Weather WorldDay County, SD 7-Day Weather Forecast
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Day County Weather Forecast
Day County, SD Weather Forecast Date: 821 AM CDT Tue Oct 20 2026
Weather forecast for Day County, SD
Today Hi: 69°FHi: 21°C Lo: 45°F Lo: 7°C |
Today... Sunny. Highs in the upper 60s. South winds 10 to 15 mph with gusts up to 30 mph. |
| Wed Hi: 70°FHi: 21°C Lo: 49°F Lo: 9°C |
Wednesday... Mostly sunny. Highs around 70. East winds around 5 mph. |
| Thu Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Thursday... Mostly sunny. Highs in the lower 70s. South winds 10 to 15 mph with gusts up to 25 mph. |
Fri Hi: 70°FHi: 21°C Lo: 55°F Lo: 13°C |
Friday... Partly sunny. A chance of rain with a slight chance of thunderstorms in the morning. Breezy with highs around 70. Chance of rain 40%. |
Sat Hi: 61°FHi: 16°C Lo: 41°F Lo: 5°C |
Saturday... Mostly cloudy. A 20% chance of rain. Breezy. Lows in the mid 50s. Highs in the lower 60s. |
Sun Hi: 55°FHi: 13°C Lo: 35°F Lo: 2°C |
Sunday... Mostly sunny. A slight chance of rain in the morning. Highs in the mid 50s. Chance of rain 20%. |
| Mon Hi: 51°FHi: 11°C |
Monday... Partly sunny with a 20% chance of rain. Highs in the lower 50s. |
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