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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

4 Miles SW Williamson GA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 73. Southwest wind around 5 mph. Chance of precipitation is 90%.

    High: 73 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    High: 84 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 71. Southwest wind around 5 mph, with gusts as high as 20 mph.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 84. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    High: 84 °F

    Chance
    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 69. Chance of precipitation is 90%.

    Low: 69 °F

    T-storms then
    Showers

  • Juneteenth

    Juneteenth: Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.

    High: 83 °F

    Showers
    Likely 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. Low around 66. Chance of precipitation is 80%.

    Low: 66 °F

    T-storms then
    Chance
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 73. Southwest wind around 5 mph. Chance of precipitation is 90%.
Tonight
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 66. Southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 71. Southwest wind around 5 mph, with gusts as high as 20 mph.
Thursday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 84. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Thursday Night
Showers and possibly a thunderstorm. Low around 69. Chance of precipitation is 90%.
Juneteenth
Showers and possibly a thunderstorm. High near 83. 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. Low around 66. Chance of precipitation is 80%.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86.
Saturday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 65.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Williamson GA
 33.14°N 84.41°W (Elev. 810 ft)
Last Update:
2:26 pm EDT Jun 16, 2026
Forecast Valid:
3pm EDT Jun 16, 2026-6pm EDT Jun 22, 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