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City of Decorah, IADecorah, IA 7-Day Weather Forecast
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Decorah Weather Forecast
Decorah, IA Weather Forecast Date: 1236 AM CDT Wed Sep 09 2026
Weather forecast for Decorah, IA
Tonight Lo: 65°F Lo: 18°C |
Tonight... Mostly cloudy with a chance of showers and thunderstorms. Patchy fog. Lows in the mid 60s. Light winds. Chance of rain 50%. |
Wed Hi: 80°FHi: 27°C Lo: 55°F Lo: 13°C |
Wednesday... Patchy fog in the morning. Mostly sunny. Highs around 80. West winds 5 to 10 mph. |
Thu Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Thursday... Mostly sunny. Highs in the upper 70s. Light winds. |
| Fri Hi: 79°FHi: 26°C Lo: 61°F Lo: 16°C |
Friday... Mostly sunny. Highs in the upper 70s. |
Sat Hi: 75°FHi: 24°C Lo: 51°F Lo: 11°C |
Saturday... Partly sunny. Highs in the mid 70s. |
Sun Hi: 69°FHi: 21°C Lo: 55°F Lo: 13°C |
Sunday... Partly sunny with a chance of showers. Highs in the upper 60s. Chance of rain 50%. |
Mon Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Monday... Showers likely. Highs in the lower 70s. Lows in the mid 50s. Chance of rain 70%. |
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