Weather in Walnut, IA
Updated 2026-08-11 10:30 local time · ZIP codes 51577

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
81°10% rain
91°4% rain
94°3% rain
95°3% rain
95°2% rain
95°2% rain
95°2% rain
95°2% rain
93°2% rain
89°3% rain
86°4% rain
83°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 8%).
It feels like 87°F with winds near 8 mph.
86°F, 4% rain chance and 13 mph wind.
Visibility is around 6 mi; gusts may reach 27 mph.
Current temperature is 81°F, wind 8 mph, rain chance up to 8%.
UV index is 3. Sunscreen and sunglasses are sensible for longer outdoor time.
Walnut weather today
Sunny and 81°F in Walnut, IA. Today's high is 95°F with a 7% rain chance. Winds are around 8 mph with gusts near 10 mph. Relative humidity is 83%, pressure is 29.81 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Walnut
Sunrise is at 06:25 AM and sunset is at 08:26 PM. Tomorrow's forecast calls for Sunny with a high near 93°F and a low near 71°F. The maximum rain chance is 4%.