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National Weather Service
National Weather Service
Weather Information for Great Falls, Montana
  MAPMAP
Weather Forecast
Issued at 20:39  (Local time)  19 Oct  2018 
Date Temperature oC Weather
Minimum Maximum
20 Oct
( Sat ) 		4 22 Sunny
Sunny
21 Oct
( Sun ) 		2 18 Sunny
Sunny
22 Oct
( Mon ) 		1 17 Sunny
Sunny
23 Oct
( Tue ) 		4 19 Sunny
Sunny
24 Oct
( Wed ) 		4 19 Sunny
Sunny
25 Oct
( Thu ) 		6 17 Mostly Sunny
Mostly Sunny
26 Oct
( Fri ) 		6 14 Partly Sunny then Slight Chance Rain
Partly Sunny then Slight Chance Rain
>> Click here for temperatures in oF
 
Climatological Information
Month Mean Temperature oC Mean Total Rainfall (mm) Mean Number of Rain Days
Daily
Minimum		 Daily
Maximum
Jan -9.5 1.9 13.0 6.8
Feb -8.7 3.5 11.9 7.0
Mar -5.2 7.7 23.1 9.3
Apr -0.8 13.1 36.1 9.4
May 3.7 18.2 61.5 11.7
Jun 7.8 22.9 64.3 11.7
Jul 10.8 28.6 38.1 7.5
Aug 10.2 27.9 39.9 7.9
Sep 5.6 21.3 36.1 7.8
Oct 0.4 14.3 21.8 6.6
Nov -4.8 6.3 15.0 6.7
Dec -9.5 1.4 14.0 7.5
>> Click here for temperatures in oF

Remarks:
* Climatological information is based on monthly averages for the 30-year period 1981-2010.
* Attention: Please note that the averaging period for climatological information and the definition of "Mean Number of Precipitation/Rain Days" quoted in this web site may be different for different countries. Hence, care should be taken when city climatologies are compared.