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City of Jefferson, SDJefferson, SD 7-Day Weather Forecast
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Jefferson Weather Forecast
Jefferson, SD Weather Forecast Date: 829 AM CDT Sat Sep 19 2026
Weather forecast for Jefferson, SD
Today Hi: 69°FHi: 21°C Lo: 59°F Lo: 15°C |
Rest of Today... Cloudy. A slight chance of showers early this morning. Patchy fog early this morning. Not as warm with highs in the upper 60s. North winds 5 to 10 mph. Chance of rain 20%. |
| Sun Hi: 65°FHi: 18°C Lo: 51°F Lo: 11°C |
Sunday... Cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the mid 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30%. |
| Mon Hi: 61°FHi: 16°C Lo: 49°F Lo: 9°C |
Monday... Showers likely, mainly in the morning. Highs in the lower 60s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 70%. |
Tue Hi: 61°FHi: 16°C Lo: 45°F Lo: 7°C |
Tuesday... Partly sunny. Highs in the lower 60s. |
Wed Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Wednesday... Mostly sunny. Highs in the upper 60s. |
Thu Hi: 69°FHi: 21°C Lo: 55°F Lo: 13°C |
Thursday... Mostly cloudy. A chance of showers in the morning. Highs in the upper 60s. Chance of rain 40%. |
| Fri Hi: 71°FHi: 22°C |
Friday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 70s. |
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