Weather in Ketchum, ID
Updated 2026-09-26 08:00 local time · ZIP codes 83340
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
37°7% rain
41°13% rain44°10% rain46°10% rain48°10% rain51°9% rain
51°11% rain49°10% rain50°9% rain51°9% rain50°10% rain46°10% 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 13%).
It feels like 32°F with winds near 2 mph.
51°F, 9% rain chance and 7 mph wind.
Visibility is around 6 mi; gusts may reach 16 mph.
Current temperature is 37°F, wind 2 mph, rain chance up to 13%.
UV index is 0.
Local weather characteristics in Ketchum
Idaho combines dry interior valleys with colder mountain climates. Elevation strongly affects temperature, snowfall and the timing of spring and fall conditions.
Ketchum is part of the West weather region. The forecast point is near 43.66°N latitude and 114.37°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.
Ketchum weather today
Sunny and 37°F in Ketchum, ID. Today's high is 51°F with a 9% rain chance. Winds are around 2 mph with gusts near 7 mph. Relative humidity is 71%, pressure is 30.06 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Ketchum
Sunrise is at 07:29 AM and sunset is at 07:28 PM. Tomorrow's forecast calls for Overcast with a high near 58°F and a low near 41°F. The maximum rain chance is 10%.