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Weather in Missoula County, Montana for October 2025

Your guide to Missoula County weather in October - trends and predictions

    Temperatures

  • Until now, October 2025 in Missoula County is cooler than usual, with temperatures averaging 13.9 °F, this is -3.3 °F below the typical seasonal average.

  • Expect cooler weather in the next days in Missoula County with the forecast suggesting a temperature of 13.3 °F, lower than the historical average.

  • In general, the average temperature in Missoula County at the beginning of October is 17.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 13.6 °F by the end of October.

    • Rain 🌧️

  • Missoula County experiences moderate rainfall in October, with an average of 7 rainy days and a total precipitation of 31.4 mm.

    • More

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

Average dry days
24
Dry days
Average rainy days
7
Rainy days
Average snowy days
0
Snow days
Average temperatures
16°/3°
Temperatures
Average wind speed
10 km/h
Avg max wind
Average humidity
52 %
Avg humidity

Missoula County Weather October

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

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
September November
Date Weather Temperatures Rain Snow More
Oct. 1 Sunny
Sunny
 20° /7° 0 mm 0 cm
Oct. 2 Partly cloudy
Partly cloudy
 17° /8° 0 mm 0 cm
Oct. 3 Sunny
Sunny
 15° /6° 28.5 mm 0 cm
Oct. 4 Overcast
Overcast
 18° /5° 1.6 mm 0 cm
Oct. 5 Partly cloudy
Partly cloudy
 12° /4° 0 mm 0 cm
Oct. 6 Partly cloudy
Partly cloudy
 19° /2° 0 mm 0 cm
Oct. 7 Partly cloudy
Partly cloudy
 21° /5° 0 mm 0 cm
Oct. 8 Sunny
Sunny
 23° /6° 0 mm 0 cm
Oct. 9 Overcast
Overcast
 23° /6° 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 Sunny
Sunny
 13° /2° 0 mm 0 cm
Oct. 19 Patchy rain possible
Patchy rain possible
 9° /5° 3.1 mm 0 cm
Oct. 20 Overcast
Overcast
 8° /3° 0 mm 0 cm
Oct. 21 Sunny
Sunny
 13° /-1° 0 mm 0 cm
Oct. 22 Sunny
Sunny
 16° /-4° 0 mm 0 cm
Oct. 23 Sunny
Sunny
 15° /-1° 0 mm 0 cm
Oct. 24 Partly cloudy
Partly cloudy
 17° /1° 0 mm 0 cm
Oct. 25 Patchy rain possible
Patchy rain possible
 10° /-2° 0.4 mm 0 cm
Oct. 26 Sunny
Sunny
 9° /-5° 0 mm 0 cm
Oct. 27 Partly cloudy
Partly cloudy
 10° /-6° 0 mm 0 cm
Oct. 28 Cloudy
Cloudy
 16° /3° 0 mm 0 cm
Oct. 29 Sunny
Sunny
 20° /2° 0 mm 0 cm
Oct. 30 Sunny
Sunny
 16° /3° 0 mm 0 cm
Oct. 31 Sunny
Sunny
 14° /0° 0 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.
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Missoula County in October - FAQ

What are the expected maximum and minimum temperatures in Missoula County 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 County during October?
In October, Missoula County 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 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 2025

Track daily snowfall levels and discover Missoula County’s snowy potential this October ❄️

October rainfall patterns in Missoula County

Explore the daily rainfall trends and prepare for Missoula Countys October weather 💧

UV exposure in Missoula County 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 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.

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