Costner Lake, MS 7-Day Weather Forecast
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Costner Lake Weather Forecast


Costner Lake, MS Weather Forecast Date: 605 AM CDT Sat Oct 03 2026
Weather forecast for Costner Lake, MS
| Today Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Today... Mostly cloudy with a slight chance of showers. A slight chance of thunderstorms this afternoon. Highs in the upper 80s. Temperature falling into the lower 80s this afternoon. Northeast winds around 5 mph. Chance of rain 20%. |
| Sun Hi: 81°FHi: 27°C Lo: 60°F Lo: 16°C |
Sunday... Mostly cloudy with a slight chance of thunderstorms. Showers likely, mainly in the morning. Highs in the lower 80s. Northeast winds 5 to 10 mph. Chance of rain 70%. |
| Mon Hi: 85°FHi: 29°C Lo: 55°F Lo: 13°C |
Monday... Sunny. Highs in the mid 80s. Northeast winds 5 to 10 mph with gusts up to 20 mph. |
| Tue Hi: 85°FHi: 29°C Lo: 55°F Lo: 13°C |
Tuesday... Sunny. Highs in the mid 80s. |
| Wed Hi: 85°FHi: 29°C Lo: 51°F Lo: 11°C |
Wednesday... Sunny. Highs in the mid 80s. |
| Thu Hi: 89°FHi: 32°C Lo: 55°F Lo: 13°C |
Thursday... Sunny. Highs in the upper 80s. |
| Fri Hi: 89°FHi: 32°C |
Friday... Sunny. Highs in the upper 80s. |
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