Yellowstone County (Billings)
October
Weather in Yellowstone County, Montana for October 2025
Your guide to Yellowstone County weather in October - trends and predictions
In general, the average temperature in Yellowstone County at the beginning of October is 23.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.4 °F by the end of October.
With an average of 5 rainy days, Yellowstone County experiences minimal rainfall in October.
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Temperatures
Rain 🌧️
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26
Dry days
5
Rainy days
0
Snow days
20°/5°
Temperatures
19 km/h
Avg max wind
48 %
Avg humidity
Yellowstone County Weather October
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Temperatures trend during October in Yellowstone County
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October weather in Yellowstone County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Cloudy | 24° /3° | 0 mm | 5 | |
| Oct. 2 | Cloudy | 25° /11° | 0 mm | 6 | |
| Oct. 3 |  Sunny | 18° /5° | 0 mm | 5 | |
| Oct. 4 | Sunny | 29° /3° | 0 mm | 7 | |
| Oct. 5 | Sunny | 20° /10° | 0 mm | 5 | |
| Oct. 6 | Sunny | 24° /4° | 0 mm | 6 | |
| Oct. 7 | Sunny | 26° /8° | 0 mm | 7 | |
| Oct. 8 | Sunny | 26° /8° | 0 mm | 7 | |
| Oct. 9 | Sunny | 28° /9° | 0 mm | 7 | |
| Oct. 10 |  Overcast | 21° /10° | 0 mm | 5 | |
| Oct. 11 | Overcast | 22° /9° | 0 mm | 5 | |
| Oct. 12 | Cloudy | 20° /8° | 0 mm | 5 | |
| Oct. 13 | Sunny | 19° /3° | 0 mm | 5 | |
| Oct. 14 | Sunny | 25° /4° | 0 mm | 7 | |
| Oct. 15 | Sunny | 24° /7° | 0 mm | 6 | |
| Oct. 16 | Sunny | 28° /7° | 0 mm | 7 | |
| Oct. 17 |  Moderate or heavy rain shower | 13° /6° | 17.5 mm | 3 | |
| Oct. 18 | Overcast | 11° /3° | 7 mm | 3 | |
| Oct. 19 | Sunny | 19° /1° | 0 mm | 5 | |
| Oct. 20 | Sunny | 22° /7° | 0 mm | 6 | |
| Oct. 21 | Overcast | 21° /8° | 0.3 mm | 5 | |
| Oct. 22 | Moderate rain at times | 15° /5° | 1.4 mm | 4 | |
| Oct. 23 | Overcast | 17° /0° | 0 mm | 4 | |
| Oct. 24 |  Patchy rain possible | 14° /3° | 3.5 mm | 3 | |
| Oct. 25 | Sunny | 12° /0° | 0 mm | 4 | |
| Oct. 26 | Cloudy | 20° /4° | 0 mm | 5 | |
| Oct. 27 | Overcast | 21° /6° | 0 mm | 5 | |
| Oct. 28 | Patchy rain possible | 12° /3° | 0.2 mm | 3 | |
| Oct. 29 | Overcast | 8° /2° | 0 mm | 2 | |
| Oct. 30 |  Mist | 10° /-3° | 0 mm | 3 | |
| Oct. 31 |  Partly cloudy | 11° /-5° | 0 mm | 4 | |
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Important Notice
Our weather forecast for Yellowstone County 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 County forecast closer to your planned date for the most up-to-date weather information.
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Yellowstone County in October - FAQ
What are the expected maximum and minimum temperatures in Yellowstone County during October?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 5°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Yellowstone County during October?
In October, Yellowstone County can expect light to moderate rainfall, totaling 29.9 mm across approximately 5 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Yellowstone County during October?
The average wind speed in Yellowstone County during October is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Yellowstone County
Explore the daily rainfall trends and prepare for Yellowstone Countys October weather 💧
UV exposure in Yellowstone County during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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Where is Yellowstone County?Get accurate weather forecasts for Yellowstone County, located at latitude 45.783 and longitude -108.501. Stay updated with localized weather information tailored for Yellowstone County.
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