Weather in Diagonal, IA
Updated 2026-08-11 12:00 local time · ZIP codes 50845

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
83°3% rain
93°2% rain
95°2% rain
96°1% rain
96°1% rain
95°1% rain
93°1% rain
89°2% rain
87°3% rain
83°3% rain
81°5% rain
79°7% 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 85°F with winds near 8 mph.
83°F, 3% rain chance and 8 mph wind.
Visibility is around 10 mi; gusts may reach 26 mph.
Current temperature is 83°F, wind 8 mph, rain chance up to 7%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Diagonal weather today
Sunny and 83°F in Diagonal, IA. Today's high is 96°F with a 4% rain chance. Winds are around 8 mph with gusts near 12 mph. Relative humidity is 79%, pressure is 29.88 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Diagonal
Sunrise is at 06:23 AM and sunset is at 08:21 PM. Tomorrow's forecast calls for Sunny with a high near 96°F and a low near 74°F. The maximum rain chance is 5%.