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Duncan, IA 7-Day Weather Forecast
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Duncan Weather Forecast
Duncan, IA Weather Forecast Date: 607 AM CDT Sun Sep 13 2026
Weather forecast for Duncan, IA
Today Hi: 69°FHi: 21°C Lo: 50°F Lo: 10°C |
Today... Partly sunny with a 40% chance of showers. Highs in the upper 60s. North winds around 5 mph. |
Mon Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Monday... Showers with a chance of thunderstorms. Breezy with highs in the mid 70s. Southeast winds 20 to 25 mph with gusts up to 40 mph. Chance of rain near 100%. |
Tue Hi: 69°FHi: 21°C Lo: 50°F Lo: 10°C |
Tuesday... Mostly cloudy in the morning, then becoming partly sunny. Less humid with highs in the upper 60s. Northwest winds 5 to 10 mph. |
| Wed Hi: 65°FHi: 18°C Lo: 55°F Lo: 13°C |
Wednesday... Mostly cloudy with a 50% chance of showers. Highs in the mid 60s. |
| Thu Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Thursday... Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 50%. |
| Fri Hi: 70°FHi: 21°C Lo: 55°F Lo: 13°C |
Friday... Mostly cloudy in the morning, then becoming partly sunny. A slight chance of thunderstorms. A chance of showers. Highs around 70. Chance of rain 50%. |
Sat Hi: 71°FHi: 22°C |
Saturday... Mostly sunny. A slight chance of showers in the morning. Highs in the lower 70s. Chance of rain 20%. |
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