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Sinai, SD 7-Day Weather Forecast
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Sinai Weather Forecast
Sinai, SD Weather Forecast Date: 504 AM CDT Sat Oct 10 2026
Weather forecast for Sinai, SD
Today Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Today... Sunny. Patchy blowing dust. Breezy with highs in the mid 80s. South winds 15 to 25 mph with gusts up to 45 mph. |
Sun Hi: 81°FHi: 27°C Lo: 50°F Lo: 10°C |
Sunday... Mostly sunny. Highs in the lower 80s. South winds 10 to 15 mph with gusts up to 30 mph. |
Columbus Day Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Columbus Day... Mostly cloudy in the morning, then becoming partly sunny. A 20% chance of showers. Much cooler with highs in the mid 60s. North winds 10 to 15 mph. |
Tue Hi: 60°FHi: 16°C Lo: 45°F Lo: 7°C |
Tuesday... Partly sunny. Highs around 60. |
| Wed Hi: 61°FHi: 16°C Lo: 45°F Lo: 7°C |
Wednesday... Partly sunny. A chance of showers in the afternoon. Highs in the lower 60s. Chance of rain 50%. |
Thu Hi: 59°FHi: 15°C Lo: 41°F Lo: 5°C |
Thursday... Showers likely, mainly in the morning. Highs in the upper 50s. Chance of rain 60%. |
| Fri Hi: 55°FHi: 13°C |
Friday... Partly sunny. Highs in the mid 50s. |
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