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Marathon, IA 7-Day Weather Forecast
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Marathon Weather Forecast
Marathon, IA Weather Forecast Date: 1134 PM CDT Fri Sep 11 2026
Weather forecast for Marathon, IA
Tonight Lo: 60°F Lo: 16°C |
Tonight... Mostly cloudy late this evening, then becoming partly cloudy. A 20% chance of showers. Lows around 60. Southwest winds 10 to 15 mph, becoming west. |
Sat Hi: 75°FHi: 24°C Lo: 51°F Lo: 11°C |
Saturday... Mostly sunny. Less humid with highs in the mid 70s. North winds 10 to 15 mph. |
Sun Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Sunday... Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the upper 60s. East winds 5 to 10 mph. Chance of rain 50%. |
Mon Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Monday... A chance of thunderstorms. Showers, breezy with highs in the mid 70s. Chance of rain near 100%. |
| Tue Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Tuesday... Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the upper 60s. Chance of rain 50%. |
| Wed Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Wednesday... Mostly cloudy with a chance of showers. Highs in the upper 60s. Chance of rain 50%. |
| Thu Hi: 70°FHi: 21°C Lo: 51°F Lo: 11°C |
Thursday... Mostly cloudy in the morning, then becoming mostly sunny. A chance of showers in the morning. Highs around 70. Chance of rain 40%. |
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