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Yellowstone National Park (WY)
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United States weather

Weather in Yellowstone National Park, Wyoming for October 2026

Your guide to Yellowstone National Park weather in October - trends and predictions

    Snow Forecast ❄️

  • The climate of Yellowstone National Park in October is quite snowy, averaging 13 snowy days.

    • Temperatures

  • In general, the average temperature in Yellowstone National Park at the beginning of October is 11.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 3.3 °C by the end of October.

    • More

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

Average dry days
16
Dry days
Average rainy days
2
Rainy days
Average snowy days
13
Snow days
Average temperatures
8°/-2°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
61 %
Avg humidity

Yellowstone National Park Weather October

Move between months or click on a day
September
November
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
13°
2
Sunny
15°
3
Sunny
13°
4
Sunny
12°
5
Sunny
6°
6
Sunny
11°
7
Sunny
13°
8
Cloudy
13°
9
Sunny
16°
10
Overcast
15°
11
Thundery outbreaks possible
14°
12
Overcast
9°
13
Sunny
13°
14
Sunny
13°
15
Sunny
10°
16
Sunny
9°
17
Moderate or heavy snow with thunder
4°
18
Moderate snow
3°
19
Mist
7°
20
Mist
6°
21
Cloudy
7°
22
Thundery outbreaks possible
8°
23
Overcast
9°
24
Moderate snow
5°
25
Mist
8°
26
Partly cloudy
7°
27
Sunny
5°
28
Thundery outbreaks possible
0°
29
Overcast
2°
30
Cloudy
1°
31
Cloudy
0°

Temperatures trend during October in Yellowstone National Park

See the weather trend as well as the moving average line

October weather in Yellowstone National Park day by day

Click on a date for more information
September November
Date Weather Temperatures Rain Snow More
Oct. 1 Sunny
Sunny
 13° /2° 0 mm 0 cm
Oct. 2 Sunny
Sunny
 15° /2° 0 mm 0 cm
Oct. 3 Sunny
Sunny
 13° /2° 4.2 mm 0 cm
Oct. 4 Sunny
Sunny
 12° /0° 28.3 mm 6 cm
Oct. 5 Sunny
Sunny
 6° /1° 2 mm 0.8 cm
Oct. 6 Sunny
Sunny
 11° /-1° 0 mm 0 cm
Oct. 7 Sunny
Sunny
 13° /-1° 0 mm 0 cm
Oct. 8 Cloudy
Cloudy
 13° /0° 0 mm 0 cm
Oct. 9 Sunny
Sunny
 16° /2° 0 mm 0 cm
Oct. 10 Overcast
Overcast
 15° /4° 0 mm 0 cm
Oct. 11 Thundery outbreaks possible
Thundery outbreaks possible
 14° /5° 0 mm 0 cm
Oct. 12 Overcast
Overcast
 9° /0° 3.3 mm 1.4 cm
Oct. 13 Sunny
Sunny
 13° /-2° 0 mm 0 cm
Oct. 14 Sunny
Sunny
 13° /-1° 0 mm 0 cm
Oct. 15 Sunny
Sunny
 10° /1° 8.8 mm 3.7 cm
Oct. 16 Sunny
Sunny
 9° /0° 5.9 mm 4.3 cm
Oct. 17 Moderate or heavy snow with thunder
Moderate or heavy snow with thunder
 4° /-3° 3.9 mm 2.2 cm
Oct. 18 Moderate snow
Moderate snow
 3° /-5° 7.5 mm 5.4 cm
Oct. 19 Mist
Mist
 7° /-4° 4.2 mm 1 cm
Oct. 20 Mist
Mist
 6° /-7° 16 mm 11.6 cm
Oct. 21 Cloudy
Cloudy
 7° /-4° 0 mm 0 cm
Oct. 22 Thundery outbreaks possible
Thundery outbreaks possible
 8° /-3° 0 mm 0 cm
Oct. 23 Overcast
Overcast
 9° /-1° 0 mm 0 cm
Oct. 24 Moderate snow
Moderate snow
 5° /-7° 8.8 mm 5.7 cm
Oct. 25 Mist
Mist
 8° /-5° 1 mm 0.8 cm
Oct. 26 Partly cloudy
Partly cloudy
 7° /-3° 2.7 mm 1.1 cm
Oct. 27 Sunny
Sunny
 5° /-5° 3.3 mm 2 cm
Oct. 28 Thundery outbreaks possible
Thundery outbreaks possible
 0° /-7° 0.9 mm 0 cm
Oct. 29 Overcast
Overcast
 2° /-8° 0 mm 0 cm
Oct. 30 Cloudy
Cloudy
 1° /-14° 0 mm 0 cm
Oct. 31 Cloudy
Cloudy
 0° /-8° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Yellowstone National Park 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 Yellowstone National Park forecast closer to your planned date for the most up-to-date weather information.
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Yellowstone National Park in October - FAQ

What are the expected maximum and minimum temperatures in Yellowstone National Park during October?

Prepare for cooler days with highs just around 8° and colder nights, dipping below -2°.

How much rainfall should be expected in Yellowstone National Park during October?

Significant rainfall exceeding 100.9 mm is expected in Yellowstone National Park during October, occurring over more than 2 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Yellowstone National Park in October 2026?

Yellowstone National Park experiences an average snowfall of 45.76 cm during October, occurring over 13 days.

What are the typical wind conditions in Yellowstone National Park during October?

The average wind speed in Yellowstone National Park during October is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

Yellowstone National Park snow forecast October 2026

Track daily snowfall levels and discover Yellowstone National Park’s snowy potential this October ❄️
On average, Yellowstone National Park sees 13 snowy days during October, with approximately 45.8 cm of total snowfall.

October rainfall patterns in Yellowstone National Park

Explore the daily rainfall trends and prepare for Yellowstone National Parks October weather 💧
Typically, Yellowstone National Park has 2 rainy days in October with a total of 100.9 mm of rainfall.

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Location coordinates Where is Yellowstone National Park?

Get accurate weather forecasts for Yellowstone National Park, located at latitude 44.428 and longitude -110.588. Stay updated with localized weather information tailored for Yellowstone National Park.

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