Typical Weather in Great Falls, MT in October

59° F Avg High

37° F Avg Low

3 Rainy Days

☀️ Temperature Summary

Highs in October are typically around 59°F, which is cooler than usual in Great Falls. You can expect overnight lows near 37°F most days. Temperatures will usually fall as the month goes on, with daily high temperatures ranging between 66°F and 52°F.

October is a great time to visit Great Falls, with mild temperatures and sunny days being very common.

High Temps Throughout the Year

☔ Rain Summary

You can expect about a 9% chance of rain for any given day in October. It's one of the drier months of the year for Great Falls, with total rainfall for the month around 1 inches.

Rainfall Throughout the Year

Planning a trip to Great Falls? Try our free trip weather planner

📍 Nearby Cities in October

64°F / 35°F
65°F / 40°F
59°F / 33°F
68°F / 37°F
57°F / 28°F
61°F / 35°F

📅 Year Round Weather in Great Falls

38°F / 19°F
36°F / 16°F
49°F / 26°F
58°F / 33°F
67°F / 42°F
76°F / 50°F
87°F / 56°F
84°F / 53°F
73°F / 45°F
59°F / 37°F
46°F / 27°F
34°F / 18°F
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