Ketchum, ID 83340 Monthly Weather

Blaine County10:02 PM MDT43.67°N, 114.49°W
← September

October 2026

Sun
Mon
Tue
Wed
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Sat
172°/–Avg 63°/32°
2Avg 62°/32°
3Avg 62°/32°
481°/35°Avg 61°/31°
580°/42°Avg 61°/31°
681°/37°Avg 60°/31°
781°/37°Avg 60°/31°
879°/35°Avg 60°/30°
978°/34°Avg 59°/30°
1075°/45°Avg 59°/30°
1166°/39°Avg 58°/29°
1244°/34°Avg 58°/29°
1353°/32°Avg 57°/29°
1462°/27°<0.01 inAvg 57°/28°
1562°/27°Avg 56°/28°
1667°/27°Avg 56°/28°
1766°/26°Avg 56°/28°
1866°/28°Avg 55°/27°
1966°/28°Avg 55°/27°
2065°/28°Avg 54°/26°
21 Slight Chance Light Rain –/43°Avg 54°/26°
22 Chance Light Rain then Slight Chance Showers And Thunderstorms 52°/38°Avg 53°/26°
23 Rain 44°/31°Avg 53°/26°
24 Sunny 42°/30°Avg 52°/25°
25 Sunny 47°/33°Avg 52°/25°
26 Slight Chance Light Snow 46°/31°Avg 51°/24°
27 Mostly Sunny 43°/30°Avg 51°/24°
28 Mostly Sunny 44°/–Avg 50°/24°
29 Partly cloudy 49°/29°Avg 50°/24°
30 Cloudy 53°/29°Avg 49°/23°
31Avg 49°/23°
Average high69° (normal 58°)
Average low33° (normal 29°)
Warmest / coldest81° / –
Precipitation<0.01 in (normal 0.78 in to date)
Record high today72° (2023)
Record low today6° (1996)

Observed: Ketchum Ranger Station, 10 km away, records since 1937. Normals 1991–2020. Climate data from NOAA's Regional Climate Centers (ACIS); recent days are preliminary. Days ahead: the forecast.

Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.