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Weather in Missoula, Montana for October 2026

Your guide to Missoula weather in October - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Missoula during October is quite rare, with fewer than 2 snowy days on average.
    According to Missoula snow forecast for October 2026, no snow is expected at the beginning of the month.

    • Temperatures

  • Expect cooler weather in first days of October 2026 in Missoula with the forecast suggesting a temperature of 22.8 °F, lower than the historical average.

  • In general, the average temperature in Missoula at the beginning of October is 23.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 9 °F by the end of October.

    • Rain 🌧️

  • The climate of Missoula in October is notably wet, with an average of 13 rainy days, and a total of 77.2 mm of precipitation.

    • More

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

Average dry days
17
Dry days
Average rainy days
13
Rainy days
Average snowy days
1
Snow days
Average temperatures
14°/3°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
57 %
Avg humidity

Missoula Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
25°
2
Sunny
20°
3
Sunny
18°
4
Sunny
22°
5
Sunny
27°
6
Sunny
25°
7
Sunny
28°
8
Sunny
29°
9
Sunny
25°
10
Overcast
20°
11
Overcast
18°
12
Overcast
14°
13
Sunny
12°
14
Partly cloudy
16°
15
Partly cloudy
14°
16
Moderate or heavy rain shower
13°
17
Moderate or heavy rain shower
9°
18
Cloudy
10°
19
Cloudy
11°
20
Partly cloudy
14°
21
Moderate or heavy rain shower
14°
22
Sunny
14°
23
Patchy rain possible
11°
24
Partly cloudy
14°
25
Partly cloudy
12°
26
Partly cloudy
12°
27
Heavy rain at times
9°
28
Heavy rain at times
7°
29
Overcast
7°
30
Cloudy
7°
31
Light sleet
9°

Temperatures trend during October in Missoula

See the weather trend as well as the moving average line

October weather in Missoula day by day

Click on a date for more information
September November
Date Weather Temperatures Rain Snow More
Oct. 1 Sunny
Sunny
 25° /7° 0 mm 0 cm
Oct. 2 Sunny
Sunny
 20° /9° 0 mm 0 cm
Oct. 3 Sunny
Sunny
 18° /6° 0 mm 0 cm
Oct. 4 Sunny
Sunny
 22° /5° 0 mm 0 cm
Oct. 5 Sunny
Sunny
 27° /8° 0 mm 0 cm
Oct. 6 Sunny
Sunny
 25° /8° 0 mm 0 cm
Oct. 7 Sunny
Sunny
 28° /8° 0 mm 0 cm
Oct. 8 Sunny
Sunny
 29° /10° 0 mm 0 cm
Oct. 9 Sunny
Sunny
 25° /11° 0 mm 0 cm
Oct. 10 Overcast
Overcast
 20° /7° 0 mm 0 cm
Oct. 11 Overcast
Overcast
 18° /5° 4.1 mm 0 cm
Oct. 12 Overcast
Overcast
 14° /4° 1.7 mm 0 cm
Oct. 13 Sunny
Sunny
 12° /1° 7 mm 5.1 cm
Oct. 14 Partly cloudy
Partly cloudy
 16° /3° 0 mm 0 cm
Oct. 15 Partly cloudy
Partly cloudy
 14° /4° 7.7 mm 0 cm
Oct. 16 Moderate or heavy rain shower
Moderate or heavy rain shower
 13° /3° 2.2 mm 0 cm
Oct. 17 Moderate or heavy rain shower
Moderate or heavy rain shower
 9° /3° 3.3 mm 0 cm
Oct. 18 Cloudy
Cloudy
 10° /1° 0 mm 0 cm
Oct. 19 Cloudy
Cloudy
 11° /5° 4.8 mm 0 cm
Oct. 20 Partly cloudy
Partly cloudy
 14° /2° 2.2 mm 0 cm
Oct. 21 Moderate or heavy rain shower
Moderate or heavy rain shower
 14° /3° 4.2 mm 0 cm
Oct. 22 Sunny
Sunny
 14° /1° 0 mm 0 cm
Oct. 23 Patchy rain possible
Patchy rain possible
 11° /2° 0.2 mm 0 cm
Oct. 24 Partly cloudy
Partly cloudy
 14° /2° 0 mm 0 cm
Oct. 25 Partly cloudy
Partly cloudy
 12° /2° 0.2 mm 0 cm
Oct. 26 Partly cloudy
Partly cloudy
 12° /1° 4 mm 0 cm
Oct. 27 Heavy rain at times
Heavy rain at times
 9° /0° 1.5 mm 0 cm
Oct. 28 Heavy rain at times
Heavy rain at times
 7° /-3° 0.9 mm 0 cm
Oct. 29 Overcast
Overcast
 7° /-2° 0 mm 0 cm
Oct. 30 Cloudy
Cloudy
 7° /-4° 0 mm 0 cm
Oct. 31 Light sleet
Light sleet
 9° /-1° 3.1 mm 0 cm
Next
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
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Missoula in October - FAQ

What are the expected maximum and minimum temperatures in Missoula 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 during October?
Moderate rainfall is anticipated in Missoula 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 in October 2026?
Missoula typically sees 5.1 cm of snowfall during October.

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.

Missoula snow forecast October 2026

Track daily snowfall levels and discover Missoula’s snowy potential this October ❄️
On average, Missoula sees 1 snowy days during October, with approximately 5.1 cm of total snowfall.

October rainfall patterns in Missoula

Explore the daily rainfall trends and prepare for Missoulas October weather 💧
Typically, Missoula has 13 rainy days in October with a total of 77.2 mm of rainfall.

UV exposure in Missoula during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️

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Location coordinates Where is Missoula?

Get accurate weather forecasts for Missoula, located at latitude 46.872 and longitude -113.994. Stay updated with localized weather information tailored for Missoula.

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