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
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