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.
According to Helena snow forecast for October 2026, no snow is expected at the beginning of the month.Expect cooler weather in first days of October 2026 in Helena with the forecast suggesting a temperature of 21 °F, lower than the historical average.
In general, the average temperature in Helena at the beginning of October is 20.9 °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
23
Dry days
4
Rainy days
4
Snow days
11°/0°
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 |  Sunny | 25° /10° | 0 mm | 0 cm | |
| Oct. 2 |  Overcast | 18° /7° | 0 mm | 0 cm | |
| Oct. 3 | Overcast | 6° /3° | 3 mm | 0 cm | |
| Oct. 4 | Sunny | 17° /0° | 0 mm | 0 cm | |
| Oct. 5 | Sunny | 25° /7° | 0 mm | 0 cm | |
| Oct. 6 | Sunny | 27° /11° | 0 mm | 0 cm | |
| Oct. 7 | Sunny | 28° /12° | 0 mm | 0 cm | |
| Oct. 8 | Sunny | 26° /13° | 0 mm | 0 cm | |
| Oct. 9 | Sunny | 23° /11° | 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 0°.
How much rainfall should be expected in Helena during October?
Significant rainfall exceeding 129.9 mm is expected in Helena during October, occurring over more than 4 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 4 rainy days in October with a total of 129.9 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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