Weather in Irwin, ID
Updated 2026-08-11 10:00 local time · ZIP codes 83428

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
76°2% rain
83°1% rain
86°0% rain
87°0% rain
88°1% rain
89°1% rain
89°1% rain
88°1% rain
86°1% rain
84°1% rain
68°1% rain
64°1% 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 2%).
It feels like 74°F with winds near 3 mph.
68°F, 1% rain chance and 2 mph wind.
Visibility is around 10 mi; gusts may reach 13 mph.
Current temperature is 76°F, wind 3 mph, rain chance up to 2%.
UV index is 3. Sunscreen and sunglasses are sensible for longer outdoor time.
Irwin weather today
Sunny and 76°F in Irwin, ID. Today's high is 89°F with a 1% rain chance. Winds are around 3 mph with gusts near 4 mph. Relative humidity is 31%, pressure is 30.25 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Irwin
Sunrise is at 06:25 AM and sunset is at 08:34 PM. Tomorrow's forecast calls for Partly Cloudy with a high near 85°F and a low near 50°F. The maximum rain chance is 17%.