Records for Waterloo Area, Iowa (ALOthr) on 10-15
  Record Highs
  
    - 
      1:  85°F (1963)
    
- 
      2:  85°F (1953)
    
- 
      3:  85°F (1899)
    
 
  Record Lows
  
    - 
      1:  21°F (1937)
    
- 
      2:  25°F (2006)
    
- 
      3:  25°F (1952)
    
 
  Lowest Highs
  
    - 
      1:  66°F (1968)
    
- 
      2:  60°F (1963)
    
- 
      3:  60°F (1920)
    
 
  Highest Lows
  
    - 
      1:  40°F (1943)
    
- 
      2:  42°F (1937)
    
- 
      3:  43°F (2009)
    
 
  Highest October temperature:
  
  95°F on 10-03-1997.
  Lowest October temperature:
  
  0°F on 10-30-1925.
  Average temperature is 52.1°F
  Average high is 63.6°F
  Average low is 40.6°F
 
  Temperature data from 1895 to 2022.
  Record Precipitation
  
    - 
      1:  0.73" (1920)
    
- 
      2:  0.69" (1989)
    
- 
      3:  0.64" (1984)
    
 
  Precipitation data from 1895 to 2022.