Weather in Dorchester, IA
Updated 2026-08-11 10:30 local time · ZIP codes 52140
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
75°9% rain82°5% rain87°4% rain
85°7% rain86°6% rain87°5% rain88°5% rain88°5% rain87°5% rain86°5% rain84°7% rain
82°6% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 7%).
It feels like 78°F with winds near 7 mph.
82°F, 5% rain chance and 8 mph wind.
Visibility is around 5 mi; gusts may reach 11 mph.
Current temperature is 75°F, wind 7 mph, rain chance up to 7%.
UV index is 1.
Dorchester weather today
Sunny and 75°F in Dorchester, IA. Today's high is 88°F with a 17% rain chance. Winds are around 7 mph with gusts near 10 mph. Relative humidity is 77%, pressure is 29.87 inHg, and visibility is about 5 miles.
Tonight and tomorrow in Dorchester
Sunrise is at 06:06 AM and sunset is at 08:15 PM. Tomorrow's forecast calls for Sunny with a high near 85°F and a low near 64°F. The maximum rain chance is 43%.