Weather in Plainfield, IA
Updated 2026-08-11 12:45 local time · ZIP codes 50666

Partly cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
81°10% rain
86°5% rain
86°4% rain
86°4% rain
86°5% rain
85°4% rain
83°7% rain
80°8% rain
78°8% rain
77°9% rain
76°10% rain
72°17% 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 17%).
It feels like 87°F with winds near 8 mph.
80°F, 8% rain chance and 6 mph wind.
Visibility is around 10 mi; gusts may reach 18 mph.
Current temperature is 81°F, wind 8 mph, rain chance up to 17%.
UV index is 6. Sunscreen, shade and protective clothing are recommended.
Plainfield weather today
Partly cloudy and 81°F in Plainfield, IA. Today's high is 86°F with a 74% rain chance. Winds are around 8 mph with gusts near 11 mph. Relative humidity is 84%, pressure is 29.88 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Plainfield
Sunrise is at 06:12 AM and sunset is at 08:18 PM. Tomorrow's forecast calls for Sunny with a high near 81°F and a low near 65°F. The maximum rain chance is 78%.