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.

68°F

20°C

Humidity 100%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 68°F (20°C)
Visibility NA
Last update 21 Sep 4:35 am EDT
Extended Forecast for

Forsyth GA

  • Today

    Today: Sunny, with a high near 92. Heat index values as high as 99. Calm wind becoming northeast around 5 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 91. Heat index values as high as 98. Calm wind. Chance of precipitation is 20%.

    High: 91 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 86. Northeast wind around 5 mph. Chance of precipitation is 40%.

    High: 86 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 92. Heat index values as high as 99. Calm wind becoming northeast around 5 mph.
Tonight
Partly cloudy, with a low around 69. Calm wind.
Tuesday
A slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny, with a high near 91. Heat index values as high as 98. Calm wind. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 86. Northeast wind around 5 mph. Chance of precipitation is 40%.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 59.
Friday
Mostly sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 58.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Forsyth GA
 33.04°N 83.93°W (Elev. 699 ft)
Last Update:
2:26 am EDT Sep 21, 2026
Forecast Valid:
4am EDT Sep 21, 2026-6pm EDT Sep 27, 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