Climate almanac
Great Falls
Montana, United States · 47.50°, -111.30°
What is the weather like in Great Falls in October?
In October, Great Falls is typically 59°F (15°C) during the day and 38°F (4°C) at night. The month brings about 1.6 in (40 mm) of precipitation in total. Snowfall averages about 4.5 in (116 mm) over the month.
- Average high59°F (15°C)
- Average low38°F (4°C)
- Precipitation1.6 in (40 mm)
- Clear or mostly clear days12
- Snowfall4.5 in (116 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)