Weather in Onawa, IA
Updated 2026-09-26 10:15 local time · ZIP codes 51040
Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
62°21% rain
64°16% rain
68°18% rain70°16% rain
71°66% rain
69°65% rain67°63% rain66°75% rain66°75% rain66°70% rain
66°68% rain65°55% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 75% over the next 12 hours.
It feels like 56°F with winds near 16 mph.
70°F, 16% rain chance and 15 mph wind.
Visibility is around 6 mi; gusts may reach 28 mph.
Current temperature is 62°F, wind 16 mph, rain chance up to 75%.
UV index is 1.
Local weather characteristics in Onawa
Iowa has a continental climate with hot summers, cold winters, strong winds and a notable spring and summer severe-thunderstorm season.
Onawa is part of the Midwest weather region. The forecast point is near 42.03°N latitude and 96.10°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.
Onawa weather today
Cloudy and 62°F in Onawa, IA. Today's high is 71°F with a 91% rain chance. Winds are around 16 mph with gusts near 28 mph. Relative humidity is 87%, pressure is 29.99 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Onawa
Sunrise is at 07:16 AM and sunset is at 07:15 PM. Tomorrow's forecast calls for Patchy rain nearby with a high near 70°F and a low near 62°F. The maximum rain chance is 43%.