Weather WorldFlat Lake, SC 7-Day Weather Forecast
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Flat Lake Weather Forecast
Flat Lake, SC Weather Forecast Date: 222 AM EDT Wed Sep 23 2026
Weather forecast for Flat Lake, SC
Tonight Lo: 70°F Lo: 21°C |
Tonight... Mostly cloudy. Near steady temperature in the lower 70s. North winds 5 to 10 mph. |
Wed Hi: 80°FHi: 27°C Lo: 65°F Lo: 18°C |
Wednesday... Mostly cloudy. A slight chance of showers in the afternoon. Highs around 80. Northeast winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 20%. |
| Thu Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Thursday... Mostly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the mid 70s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30%. |
Fri Hi: 75°FHi: 24°C Lo: 51°F Lo: 11°C |
Friday... Sunny. Highs in the mid 70s. |
| Sat Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Saturday... Sunny. Highs in the upper 70s. |
| Sun Hi: 85°FHi: 29°C Lo: 59°F Lo: 15°C |
Sunday... Mostly clear. Lows in the upper 50s. Highs in the mid 80s. |
| Mon Hi: 85°FHi: 29°C Lo: 59°F Lo: 15°C |
Monday... Mostly clear. Lows in the upper 50s. Highs in the mid 80s. |
| Tue Hi: 85°FHi: 29°C Lo: 59°F Lo: 15°C |
Tuesday... Mostly clear. Lows in the upper 50s. Highs in the mid 80s. |
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