Montana (Billings)
October
Weather in Montana for October 2025
Your guide to Montana weather in October - trends and predictions
In general, the average temperature in Montana 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, Montana 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
Montana Weather October
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What’s the Weather Like in Montana This October?
Discover the average temperatures and weather trends across Montana’s cities this October.
Temperatures trend during October in Montana
See the weather trend as well as the moving average line
October weather in Montana 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 Montana 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 Montana forecast closer to your planned date for the most up-to-date weather information.
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Montana in October - FAQ
What are the expected maximum and minimum temperatures in Montana 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 Montana during October?
In October, Montana 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 Montana during October?
The average wind speed in Montana during October is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Montana
Explore the daily rainfall trends and prepare for Montanas October weather 💧
UV exposure in Montana during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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