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Cascade County (Great Falls)
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Weather in Cascade County, Montana for October 2026

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

    Snow Forecast ❄️

  • With an average of 3 snowy days, Cascade County usually enjoys a light touch of snow in October.

    • Temperatures

  • In general, the average temperature in Cascade County at the beginning of October is 16.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 10.9 °F by the end of October.

    • Rain 🌧️

  • With an average of 3 rainy days, Cascade County experiences minimal rainfall in October.

    • More

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

Average dry days
25
Dry days
Average rainy days
3
Rainy days
Average snowy days
3
Snow days
Average temperatures
13°/2°
Temperatures
Average wind speed
24 km/h
Avg max wind
Average humidity
64 %
Avg humidity

Cascade County Weather October

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

Temperatures trend during October in Cascade County

See the weather trend as well as the moving average line

October weather in Cascade County day by day

Click on a date for more information
September November
Date Weather Temperatures Rain Snow More
Oct. 1 Sunny
Sunny
 22° /8° 0 mm 0 cm
Oct. 2 Overcast
Overcast
 22° /7° 0 mm 0 cm
Oct. 3 Heavy rain at times
Heavy rain at times
 12° /8° 26.4 mm 0 cm
Oct. 4 Mist
Mist
 13° /7° 0 mm 0 cm
Oct. 5 Heavy snow
Heavy snow
 7° /-1° 29.8 mm 8 cm
Oct. 6 Overcast
Overcast
 15° /-2° 0 mm 0 cm
Oct. 7 Sunny
Sunny
 22° /1° 0 mm 0 cm
Oct. 8 Sunny
Sunny
 22° /4° 0 mm 0 cm
Oct. 9 Sunny
Sunny
 18° /2° 0 mm 0 cm
Oct. 10 Mist
Mist
 26° /4° 0 mm 0 cm
Oct. 11 Overcast
Overcast
 15° /6° 13.4 mm 0 cm
Oct. 12 Moderate snow
Moderate snow
 8° /0° 15 mm 9.2 cm
Oct. 13 Overcast
Overcast
 1° /-2° 3.8 mm 2.8 cm
Oct. 14 Mist
Mist
 4° /0° 0 mm 0 cm
Oct. 15 Moderate rain
Moderate rain
 5° /1° 33.2 mm 0 cm
Oct. 16 Fog
Fog
 10° /0° 0 mm 0 cm
Oct. 17 Overcast
Overcast
 12° /1° 0 mm 0 cm
Oct. 18 Overcast
Overcast
 11° /-1° 0 mm 0 cm
Oct. 19 Overcast
Overcast
 12° /5° 0 mm 0 cm
Oct. 20 Thundery outbreaks possible
Thundery outbreaks possible
 10° /3° 0 mm 0 cm
Oct. 21 Partly cloudy
Partly cloudy
 15° /2° 0 mm 0 cm
Oct. 22 Sunny
Sunny
 18° /-1° 0 mm 0 cm
Oct. 23 Sunny
Sunny
 16° /1° 0 mm 0 cm
Oct. 24 Cloudy
Cloudy
 18° /4° 0 mm 0 cm
Oct. 25 Overcast
Overcast
 15° /5° 0 mm 0 cm
Oct. 26 Cloudy
Cloudy
 10° /1° 0 mm 0 cm
Oct. 27 Overcast
Overcast
 7° /-2° 0 mm 0 cm
Oct. 28 Sunny
Sunny
 8° /-4° 0 mm 0 cm
Oct. 29 Overcast
Overcast
 14° /-2° 0 mm 0 cm
Oct. 30 Sunny
Sunny
 8° /-3° 0 mm 0 cm
Oct. 31 Sunny
Sunny
 14° /-4° 0 mm 0 cm
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Important Notice
Our weather forecast for Cascade 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 Cascade County forecast closer to your planned date for the most up-to-date weather information.
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Cascade County in October - FAQ

What are the expected maximum and minimum temperatures in Cascade County during October?

Prepare for cooler days with highs just around 13° and colder nights, dipping below 2°.

How much rainfall should be expected in Cascade County during October?

Significant rainfall exceeding 121.6 mm is expected in Cascade County during October, occurring over more than 3 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Cascade County in October 2026?

Cascade County experiences an average snowfall of 20 cm during October, occurring over 3 days.

What are the typical wind conditions in Cascade County during October?

The average wind speed in Cascade County during October is 24 km/h, suggesting breezy to windy conditions, depending on your activities.

Cascade County snow forecast October 2026

Track daily snowfall levels and discover Cascade County’s snowy potential this October ❄️
On average, Cascade County sees 3 snowy days during October, with approximately 20 cm of total snowfall.

October rainfall patterns in Cascade County

Explore the daily rainfall trends and prepare for Cascade Countys October weather 💧
Typically, Cascade County has 3 rainy days in October with a total of 121.6 mm of rainfall.

UV exposure in Cascade County during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
Top locations in Cascade County
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Great Falls
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Location coordinates Where is Cascade County?

Get accurate weather forecasts for Cascade County, located at latitude 47.5 and longitude -111.301. Stay updated with localized weather information tailored for Cascade County.

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