Weather in Arco, ID
Updated 2026-09-26 10:45 local time · ZIP codes 83213

Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
53°10% rain
58°9% rain
60°9% rain
61°9% rain
62°9% rain
62°9% rain
60°9% rain
60°9% rain
57°9% rain
54°9% rain
52°9% rain
52°9% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 9%).
It feels like 48°F with winds near 7 mph.
60°F, 9% rain chance and 11 mph wind.
Visibility is around 6 mi; gusts may reach 27 mph.
Current temperature is 53°F, wind 7 mph, rain chance up to 9%.
UV index is 1.
Local weather characteristics in Arco
Idaho combines dry interior valleys with colder mountain climates. Elevation strongly affects temperature, snowfall and the timing of spring and fall conditions.
Arco is part of the West weather region. The forecast point is near 43.64°N latitude and 113.29°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Arco weather today
Overcast and 53°F in Arco, ID. Today's high is 62°F with a 5% rain chance. Winds are around 7 mph with gusts near 11 mph. Relative humidity is 39%, pressure is 29.97 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Arco
Sunrise is at 07:25 AM and sunset is at 07:23 PM. Tomorrow's forecast calls for Overcast with a high near 65°F and a low near 49°F. The maximum rain chance is 18%.