Weather in Harper, IA
Updated 2026-09-26 10:00 local time · ZIP codes 52231
Light drizzle
No government weather alerts were returned for this location at the latest update.
Next hours
56°56% rain
56°31% rain56°27% rain
59°32% rain61°14% rain
63°6% rain64°6% rain
64°12% rain
63°17% rain
63°10% rain
61°17% rain
60°25% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 56% over the next 12 hours.
It feels like 52°F with winds near 8 mph.
64°F, 6% rain chance and 11 mph wind.
Visibility is around 1 mi; gusts may reach 19 mph.
Current temperature is 56°F, wind 8 mph, rain chance up to 56%.
UV index is 0.
Local weather characteristics in Harper
Iowa has a continental climate with hot summers, cold winters, strong winds and a notable spring and summer severe-thunderstorm season.
Harper is part of the Midwest weather region. The forecast point is near 41.36°N latitude and 92.05°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.
Harper weather today
Light drizzle and 56°F in Harper, IA. Today's high is 64°F with a 69% rain chance. Winds are around 8 mph with gusts near 17 mph. Relative humidity is 86%, pressure is 30.16 inHg, and visibility is about 1 miles.
Tonight and tomorrow in Harper
Sunrise is at 06:59 AM and sunset is at 06:59 PM. Tomorrow's forecast calls for Overcast with a high near 66°F and a low near 57°F. The maximum rain chance is 40%.