Missoula County (Missoula)
October
Weather in Missoula County, Montana for October 2026
Your guide to Missoula County weather in October - trends and predictions
Snowfall in Missoula County during October is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Missoula County at the beginning of October is 17.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 9 °C by the end of October.
The climate of Missoula County in October is notably wet, with an average of 13 rainy days, and a total of 77.2 mm of precipitation.
New! Chat with our AI weatherman - it’s amazing and free.
Snow Forecast ❄️
Temperatures
Rain 🌧️
More
17
Dry days
13
Rainy days
1
Snow days
14°/3°
Temperatures
10 km/h
Avg max wind
57 %
Avg humidity
Missoula County Weather October
Move between months or click on a day
Temperatures trend during October in Missoula County
See the weather trend as well as the moving average line
October weather in Missoula County day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Oct. 1 |  Sunny | 20° /7° | 0 mm | 0 cm | |
| Oct. 2 |  Partly cloudy | 17° /8° | 0 mm | 0 cm | |
| Oct. 3 | Sunny | 15° /6° | 28.5 mm | 0 cm | |
| Oct. 4 |  Overcast | 18° /5° | 1.6 mm | 0 cm | |
| Oct. 5 | Partly cloudy | 12° /4° | 0 mm | 0 cm | |
| Oct. 6 | Partly cloudy | 19° /2° | 0 mm | 0 cm | |
| Oct. 7 | Partly cloudy | 21° /5° | 0 mm | 0 cm | |
| Oct. 8 | Sunny | 23° /6° | 0 mm | 0 cm | |
| Oct. 9 | Overcast | 23° /6° | 0 mm | 0 cm | |
| Oct. 10 | Overcast | 20° /7° | 0 mm | 0 cm | |
| Oct. 11 | Overcast | 18° /5° | 4.1 mm | 0 cm | |
| Oct. 12 | Overcast | 14° /4° | 1.7 mm | 0 cm | |
| Oct. 13 | Sunny | 12° /1° | 7 mm | 5.1 cm | |
| Oct. 14 | Partly cloudy | 16° /3° | 0 mm | 0 cm | |
| Oct. 15 | Partly cloudy | 14° /4° | 7.7 mm | 0 cm | |
| Oct. 16 |  Moderate or heavy rain shower | 13° /3° | 2.2 mm | 0 cm | |
| Oct. 17 | Moderate or heavy rain shower | 9° /3° | 3.3 mm | 0 cm | |
| Oct. 18 |  Cloudy | 10° /1° | 0 mm | 0 cm | |
| Oct. 19 | Cloudy | 11° /5° | 4.8 mm | 0 cm | |
| Oct. 20 | Partly cloudy | 14° /2° | 2.2 mm | 0 cm | |
| Oct. 21 | Moderate or heavy rain shower | 14° /3° | 4.2 mm | 0 cm | |
| Oct. 22 | Sunny | 14° /1° | 0 mm | 0 cm | |
| Oct. 23 |  Patchy rain possible | 11° /2° | 0.2 mm | 0 cm | |
| Oct. 24 | Partly cloudy | 14° /2° | 0 mm | 0 cm | |
| Oct. 25 | Partly cloudy | 12° /2° | 0.2 mm | 0 cm | |
| Oct. 26 | Partly cloudy | 12° /1° | 4 mm | 0 cm | |
| Oct. 27 |  Heavy rain at times | 9° /0° | 1.5 mm | 0 cm | |
| Oct. 28 | Heavy rain at times | 7° /-3° | 0.9 mm | 0 cm | |
| Oct. 29 | Overcast | 7° /-2° | 0 mm | 0 cm | |
| Oct. 30 | Cloudy | 7° /-4° | 0 mm | 0 cm | |
| Oct. 31 |  Light sleet | 9° /-1° | 3.1 mm | 0 cm | |
| Next | |||||
Important Notice
Our weather forecast for Missoula 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 Missoula County forecast closer to your planned date for the most up-to-date weather information.
Change Month
Missoula County in October - FAQ
What are the expected maximum and minimum temperatures in Missoula County during October?
Prepare for cooler days with highs just around 14° and colder nights, dipping below 3°.
How much rainfall should be expected in Missoula County during October?
Moderate rainfall is anticipated in Missoula County during October, with a total of 77.2 mm spread over approximately 13 days. Considering plans for rainy days is advisable.
Will it snow in Missoula County in October 2026?
Missoula County typically sees 5.06 cm of snowfall during October.
What are the typical wind conditions in Missoula County during October?
The average wind speed in Missoula County during October is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
Missoula County snow forecast October 2026
Track daily snowfall levels and discover Missoula County’s snowy potential this October ❄️
On average, Missoula County sees 1 snowy days during October, with approximately 5.1 cm of total snowfall.
October rainfall patterns in Missoula County
Explore the daily rainfall trends and prepare for Missoula Countys October weather 💧
Typically, Missoula County has 13 rainy days in October with a total of 77.2 mm of rainfall.
UV exposure in Missoula County during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
Top locations in Missoula County
Select a location for an accurate weather forecast
More Locations Quick links
More Missoula County weather pages
You are here
Where is Missoula County?Get accurate weather forecasts for Missoula County, located at latitude 46.872 and longitude -113.994. Stay updated with localized weather information tailored for Missoula County.
Found a mistake?
We appreciate your attention to details. Tell us here.