| NWS Forecast for: Gwinnett County Issued by: National Weather Service Peachtree City, GA Last Update: 500 AM EDT Sat Sep 5 2026 |  |
Today: Sunny. Highs in the upper 90s. Light northwest winds. Heat index values up to 105. Tonight: Mostly clear. Patchy fog after midnight. Lows in the mid 70s. Light west winds. Sunday: Sunny. Patchy fog in the morning. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Light north winds. Chance of rain 20 percent. Heat index values up to 103. Sunday Night: Mostly clear with a slight chance of showers in the evening, then partly cloudy after midnight. Lows in the lower 70s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent. Labor Day: Partly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 80s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. Monday Night: Partly cloudy. Lows in the upper 60s. Tuesday: Sunny. Highs in the upper 80s. Tuesday Night: Mostly clear. Lows in the upper 60s. Wednesday: Sunny. Highs in the lower 90s. Wednesday Night: Mostly clear. Lows in the upper 60s. Thursday: Sunny. Highs in the lower 90s. Thursday Night: Mostly clear. Lows in the lower 70s. Friday: Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. | |
| Zone Forecast: Gwinnett County | |
Visit your local NWS office at: https://www.weather.gov/ffc |