Weather in Dorchester, IA
Updated 2026-09-26 10:15 local time · ZIP codes 52140
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
52°20% rain56°17% rain57°17% rain57°17% rain56°18% rain58°17% rain59°15% rain60°17% rain59°19% rain
59°12% rain
59°20% rain58°13% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 20%).
It feels like 48°F with winds near 8 mph.
59°F, 12% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 19 mph.
Current temperature is 52°F, wind 8 mph, rain chance up to 20%.
UV index is 2.
Local weather characteristics in Dorchester
Iowa has a continental climate with hot summers, cold winters, strong winds and a notable spring and summer severe-thunderstorm season.
Dorchester is part of the Midwest weather region. The forecast point is near 43.47°N latitude and 91.51°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.
Dorchester weather today
Overcast and 52°F in Dorchester, IA. Today's high is 60°F with a 20% rain chance. Winds are around 8 mph with gusts near 19 mph. Relative humidity is 73%, pressure is 30.21 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Dorchester
Sunrise is at 06:57 AM and sunset is at 06:56 PM. Tomorrow's forecast calls for Overcast with a high near 62°F and a low near 56°F. The maximum rain chance is 18%.