Weather History for Great Falls, MT

Change the Weather History Date:

Saturday, September 28, 2013

  Actual Average Record
Temperature  
Mean Temperature 53 °F 52 °F  
Max Temperature 61 °F 65 °F 89 °F (1967)
Min Temperature 45 °F 38 °F 25 °F (1984)
Degree Days  
Heating Degree Days 12 14  
Month to date heating degree days 143 258  
Since 1 July heating degree days 167 379  
Cooling Degree Days 0 0  
Month to date cooling degree days 80 20  
Year to date cooling degree days 449 296  
Growing Degree Days 3 (Base 50)    
Moisture  
Dew Point 36 °F    
Average Humidity 53    
Maximum Humidity 65    
Minimum Humidity 40    
Precipitation  
Precipitation 0.00 in 0.04 in 0.99 in (1954)
Month to date precipitation 0.84 1.34  
Year to date precipitation 9.73 12.67  
Snow  
Snow 0.00 in 0.00 in 6.10 in (1954)
Month to date snowfall T 1.0  
Since 1 July snowfall T 1.3  
Since 1 September snowfall T 1.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.78 in    
Wind  
Wind Speed 20 mph (SW)    
Max Wind Speed 30 mph    
Max Gust Speed 37 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Sep. 28, 2013 Rise Set
Actual Time 7:20 AM MDT 7:10 PM MDT
Civil Twilight 6:50 AM MDT 7:40 PM MDT
Nautical Twilight 6:14 AM MDT 8:16 PM MDT
Astronomical Twilight 5:37 AM MDT 8:53 PM MDT
Moon 12:50 AM MDT (9/28) 3:51 PM MDT (9/28)
Length of Visible Light 12h 50m
Length of Day
11h 49m
Waning Crescent, 35% of the Moon is Illuminated
Sep 28
Waning Crescent
Oct 4
New
Oct 11
First Quarter
Oct 18
Full
Oct 26
Last Quarter

Hourly Weather History & Observations

Time (MDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 46.0 °F 38.8 °F 34.0 °F 63% 29.84 in 10.0 mi SW 18.4 mph 27.6 mph N/A   Clear
1:53 AM 45.0 °F 37.4 °F 34.0 °F 65% 29.84 in 10.0 mi SW 18.4 mph - N/A   Clear
2:53 AM 45.0 °F 37.9 °F 34.0 °F 65% 29.84 in 10.0 mi SW 16.1 mph - N/A   Clear
3:53 AM 45.0 °F 37.6 °F 34.0 °F 65% 29.83 in 10.0 mi SW 17.3 mph - N/A   Clear
4:53 AM 46.9 °F - 35.1 °F 63% 29.83 in 10.0 mi SW 20.7 mph - N/A   Mostly Cloudy
5:53 AM 46.0 °F 39.9 °F 34.0 °F 63% 29.86 in 10.0 mi SW 13.8 mph 23.0 mph N/A   Partly Cloudy
6:53 AM 46.0 °F 39.3 °F 34.0 °F 63% 29.86 in 10.0 mi SW 16.1 mph - N/A   Clear
7:53 AM 48.0 °F - 35.1 °F 61% 29.87 in 10.0 mi SW 16.1 mph - N/A   Partly Cloudy
8:53 AM 50.0 °F - 35.1 °F 57% 29.85 in 10.0 mi SW 20.7 mph 26.5 mph N/A   Overcast
9:53 AM 51.1 °F - 35.1 °F 54% 29.86 in 10.0 mi SW 21.9 mph 29.9 mph N/A   Overcast
10:53 AM 53.1 °F - 35.1 °F 50% 29.85 in 10.0 mi SW 21.9 mph 26.5 mph N/A   Mostly Cloudy
11:53 AM 55.9 °F - 35.1 °F 45% 29.82 in 10.0 mi SW 21.9 mph 29.9 mph N/A   Mostly Cloudy
12:53 PM 55.0 °F - 36.0 °F 49% 29.81 in 10.0 mi SW 23.0 mph 31.1 mph N/A   Mostly Cloudy
1:53 PM 57.9 °F - 36.0 °F 44% 29.77 in 10.0 mi SW 27.6 mph 35.7 mph N/A   Clear
2:53 PM 59.0 °F - 37.0 °F 44% 29.76 in 10.0 mi SW 25.3 mph 34.5 mph N/A   Clear
3:53 PM 61.0 °F - 37.9 °F 42% 29.75 in 10.0 mi SSW 24.2 mph 31.1 mph N/A   Clear
4:53 PM 60.1 °F - 37.9 °F 44% 29.74 in 10.0 mi SW 18.4 mph 27.6 mph N/A   Clear
5:53 PM 60.1 °F - 39.0 °F 46% 29.73 in 10.0 mi SW 18.4 mph 28.8 mph N/A   Clear
6:53 PM 59.0 °F - 37.9 °F 46% 29.71 in 10.0 mi SW 18.4 mph 31.1 mph N/A   Clear
7:53 PM 60.1 °F - 37.0 °F 42% 29.70 in 10.0 mi SSW 19.6 mph 26.5 mph N/A   Clear
8:53 PM 59.0 °F - 37.0 °F 44% 29.68 in 10.0 mi SW 20.7 mph 29.9 mph N/A   Clear
9:53 PM 59.0 °F - 36.0 °F 42% 29.67 in 10.0 mi SW 20.7 mph 28.8 mph N/A   Clear
10:53 PM 59.0 °F - 37.0 °F 44% 29.64 in 10.0 mi SW 21.9 mph 32.2 mph N/A   Clear
11:53 PM 59.0 °F - 37.0 °F 44% 29.62 in 10.0 mi SW 21.9 mph 32.2 mph N/A   Clear