Helena (MT)
October
Weather in Helena, Montana for October 2026
Your guide to Helena weather in October - trends and predictions
With an average of 4 snowy days, Helena usually enjoys a light touch of snow in October.
In general, the average temperature in Helena at the beginning of October is 14.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 8 °F by the end of October.
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Snow Forecast ❄️
Temperatures
More
22
Dry days
5
Rainy days
4
Snow days
11°/1°
Temperatures
16 km/h
Avg max wind
62 %
Avg humidity
Helena Weather October
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Temperatures trend during October in Helena
See the weather trend as well as the moving average line
October weather in Helena day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Oct. 1 |  Cloudy | 19° /9° | 0 mm | 0 cm | |
| Oct. 2 |  Overcast | 20° /7° | 0 mm | 0 cm | |
| Oct. 3 |  Moderate or heavy rain shower | 13° /8° | 16.7 mm | 0 cm | |
| Oct. 4 | Overcast | 13° /5° | 0 mm | 0 cm | |
| Oct. 5 |  Moderate snow | 3° /-3° | 6.6 mm | 4.8 cm | |
| Oct. 6 |  Mist | 13° /-5° | 0 mm | 0 cm | |
| Oct. 7 |  Sunny | 20° /1° | 0 mm | 0 cm | |
| Oct. 8 | Sunny | 20° /3° | 0 mm | 0 cm | |
| Oct. 9 | Sunny | 20° /4° | 0 mm | 0 cm | |
| Oct. 10 |  Partly cloudy | 24° /5° | 0 mm | 0 cm | |
| Oct. 11 | Overcast | 12° /2° | 19.2 mm | 0 cm | |
| Oct. 12 | Moderate or heavy rain shower | 7° /-3° | 15.7 mm | 5.5 cm | |
| Oct. 13 |  Heavy snow | 0° /-5° | 32.2 mm | 23.3 cm | |
| Oct. 14 | Mist | 4° /-2° | 2.2 mm | 0 cm | |
| Oct. 15 | Heavy snow | 3° /0° | 33.4 mm | 9.9 cm | |
| Oct. 16 | Overcast | 9° /1° | 0 mm | 0 cm | |
| Oct. 17 | Overcast | 11° /0° | 0 mm | 0 cm | |
| Oct. 18 | Overcast | 9° /-1° | 0 mm | 0 cm | |
| Oct. 19 | Moderate rain at times | 9° /2° | 3.6 mm | 0 cm | |
| Oct. 20 | Cloudy | 8° /0° | 0 mm | 0 cm | |
| Oct. 21 | Sunny | 14° /0° | 0 mm | 0 cm | |
| Oct. 22 | Sunny | 16° /0° | 0 mm | 0 cm | |
| Oct. 23 | Cloudy | 13° /2° | 0 mm | 0 cm | |
| Oct. 24 | Overcast | 17° /1° | 0 mm | 0 cm | |
| Oct. 25 | Overcast | 13° /3° | 0 mm | 0 cm | |
| Oct. 26 | Partly cloudy | 7° /1° | 0 mm | 0 cm | |
| Oct. 27 | Overcast | 4° /-5° | 0 mm | 0 cm | |
| Oct. 28 |  Patchy rain possible | 8° /-3° | 0.2 mm | 0 cm | |
| Oct. 29 | Partly cloudy | 9° /-3° | 0 mm | 0 cm | |
| Oct. 30 | Sunny | 7° /-5° | 0 mm | 0 cm | |
| Oct. 31 | Overcast | 8° /-5° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Helena 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 Helena forecast closer to your planned date for the most up-to-date weather information.
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Helena in October - FAQ
What are the expected maximum and minimum temperatures in Helena during October?
Prepare for cooler days with highs just around 11° and colder nights, dipping below 1°.
How much rainfall should be expected in Helena during October?
Significant rainfall exceeding 130.1 mm is expected in Helena during October, occurring over more than 5 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Helena in October 2026?
Helena experiences an average snowfall of 43.4 cm during October, occurring over 4 days.
What are the typical wind conditions in Helena during October?
The average wind speed in Helena during October is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
Helena snow forecast October 2026
Track daily snowfall levels and discover Helena’s snowy potential this October ❄️
On average, Helena sees 4 snowy days during October, with approximately 43.4 cm of total snowfall.
October rainfall patterns in Helena
Explore the daily rainfall trends and prepare for Helenas October weather 💧
Typically, Helena has 5 rainy days in October with a total of 130.1 mm of rainfall.
UV exposure in Helena during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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