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Weather in Idaho Falls, Idaho for October 2026

Your guide to Idaho Falls weather in October - trends and predictions

    Snow Forecast ❄️

  • With an average of 2 snowy days, Idaho Falls usually enjoys a light touch of snow in October.
    According to Idaho Falls snow forecast for October 2026, no snow is expected at the beginning of the month.

    • Temperatures

  • Expect cooler weather in first days of October 2026 in Idaho Falls with the forecast suggesting a temperature of 23.6 °F, lower than the historical average.

  • In general, the average temperature in Idaho Falls at the beginning of October is 24.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 10.3 °F by the end of October.

    • Rain 🌧️

  • Idaho Falls experiences moderate rainfall in October, with an average of 9 rainy days and a total precipitation of 63.7 mm.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
20
Dry days
Average rainy days
9
Rainy days
Average snowy days
2
Snow days
Average temperatures
16°/2°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
59 %
Avg humidity

Idaho Falls Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
23°
2
Sunny
21°
3
Sunny
26°
4
Sunny
26°
5
Sunny
26°
6
Overcast
30°
7
Sunny
22°
8
Sunny
23°
9
Sunny
26°
10
Overcast
23°
11
Cloudy
22°
12
Overcast
16°
13
Sunny
21°
14
Sunny
21°
15
Sunny
18°
16
Sunny
16°
17
Patchy rain possible
11°
18
Light freezing rain
12°
19
Partly cloudy
14°
20
Sunny
13°
21
Overcast
15°
22
Cloudy
16°
23
Overcast
17°
24
Overcast
11°
25
Cloudy
14°
26
Partly cloudy
13°
27
Overcast
13°
28
Patchy rain possible
7°
29
Light freezing rain
8°
30
Partly cloudy
7°
31
Overcast
10°

Temperatures trend during October in Idaho Falls

See the weather trend as well as the moving average line

October weather in Idaho Falls day by day

Click on a date for more information
September November
Date Weather Temperatures Rain Snow More
Oct. 1 Sunny
Sunny
 23° /9° 0 mm 0 cm
Oct. 2 Sunny
Sunny
 21° /8° 0 mm 0 cm
Oct. 3 Sunny
Sunny
 26° /9° 0 mm 0 cm
Oct. 4 Sunny
Sunny
 26° /12° 0 mm 0 cm
Oct. 5 Sunny
Sunny
 26° /11° 0 mm 0 cm
Oct. 6 Overcast
Overcast
 30° /12° 0 mm 0 cm
Oct. 7 Sunny
Sunny
 22° /2° 0 mm 0 cm
Oct. 8 Sunny
Sunny
 23° /1° 0 mm 0 cm
Oct. 9 Sunny
Sunny
 26° /4° 0 mm 0 cm
Oct. 10 Overcast
Overcast
 23° /9° 4.3 mm 0 cm
Oct. 11 Cloudy
Cloudy
 22° /7° 9.8 mm 0 cm
Oct. 12 Overcast
Overcast
 16° /2° 16.2 mm 4.7 cm
Oct. 13 Sunny
Sunny
 21° /3° 0 mm 0 cm
Oct. 14 Sunny
Sunny
 21° /4° 2.2 mm 0 cm
Oct. 15 Sunny
Sunny
 18° /5° 4.6 mm 0 cm
Oct. 16 Sunny
Sunny
 16° /4° 4.6 mm 0 cm
Oct. 17 Patchy rain possible
Patchy rain possible
 11° /1° 8.3 mm 0 cm
Oct. 18 Light freezing rain
Light freezing rain
 12° /0° 2.5 mm 1.6 cm
Oct. 19 Partly cloudy
Partly cloudy
 14° /-1° 0 mm 0 cm
Oct. 20 Sunny
Sunny
 13° /0° 0 mm 0 cm
Oct. 21 Overcast
Overcast
 15° /0° 0 mm 0 cm
Oct. 22 Cloudy
Cloudy
 16° /1° 0 mm 0 cm
Oct. 23 Overcast
Overcast
 17° /1° 0.2 mm 0 cm
Oct. 24 Overcast
Overcast
 11° /-1° 1.8 mm 0 cm
Oct. 25 Cloudy
Cloudy
 14° /-2° 0 mm 0 cm
Oct. 26 Partly cloudy
Partly cloudy
 13° /2° 0 mm 0 cm
Oct. 27 Overcast
Overcast
 13° /1° 0 mm 0 cm
Oct. 28 Patchy rain possible
Patchy rain possible
 7° /-4° 0.6 mm 0 cm
Oct. 29 Light freezing rain
Light freezing rain
 8° /-5° 0.1 mm 0 cm
Oct. 30 Partly cloudy
Partly cloudy
 7° /-5° 0 mm 0 cm
Oct. 31 Overcast
Overcast
 10° /-2° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Idaho Falls in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Idaho Falls forecast closer to your planned date for the most up-to-date weather information.
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Idaho Falls in October - FAQ

What are the expected maximum and minimum temperatures in Idaho Falls during October?
During October, expect a variety of temperatures with highs around 16° and lows near 2°, suitable for diverse activities and preferences.

How much rainfall should be expected in Idaho Falls during October?
Moderate rainfall is anticipated in Idaho Falls during October, with a total of 63.7 mm spread over approximately 9 days. Considering plans for rainy days is advisable.

Will it snow in Idaho Falls in October 2026?
Idaho Falls experiences an average snowfall of 6.3 cm during October, occurring over 2 days.

What are the typical wind conditions in Idaho Falls during October?
The average wind speed in Idaho Falls during October is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

Idaho Falls snow forecast October 2026

Track daily snowfall levels and discover Idaho Falls’s snowy potential this October ❄️
On average, Idaho Falls sees 2 snowy days during October, with approximately 6.3 cm of total snowfall.

October rainfall patterns in Idaho Falls

Explore the daily rainfall trends and prepare for Idaho Fallss October weather 💧
Typically, Idaho Falls has 9 rainy days in October with a total of 63.7 mm of rainfall.

UV exposure in Idaho Falls during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️

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Location coordinates Where is Idaho Falls?

Get accurate weather forecasts for Idaho Falls, located at latitude 43.467 and longitude -112.034. Stay updated with localized weather information tailored for Idaho Falls.

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