| NWS Forecast for: Gwinnett County Issued by: National Weather Service Peachtree City, GA Last Update: 1226 PM EDT Sat Aug 15 2026 | |
This Afternoon: Mostly sunny. A slight chance of showers and thunderstorms. Highs in the mid 90s. Northwest winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 106. Tonight: Partly cloudy in the evening, then clearing. Lows in the mid 70s. Light west winds in the evening, becoming light and variable. Sunday: Sunny. Highs in the mid 90s. Light northwest winds. Heat index values up to 105. Sunday Night: Mostly clear. Lows in the mid 70s. Light west winds. Monday: Sunny. Highs in the upper 90s. West winds 5 to 10 mph. Heat index values up to 108. Monday Night: Mostly clear. Lows in the mid 70s. Tuesday: Sunny. Highs in the mid 90s. Heat index values up to 105. Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Wednesday: Sunny. Highs in the mid 90s. Heat index values up to 105. Wednesday Night: Partly cloudy. Lows in the mid 70s. Thursday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40 percent. Heat index values up to 105. Thursday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of rain 20 percent. Friday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. | |
| Zone Forecast: Gwinnett County | |
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