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

46°F

8°C

Humidity 71%
Wind Speed N 5 mph
Barometer 30.11 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 14 Mar 3:15 am EDT
Extended Forecast for

Thomaston-Upson County Airport GA

  • Overnight

    Overnight: Clear, with a low around 46. Calm wind.

    Low: 46 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 77. Calm wind becoming southeast around 5 mph.

    High: 77 °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 20 mph. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, with thunderstorms also possible after 5am. Low around 48. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 48 °F

    Slight Chance
    Showers then
    Showers

  • Monday

    Monday: Rain showers before 5pm, then a slight chance of rain and snow showers. Some thunder is also possible. High near 58. Chance of precipitation is 80%.

    High: 58 °F

    Showers then
    Rain/Snow
    Likely

  • Monday Night

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

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47.

    High: 47 °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 46. Calm wind.
Saturday
Sunny, with a high near 77. 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 20 mph. Chance of precipitation is 40%.
Sunday Night
Showers, with thunderstorms also possible after 5am. Low around 48. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Monday
Rain showers before 5pm, then a slight chance of rain and snow showers. Some thunder is also possible. High near 58. Chance of precipitation is 80%.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 47.
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 37.
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:
Thomaston-Upson County Airport GA
 32.95°N 84.26°W (Elev. 801 ft)
Last Update:
2:27 am EDT Mar 14, 2026
Forecast Valid:
3am EDT Mar 14, 2026-6pm EDT Mar 20, 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