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Weather in Idaho for October 2026

Your guide to Idaho weather in October - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Idaho during October is quite rare, with fewer than 2 snowy days on average.

    • Temperatures

  • In general, the average temperature in Idaho at the beginning of October is 19.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 10.3 °F by the end of October.

    • Rain 🌧️

  • With an average of 3 rainy days, Idaho experiences minimal rainfall in October.

    • More

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

Average dry days
27
Dry days
Average rainy days
3
Rainy days
Average snowy days
1
Snow days
Average temperatures
19°/2°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
50 %
Avg humidity

Idaho Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
20°
2
Sunny
25°
3
Overcast
20°
4
Partly cloudy
18°
5
Sunny
14°
6
Sunny
19°
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°

What’s the Weather Like in Idaho This October?

Discover the average temperatures and weather trends across Idaho’s cities this October.
SunnyIdaho Falls19 °F / 2 °FSunnyBoise19 °F / 7 °FOvercastCoeur d'Alene15 °F / 5 °FPatchy rain possibleSandpoint13 °F / 4 °FSunnyLewiston17 °F / 6 °FOvercastMeridian16 °F / 4 °FPartly cloudyTwin Falls16 °F / 3 °FMore Locations

Temperatures trend during October in Idaho

See the weather trend as well as the moving average line

October weather in Idaho day by day

Click on a date for more information
September November
Date Weather Temperatures Rain Snow More
Oct. 1 Sunny
Sunny
 20° /3° 0 mm 0 cm
Oct. 2 Sunny
Sunny
 25° /5° 0 mm 0 cm
Oct. 3 Overcast
Overcast
 20° /5° 0 mm 0 cm
Oct. 4 Partly cloudy
Partly cloudy
 18° /4° 6.8 mm 0 cm
Oct. 5 Sunny
Sunny
 14° /5° 0 mm 0 cm
Oct. 6 Sunny
Sunny
 19° /2° 1.8 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 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 forecast closer to your planned date for the most up-to-date weather information.
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Idaho in October - FAQ

What are the expected maximum and minimum temperatures in Idaho during October?

During October, expect a variety of temperatures with highs around 19° and lows near 2°, suitable for diverse activities and preferences.

How much rainfall should be expected in Idaho during October?

In October, Idaho can expect light to moderate rainfall, totaling 26.8 mm across approximately 3 days. Occasional showers are possible, and planning ahead for them could be helpful.

Will it snow in Idaho in October 2026?

Idaho typically sees 3.11 cm of snowfall during October.

What are the typical wind conditions in Idaho during October?

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

Idaho snow forecast October 2026

Track daily snowfall levels and discover Idaho’s snowy potential this October ❄️
On average, Idaho sees 1 snowy days during October, with approximately 3.1 cm of total snowfall.

October rainfall patterns in Idaho

Explore the daily rainfall trends and prepare for Idahos October weather 💧
Typically, Idaho has 3 rainy days in October with a total of 26.8 mm of rainfall.

UV exposure in Idaho during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
Counties in Idaho
Select a county for an accurate weather forecast
Ada CountyBonner CountyBonneville CountyKootenai CountyNez Perce CountyTwin Falls County
Top locations in Idaho
Select a location for an accurate weather forecast
BoiseCoeur d'AleneIdaho FallsLewistonMeridianSandpointTwin Falls
More Locations

Quick links

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Location coordinates Where is Idaho?

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

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