Missoula (MT)
October
Weather in Missoula, Montana for October 2025
Your guide to Missoula weather in October - trends and predictions
In general, the average temperature in Missoula at the beginning of October is 19.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 10.4 °F by the end of October.
Missoula experiences moderate rainfall in October, with an average of 7 rainy days and a total precipitation of 31.4 mm.
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Temperatures
Rain 🌧️
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24
Dry days
7
Rainy days
0
Snow days
16°/3°
Temperatures
10 km/h
Avg max wind
52 %
Avg humidity
Missoula Weather October
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Temperatures trend during October in Missoula
See the weather trend as well as the moving average line
October weather in Missoula day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Sunny | 22° /2° | 0 mm | 6 | |
| Oct. 2 |  Partly cloudy | 15° /7° | 0 mm | 5 | |
| Oct. 3 | Sunny | 16° /2° | 0 mm | 5 | |
| Oct. 4 |  Overcast | 24° /3° | 3.3 mm | 5 | |
| Oct. 5 | Partly cloudy | 16° /5° | 0 mm | 5 | |
| Oct. 6 | Partly cloudy | 22° /4° | 0 mm | 6 | |
| Oct. 7 | Partly cloudy | 22° /7° | 0 mm | 6 | |
| Oct. 8 | Sunny | 25° /6° | 0 mm | 6 | |
| Oct. 9 | Overcast | 21° /6° | 0 mm | 5 | |
| Oct. 10 | Overcast | 16° /8° | 0 mm | 4 | |
| Oct. 11 | Overcast | 20° /5° | 0 mm | 5 | |
| Oct. 12 | Overcast | 21° /7° | 0 mm | 5 | |
| Oct. 13 | Sunny | 22° /4° | 0 mm | 6 | |
| Oct. 14 | Partly cloudy | 23° /7° | 0 mm | 6 | |
| Oct. 15 | Partly cloudy | 23° /7° | 0 mm | 6 | |
| Oct. 16 |  Moderate or heavy rain shower | 12° /6° | 4.4 mm | 3 | |
| Oct. 17 | Moderate or heavy rain shower | 8° /2° | 6.6 mm | 2 | |
| Oct. 18 |  Cloudy | 9° /0° | 0 mm | 2 | |
| Oct. 19 | Cloudy | 14° /5° | 0 mm | 3 | |
| Oct. 20 | Partly cloudy | 20° /2° | 0 mm | 6 | |
| Oct. 21 | Moderate or heavy rain shower | 13° /6° | 8.4 mm | 3 | |
| Oct. 22 | Sunny | 10° /3° | 0 mm | 4 | |
| Oct. 23 |  Patchy rain possible | 11° /0° | 0.4 mm | 3 | |
| Oct. 24 | Partly cloudy | 9° /1° | 0 mm | 3 | |
| Oct. 25 | Partly cloudy | 12° /-2° | 0.5 mm | 4 | |
| Oct. 26 | Partly cloudy | 17° /0° | 0 mm | 5 | |
| Oct. 27 |  Heavy rain at times | 15° /2° | 2.9 mm | 4 | |
| Oct. 28 | Heavy rain at times | 7° /1° | 1.7 mm | 2 | |
| Oct. 29 | Overcast | 6° /-2° | 0 mm | 2 | |
| Oct. 30 | Cloudy | 7° /-7° | 0 mm | 2 | |
| Oct. 31 |  Light sleet | 9° /-1° | 3.1 mm | 2 | |
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Important Notice
Our weather forecast for Missoula 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 forecast closer to your planned date for the most up-to-date weather information.
Change Month
Missoula in October - FAQ
What are the expected maximum and minimum temperatures in Missoula during October?
During October, expect a variety of temperatures with highs around 16° and lows near 3°, suitable for diverse activities and preferences.
How much rainfall should be expected in Missoula during October?
In October, Missoula can expect light to moderate rainfall, totaling 31.4 mm across approximately 7 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Missoula during October?
The average wind speed in Missoula during October is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Missoula
Explore the daily rainfall trends and prepare for Missoulas October weather 💧
UV exposure in Missoula during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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