National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Thomaston, Thomaston-Upson County Airport (KOPN)

Lat: 32.96°NLon: 84.26°WElev: 797ft.

Fair

70°F

21°C

Humidity 94%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 20 Aug 4:55 am EDT
Extended Forecast for

5 Miles SW Forsyth GA

  • Today

    Today: Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind.

    High: 97 °F

    Hot

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming southwest around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

    Low: 71 °F

    T-storms
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 92. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 92 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

Detailed Forecast

Today
Sunny and hot, with a high near 97. Heat index values as high as 104. Calm wind.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 73. Calm wind.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming southwest around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 92. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 69.
Monday
Sunny, with a high near 92.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 70.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Forsyth GA
 32.98°N 84.02°W (Elev. 699 ft)
Last Update:
2:26 am EDT Aug 20, 2026
Forecast Valid:
5am EDT Aug 20, 2026-6pm EDT Aug 26, 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