Weather in Sumner, IA
Updated 2026-09-26 08:45 local time · ZIP codes 50674
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
52°25% rain
51°33% rain
50°50% rain51°39% rain51°57% rain
51°47% rain51°57% rain52°41% rain52°41% rain51°33% rain
52°33% rain53°33% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 57% over the next 12 hours.
It feels like 48°F with winds near 9 mph.
52°F, 24% rain chance and 9 mph wind.
Visibility is around 6 mi; gusts may reach 23 mph.
Current temperature is 52°F, wind 9 mph, rain chance up to 57%.
UV index is 0.
Local weather characteristics in Sumner
Iowa has a continental climate with hot summers, cold winters, strong winds and a notable spring and summer severe-thunderstorm season.
Sumner is part of the Midwest weather region. The forecast point is near 42.85°N latitude and 92.09°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.
Sumner weather today
Overcast and 52°F in Sumner, IA. Today's high is 60°F with a 78% rain chance. Winds are around 9 mph with gusts near 23 mph. Relative humidity is 82%, pressure is 30.18 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Sumner
Sunrise is at 07:00 AM and sunset is at 06:59 PM. Tomorrow's forecast calls for Overcast with a high near 61°F and a low near 54°F. The maximum rain chance is 79%.