.
Sunday Night
A 20 percent chance of showers before 1am. Cloudy, with a low around 37. North wind around 5 mph.
Monday
A 20 percent chance of showers after 1pm. Cloudy, with a high near 54.
Monday Night
Showers, mainly after 1am. The rain could be heavy at times. Low around 40. Chance of precipitation is 90%.
Tuesday
Showers, mainly before 1pm. High near 55. Chance of precipitation is 90%.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Sunny, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Partly sunny, with a high near 54.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 36.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Williamson GA
 33.14°N 84.38°W (Elev. 899 ft)
Last Update:
1:16 am EST Nov 29, 2025
Forecast Valid:
2am EST Nov 29, 2025-6pm EST Dec 5, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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