Weather WorldMarengo, IA 7-Day Night Weather Forecast
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Marengo, IA Weather Forecast
Marengo, IA Weather Forecast Date: 126 AM CDT Tue Sep 29 2026
The area/counties/county of: Iowa, including the city of Marengo.or toggle through each period.
Rest of Tonight... Partly cloudy. Lows in the mid 50s. Southeast winds around 5 mph.
Tuesday... Partly sunny. Highs in the mid 70s. South winds 5 to 10 mph.
Tuesday Night... Cloudy. A chance of showers in the evening, then showers after midnight. Lows in the lower 60s. South winds 5 to 10 mph. Chance of rain 80%.
Wednesday... Showers with highs around 70. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90%.
Wednesday Night... Showers likely in the evening, then showers with a chance of thunderstorms after midnight. Humid with lows in the lower 60s. South winds 5 to 10 mph. Chance of rain near 100%.
Thursday... Showers. Near steady temperature in the mid 60s. Chance of rain near 100%.
Thursday Night... Mostly cloudy with a 50% chance of showers. Lows in the mid 50s.
Friday... Mostly sunny. Highs in the lower 60s.
Friday Night... Mostly clear. Lows in the upper 40s.
Saturday... Partly cloudy. Highs in the mid 60s. Lows around 50.
Saturday Night... Partly cloudy. Highs in the mid 60s. Lows around 50.
Sunday... Mostly clear. Highs in the lower 60s. Lows in the mid 40s.
POP = Probability of Precipitation
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