Flat Lake, SC 7-Day Weather Forecast
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Flat Lake Weather Forecast


Flat Lake, SC Weather Forecast Date: 744 PM EDT Fri Oct 16 2026
Weather forecast for Flat Lake, SC
| Tonight Lo: 59°F Lo: 15°C |
Tonight... Partly cloudy. Lows in the upper 50s. Southwest winds 5 to 10 mph. |
| Sat Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Saturday... Showers. Highs in the mid 60s. Temperature falling into the upper 50s in the afternoon. North winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 90%. |
| Sun Hi: 61°FHi: 16°C Lo: 49°F Lo: 9°C |
Sunday... Mostly sunny. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the lower 60s. North winds around 20 mph with gusts up to 30 mph. Chance of rain 40%. |
| Mon Hi: 65°FHi: 18°C Lo: 51°F Lo: 11°C |
Monday... Mostly sunny. Highs in the mid 60s. |
| Tue Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Tuesday... Partly cloudy. Lows in the lower 50s. Highs in the lower 70s. |
| Wed Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Wednesday... Partly cloudy. Lows in the lower 50s. Highs in the lower 70s. |
| Thu Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Thursday... Partly cloudy. Lows in the lower 50s. Highs in the lower 70s. |
| Fri Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Friday... Partly cloudy. Lows in the lower 50s. Highs in the lower 70s. |
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