Idaho Falls weather in October 2026

Q: How hot is it in Idaho Falls in October?

Daytime temperatures usually reach 18°C in Idaho Falls in October, falling to 3°C at night.

Q: How sunny is it in Idaho Falls in October?

There are normally 8 hours of bright sunshine each day in Idaho Falls in October - that's 69% of daylight hours.

Q: Does it rain in Idaho Falls in October?

There are usually 6 days with some rain in Idaho Falls in October and the average monthly rainfall is 19mm.

Expect daytime maximum temperatures of 61°F in Idaho Falls, Idaho in October based on long-term weather averages. There are 8 hours of sunshine per day on average.

61
61°F max day temperature
8
8 hours of sunshine per day
5
5 days with some rainfall
30
30°F min night temperature
11
11 hours of daylight per day
0
No heat & humidity
0.8
0.8 inches of monthly rainfall
4
4 (Moderate) UV index

More about Idaho Falls

Idaho Falls by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Idaho

Crystal Ski: up to £300pp off last minute ski breaks

Sale

Save up to £300 on last minute skiing holidays
Book late skiing holiday deals to Europe & North America
Filter deals by destination, board basis, rating, travel dates

Go to Crystal Ski deal >>

View all Crystal Ski offers

The October weather guide for Idaho (Idaho Falls) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about the USA

How hot is it in Idaho Falls in October?

Daytime temperatures usually reach 64°F in Idaho Falls in October, falling to 37°F at night.

How sunny is it in Idaho Falls in October?

There are normally 8 hours of bright sunshine each day in Idaho Falls in October - that's 69% of daylight hours.

Does it rain in Idaho Falls in October?

There are usually 6 days with some rain in Idaho Falls in October and the average monthly rainfall is 0.7 inches.

Idaho Falls October sunrise & sunset times

Browse the sunrise and sunset times for Idaho Falls in October 2026. Select a month to view Idaho Falls sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec