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Weather in Montana for October 2027

Your guide to Montana weather in October - trends and predictions

    Snow Forecast ❄️

  • With an average of 2 snowy days, Montana usually enjoys a light touch of snow in October.

    • Temperatures

  • In general, the average temperature in Montana at the beginning of October is 18.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 8.2 °C by the end of October.

    • Rain 🌧️

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

    • More

  • Is October a good time to visit Montana? check out the best time to travel to Montana page.

  • ✨ Is October a good time to visit Montana? – Ask the AI Weatherman

Average dry days
26
Dry days
Average rainy days
3
Rainy days
Average snowy days
2
Snow days
Average temperatures
13°/2°
Temperatures
Average wind speed
13 km/h
Avg max wind
Average humidity
55 %
Avg humidity

Montana Weather October

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

What’s the Weather Like in Montana This October?

Discover the average temperatures and weather trends across Montana’s cities this October.
CloudyBozeman13 °C / 2 °CCloudyBillings18 °C / 4 °CCloudyMissoula14 °C / 3 °CCloudyGlacier National Park12 °C / 2 °CCloudyGreat Falls15 °C / 2 °CCloudyButte11 °C / 0 °CCloudyHelena13 °C / 1 °CCloudyBig Sky9 °C / 0 °CMore Locations

Temperatures trend during October in Montana

See the weather trend as well as the moving average line

October weather in Montana day by day

Click on a date for more information
September November
Date Weather Temperatures Rain Snow More
Oct. 1 Sunny
Sunny
 19° /5° 0 mm 0 cm
Oct. 2 Overcast
Overcast
 21° /8° 0 mm 0 cm
Oct. 3 Overcast
Overcast
 19° /5° 0 mm 0 cm
Oct. 4 Moderate rain
Moderate rain
 18° /5° 22.1 mm 0 cm
Oct. 5 Light snow
Light snow
 15° /5° 9.1 mm 4.9 cm
Oct. 6 Sunny
Sunny
 18° /6° 0 mm 0 cm
Oct. 7 Sunny
Sunny
 21° /6° 0 mm 0 cm
Oct. 8 Cloudy
Cloudy
 21° /6° 0 mm 0 cm
Oct. 9 Sunny
Sunny
 25° /8° 0 mm 0 cm
Oct. 10 Patchy rain possible
Patchy rain possible
 18° /6° 2.4 mm 0 cm
Oct. 11 Light snow
Light snow
 13° /4° 9.6 mm 4.9 cm
Oct. 12 Overcast
Overcast
 8° /2° 0.6 mm 0 cm
Oct. 13 Overcast
Overcast
 7° /-1° 0 mm 0 cm
Oct. 14 Sunny
Sunny
 13° /1° 0 mm 0 cm
Oct. 15 Light snow
Light snow
 11° /2° 3.8 mm 1.5 cm
Oct. 16 Patchy rain possible
Patchy rain possible
 12° /2° 2.4 mm 0.4 cm
Oct. 17 Light rain
Light rain
 11° /1° 4.4 mm 0.5 cm
Oct. 18 Light snow
Light snow
 10° /1° 1.9 mm 1.2 cm
Oct. 19 Light rain
Light rain
 14° /2° 5.2 mm 0 cm
Oct. 20 Overcast
Overcast
 13° /4° 0 mm 0 cm
Oct. 21 Cloudy
Cloudy
 16° /3° 0.2 mm 0 cm
Oct. 22 Patchy rain possible
Patchy rain possible
 15° /3° 0.2 mm 0 cm
Oct. 23 Light rain
Light rain
 11° /1° 9.8 mm 1.7 cm
Oct. 24 Light rain
Light rain
 9° /-1° 3.9 mm 0 cm
Oct. 25 Sunny
Sunny
 11° /-1° 0.2 mm 0 cm
Oct. 26 Sunny
Sunny
 10° /-1° 0.3 mm 0 cm
Oct. 27 Light snow
Light snow
 8° /-1° 6.6 mm 3.4 cm
Oct. 28 Overcast
Overcast
 6° /-2° 0.2 mm 0 cm
Oct. 29 Overcast
Overcast
 8° /-4° 0.1 mm 0 cm
Oct. 30 Sunny
Sunny
 7° /-4° 0 mm 0 cm
Oct. 31 Patchy rain possible
Patchy rain possible
 8° /-2° 1 mm 0 cm
Next
Important Notice
Our weather forecast for Montana 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 Montana forecast closer to your planned date for the most up-to-date weather information.
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Montana in October - FAQ

What are the expected maximum and minimum temperatures in Montana during October?
Prepare for cooler days with highs just around 13° and colder nights, dipping below 2°.

How much rainfall should be expected in Montana during October?
Moderate rainfall is anticipated in Montana during October, with a total of 77.2 mm spread over approximately 3 days. Considering plans for rainy days is advisable.

Will it snow in Montana in October 2027?
Montana experiences an average snowfall of 18.1 cm during October, occurring over 2 days.

What are the typical wind conditions in Montana during October?
The average wind speed in Montana during October is 13 km/h, suggesting breezy to windy conditions, depending on your activities.

Montana snow forecast October 2027

Track daily snowfall levels and discover Montana’s snowy potential this October ❄️
On average, Montana sees 2 snowy days during October, with approximately 18.1 cm of total snowfall.

October rainfall patterns in Montana

Explore the daily rainfall trends and prepare for Montanas October weather 💧
Typically, Montana has 3 rainy days in October with a total of 77.2 mm of rainfall.

UV exposure in Montana during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
Counties in Montana
Select a county for an accurate weather forecast
Cascade CountyFlathead CountyGallatin CountyLewis and Clark CountyMissoula CountySilver Bow CountyYellowstone County
Top locations in Montana
Select a location for an accurate weather forecast
Big SkyBillingsBozemanButteGlacier National ParkGreat FallsHelenaMissoula
More Locations
Quick links
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