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

39°F

4°C

Humidity 75%
Wind Speed Calm
Barometer 30.17 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 13 Mar 5:35 am EDT
Extended Forecast for

Thomaston-Upson County Airport GA

  • Today

    Today: Sunny, with a high near 67. East wind around 5 mph becoming southwest in the afternoon.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 45. Calm wind.

    Low: 45 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. Calm wind becoming southeast around 5 mph after midnight.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 77. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then showers and possibly a thunderstorm after 2am. Low around 54. Chance of precipitation is 80%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm before 2pm, then a chance of showers. High near 63. Chance of precipitation is 80%.

    High: 63 °F

    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 29.

    Low: 29 °F

    Chance
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 67. East wind around 5 mph becoming southwest in the afternoon.
Tonight
Clear, with a low around 45. Calm wind.
Saturday
Sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 55. 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 77. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Sunday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then showers and possibly a thunderstorm after 2am. Low around 54. Chance of precipitation is 80%.
Monday
Showers and possibly a thunderstorm before 2pm, then a chance of showers. High near 63. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Partly cloudy, with a low around 30.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 66.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thomaston-Upson County Airport GA
 32.95°N 84.26°W (Elev. 801 ft)
Last Update:
5:36 am EDT Mar 13, 2026
Forecast Valid:
5am EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation