Weather in Marengo, IA
Updated 2026-09-26 10:00 local time · ZIP codes 52301
Light drizzle
No government weather alerts were returned for this location at the latest update.
Next hours
55°45% rain53°66% rain53°68% rain53°63% rain53°70% rain
53°30% rain58°51% rain
60°13% rain
60°10% rain
60°36% rain
59°22% rain
58°27% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 70% over the next 12 hours.
It feels like 51°F with winds near 8 mph.
60°F, 10% rain chance and 8 mph wind.
Visibility is around 1 mi; gusts may reach 20 mph.
Current temperature is 55°F, wind 8 mph, rain chance up to 70%.
UV index is 0.
Local weather characteristics in Marengo
Iowa has a continental climate with hot summers, cold winters, strong winds and a notable spring and summer severe-thunderstorm season.
Marengo is part of the Midwest weather region. The forecast point is near 41.80°N latitude and 92.07°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Marengo weather today
Light drizzle and 55°F in Marengo, IA. Today's high is 60°F with a 81% rain chance. Winds are around 8 mph with gusts near 16 mph. Relative humidity is 81%, pressure is 30.17 inHg, and visibility is about 1 miles.
Tonight and tomorrow in Marengo
Sunrise is at 07:00 AM and sunset is at 06:59 PM. Tomorrow's forecast calls for Overcast with a high near 65°F and a low near 55°F. The maximum rain chance is 28%.