Current conditions at

Thomaston, Thomaston-Upson County Airport (KOPN)

Lat: 32.96° N Lon: 84.26° W Elev: 797 ft.

Overcast

70°F

21°C

Humidity 94%
Wind Speed S 5 mph
Barometer 30.16 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 20 May 3:55 am EDT
Detailed forecast for

Lamar County

Rest Of Tonight
Partly cloudy. Near steady temperature in the upper 60s. Light and variable winds.
Wednesday
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs around 90. Light south winds. Chance of rain 30 percent.
Wednesday Night
Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. Light and variable winds. Chance of rain 20 percent.
Thursday
Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Light south winds. Chance of rain 50 percent.
Thursday Night
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the upper 60s. Light and variable winds. Chance of rain 40 percent.
Friday
Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent.
Friday Night
Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the upper 60s. Chance of rain 70 percent.
Saturday
Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent.
Saturday Night
Mostly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the upper 60s. Chance of rain 50 percent.
Sunday
Partly sunny. A slight chance of showers and thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 70 percent.
Sunday Night
Mostly cloudy. Showers likely with a chance of thunderstorms in the evening. Lows in the upper 60s. Chance of rain 60 percent.
Memorial Day
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 70 percent.
Monday Night
Mostly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the upper 60s. Chance of rain 50 percent.
Tuesday
Partly sunny. A slight chance of showers and thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 70 percent.



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227 AM EDT Wed May 20 2026
 
 

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