Measurements:
°C
°F
Great Falls
90°F
E 6 mph
Feels like: 90°F
Precip: 1%
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
August 21 days
September 21 days
The most warm months:
July 87.7 °F
August 85.2 °F
September 77.1 °F
The most cold months:
February 28.8 °F
January 30.2 °F
December 32.6 °F
The most rainy months:
May 3 days
June 2 days
April 1 day
The most windy months:
November 9 mph
February 9 mph
December 9 mph

Great Falls on the Weather Map

USA Resorts:
NAME
Boston +92
Chicago +86
Hawaii +80
Houston +80
Las Vegas +120
Los Angeles +106
Maui +76
Miami +96
Myrtle Beach +96
New York +110
San Diego +96
San Francisco +76
Santa Monica +84
Sarasota +102
Tampa +100
24 Hours Weather Forecast
Great Falls
Local time: 13:08
15 jul, wednesday
1500 96°F
S
6 mph
1800 94°F
S
11 mph
2100 88°F
SW
2 mph
16 jul, thursday
0000 74°F
N
4 mph
0300 68°F
NE
4 mph
0600 66°F
N
4 mph
0900 78°F
NE
2 mph
1200 92°F
W
8 mph