Measurements:
°C
°F
Great Falls
-8°F
SW 3 mph
Feels like: -8°F
Precip: 0%
World Resorts USA Great Falls Weather October Weather in Great Falls

Great Falls Weather: October

Average Day Temperature: 57.1°F
Average Night Temperature: 38.6°F
Number of Sunny Days: 18 days
Sunshine Hours: 10.0 - 11.6 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.5 in

Air Temperature in October, °F

Select Year: 2025 2024 2023

The highest day temperature in October 2025 was 76°F. The lowest night temperature was 23°F. The average values for day and night temperatures during October were 57.8°F и 39.4°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in October are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in October, in

Precipitation total in October for Great Falls is 0.5 in.

Wind Speed in October, mph

The average wind speed in October is 8.3 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Great Falls in October is 7.4 hours.

Best Time to Visit Great Falls
The most sunny months:
July 22 days
September 21 days
August 21 days
The most warm months:
July 87.7 °F
August 85.2 °F
September 77.1 °F
The most cold months:
February 26.3 °F
January 30.2 °F
December 32.6 °F
The most rainy months:
May 3 days
June 2 days
September 1 day
The most windy months:
November 9 mph
February 9 mph
December 9 mph

Great Falls on the Weather Map

USA Resorts:
NAME
Chicago +28
Hawaii +70
Honolulu +70
Houston +74
Las Vegas +42
Los Angeles +48
Maui +66
Miami +86
Miami Beach +78
New York +42
San Diego +50
San Francisco +46
Sarasota +74
Tampa +78
Washington +48
24 Hours Weather Forecast
Great Falls
Local time: 08:59
21 feb, saturday
0900 -8°F
SW
3 mph
1200 2°F
SW
7 mph
1500 16°F
SW
8 mph
1800 18°F
SW
7 mph
2100 6°F
S
3 mph
22 feb, sunday
0000 6°F
E
1 mph
0300 4°F
E
1 mph
0600 6°F
SW
1 mph