Records for Ontario Area, Oregon (ONOthr) on 08-25
  Record Highs
  
    - 
      1:  104°F (1969)
    
 
    - 
      2:  104°F (1958)
    
 
    - 
      3:  103°F (1966)
    
 
  
 
  Record Lows
  
    - 
      1:  37°F (1992)
    
 
    - 
      2:  37°F (1960)
    
 
    - 
      3:  40°F (1975)
    
 
  
 
  Lowest Highs
  
    - 
      1:  68°F (2022)
    
 
    - 
      2:  65°F (1961)
    
 
    - 
      3:  64°F (2011)
    
 
  
 
  Highest Lows
  
    - 
      1:  65°F (1977)
    
 
    - 
      2:  66°F (1954)
    
 
    - 
      3:  70°F (1989)
    
 
  
 
  Highest August temperature:
  
  113°F on 08-04-1961.
  Lowest August temperature:
  
  33°F on 08-28-1960.
  Average temperature is 71.6°F
  Average high is 88.7°F
  Average low is 54.4°F
 
  Temperature data from 1945 to 2022.
  Record Precipitation
  
    - 
      1:  0.16" (1961)
    
 
    - 
      2:  0.13" (2014)
    
 
    - 
      3:  0.05" (2004)
    
 
  
 
  Precipitation data from 1945 to 2022.