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St. Onge Weather Forecast
St. Onge, SD Weather Forecast Date: 222 AM MDT Wed Oct 14 2026
Weather forecast for St. Onge, SD
Morning Hi: 39°FHi: 4°C |
Early This Morning... Partly cloudy. Near steady temperature in the upper 30s. West winds around 5 mph. |
Today Hi: 55°FHi: 13°C Lo: 39°F Lo: 4°C |
Today... Mostly cloudy. A chance of rain in the afternoon. Highs in the mid 50s. Southeast winds 5 to 10 mph. Chance of rain 50%. |
| Thu Hi: 55°FHi: 13°C Lo: 29°F Lo: -2°C |
Thursday... Partly cloudy in the morning, then clearing. Windy with highs in the mid 50s. Northwest winds 15 to 25 mph, increasing to 25 to 35 mph in the afternoon. |
Fri Hi: 61°FHi: 16°C Lo: 45°F Lo: 7°C |
Friday... Widespread frost in the morning. Sunny. Highs in the lower 60s. South winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. |
| Sat Hi: 79°FHi: 26°C Lo: 50°F Lo: 10°C |
Saturday... Sunny. Highs in the upper 70s. |
| Sun Hi: 69°FHi: 21°C Lo: 45°F Lo: 7°C |
Sunday... Mostly sunny. Highs in the upper 60s. |
| Mon Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Monday... Sunny. Highs in the lower 70s. |
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