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City of Ottumwa, IAOttumwa, IA 7-Day Weather Forecast
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Ottumwa Weather Forecast
Ottumwa, IA Weather Forecast Date: 427 PM CDT Tue Oct 20 2026
Weather forecast for Ottumwa, IA
Tonight Lo: 49°F Lo: 9°C |
Tonight... Mostly clear. Lows in the upper 40s. Southeast winds around 5 mph. |
Wed Hi: 75°FHi: 24°C Lo: 50°F Lo: 10°C |
Wednesday... Partly sunny in the morning, then clearing. Highs in the mid 70s. South winds around 5 mph. |
Thu Hi: 75°FHi: 24°C Lo: 51°F Lo: 11°C |
Thursday... Sunny. Highs in the mid 70s. Light and variable winds, becoming southeast around 5 mph in the afternoon. |
| Fri Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Friday... Sunny. Highs in the mid 70s. |
Sat Hi: 75°FHi: 24°C Lo: 55°F Lo: 13°C |
Saturday... Partly sunny. Highs in the mid 70s. |
| Sun Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Sunday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 70s. |
Mon Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Monday... Mostly cloudy in the morning, then becoming partly sunny. A 20% chance of showers. Highs in the mid 60s. |
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