Idaho Falls
FallOff season ~57°F highs
Things to do in Idaho Falls in October
October is off season (quieter, and often cheaper) to visit Idaho Falls, with average highs around 57°F. Crisp air and changing leaves make parks and viewpoints shine.
Best picks for October
What's famous here, weighted toward what shines in October.
Holidays in October 2026
- Columbus Day · Mon, Oct 12
Expect busier roads and pricier stays around these dates. See long weekends.
What’s on in Idaho Falls in October
Concerts, games and shows in the next few weeks. Tickets open on Ticketmaster.
Idaho Falls in October: quick answers
Is October a good time to visit Idaho Falls?
October is off season (quieter, and often cheaper) to visit Idaho Falls, with average highs around 57°F. Crisp air and changing leaves make parks and viewpoints shine.
What is the weather like in Idaho Falls in October?
Average daytime highs are around 57°F, compared with 90°F in the warmest month. Check the forecast a week out; our planner favors indoor stops on rainy days.
What are the best things to do in Idaho Falls in October?
Top picks for October: Yellowstone National Park, Experimental Breeder Reactor I, Targhee National Forest, Bottolfsen Park, Eighteenmile Wilderness Study Area.
