Records for Ontario Area, Oregon (ONOthr) on 07-18
  Record Highs
  
    - 
      1:  109°F (1960)
    
 
    - 
      2:  106°F (2003)
    
 
    - 
      3:  106°F (1979)
    
 
  
 
  Record Lows
  
    - 
      1:  43°F (1987)
    
 
    - 
      2:  44°F (1986)
    
 
    - 
      3:  44°F (1957)
    
 
  
 
  Lowest Highs
  
    - 
      1:  73°F (1998)
    
 
    - 
      2:  72°F (1951)
    
 
    - 
      3:  71°F (2002)
    
 
  
 
  Highest Lows
  
    - 
      1:  70°F (1987)
    
 
    - 
      2:  80°F (2001)
    
 
    - 
      3:  81°F (1993)
    
 
  
 
  Highest July temperature:
  
  113°F on 07-12-1967.
  Lowest July temperature:
  
  34°F on 07-05-1986.
  Average temperature is 77.8°F
  Average high is 94.7°F
  Average low is 60.9°F
 
  Temperature data from 1945 to 2022.
  Record Precipitation
  
    - 
      1:  0.37" (1976)
    
 
    - 
      2:  0.10" (1979)
    
 
    - 
      3:  0.00" (2004)
    
 
  
 
  Precipitation data from 1945 to 2022.