October weather forecast
Montana, USA

October brings a more pronounced shift to autumn in Montana, with temperatures continuing to drop and weather conditions becoming more variable. The western and eastern parts of the state experience different climates, reflecting the influence of the Continental Divide and varying topography.

The minimum temperature in October ranges from 30°F (-1.1°C) to 40°F (4.4°C), and the maximum temperature generally falls between 50°F (10°C) and 60°F (15.6°C). The drop in temperature becomes more significant, and frost becomes common, especially in the eastern parts of Montana.

Snow becomes a possibility in October, particularly in the mountainous regions. Rainfall may increase, and the weather can shift rapidly, reflecting the changeable nature of autumn in Montana.

Compared to September, October sees further cooling, with shorter days and more variable weather. The landscapes continue their transformation, with fall colors becoming more prominent, and the first hints of winter appearing in the higher elevations.

Outdoor activities remain possible in October, though the weather may be less predictable. Tourism numbers decrease, reflecting the seasonal shift, and accommodations may be easier to find. The natural parks and outdoor recreation areas continue to offer scenic beauty, enhanced by the colors and textures of autumn.

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• Billings - October »
  In Billings, in October, during 2.7 snowfall days, 1.85" (47mm) of snow is typically accumulated. In Billings, in October, snow falls for 2.7 days, with typically accumulated 1.85" (47mm) of snow.
• Missoula - October »
  In Missoula, during October, snow falls for 1.5 days and regularly aggregates up to 0.59" (15mm) of snow. In October, in Missoula the rain falls for 5.2 days.
• Great Falls - October »
  In Great Falls, in October, during 2.8 snowfall days, 0.91" (23mm) of snow is typically accumulated. In Great Falls during October, the rain falls for 5.8 days and regularly aggregates up to 0.28" (7mm) of precipitation.
• Bozeman - October »
  In Bozeman during October, snow falls for 8.8 days and regularly aggregates up to 7.17" (182mm) of snow. In Bozeman, during October, the rain falls for 12 days and regularly aggregates up to 1.85" (47mm) of precipitation.
• Butte - October »
  In Butte in October, during 8 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Butte, in October, it is raining for 8 days, with typically 0.87" (22mm) of accumulated precipitation.
• Helena - October »
  In Helena, during October, snow falls for 4.6 days and regularly aggregates up to 2.72" (69mm) of snow. In Helena, during October, the rain falls for 10 days and regularly aggregates up to 0.83" (21mm) of precipitation.
• Kalispell - October »
  In Kalispell, in October, snow falls for 3.9 days, with typically accumulated 1.26" (32mm) of snow. In Kalispell in October, it is raining for 13.5 days, with typically 1.42" (36mm) of accumulated precipitation.
• Havre - October »
  In Havre, in October, snow falls for 1.8 days, with typically accumulated 2.4" (61mm) of snow. In Havre in October, it is raining for 5.4 days, with typically 0.63" (16mm) of accumulated precipitation.
• Anaconda - October »
  In Anaconda, in October, snow falls for 7 days, with typically accumulated 4.33" (110mm) of snow. In Anaconda during October, the rain falls for 12 days and regularly aggregates up to 1.18" (30mm) of precipitation.
• Miles City - October »
  October's onset in Miles City witnesses a marked shift in the average high-temperature, moving from a warm 74.3°F (23.5°C) in September to a refreshing 56.5°F (13.6°C). In Miles City, during October, the rain falls for 6 days and regularly aggregates up to 0.39" (10mm) of precipitation.
• Belgrade - October »
  In Belgrade, in October, during 5.7 snowfall days, 3.27" (83mm) of snow is typically accumulated. On the first day of October in Belgrade, Montana, sunrise is at 7:23 am and sunset at 7:05 pm.
• Livingston - October »
  Livingston, Montana, in October demonstrates a small temperature transition, adjusting from an average high of an agreeable 73°F (22.8°C) in September to a moderate 60.1°F (15.6°C). October witnesses a discernable change in Livingston, Montana's weather dynamics as winter edges closer.