Records for Ontario Area, Oregon (ONOthr) on 06-19
  Record Highs
  
    - 
      1:  106°F (1961)
    
 
    - 
      2:  105°F (1959)
    
 
    - 
      3:  104°F (1974)
    
 
  
 
  Record Lows
  
    - 
      1:  35°F (1973)
    
 
    - 
      2:  38°F (1995)
    
 
    - 
      3:  42°F (1978)
    
 
  
 
  Lowest Highs
  
    - 
      1:  69°F (1961)
    
 
    - 
      2:  68°F (2021)
    
 
    - 
      3:  68°F (1968)
    
 
  
 
  Highest Lows
  
    - 
      1:  61°F (2013)
    
 
    - 
      2:  64°F (1995)
    
 
    - 
      3:  70°F (1998)
    
 
  
 
  Highest June temperature:
  
  109°F on 06-28-2015.
  Lowest June temperature:
  
  31°F on 06-18-1973.
  Average temperature is 69°F
  Average high is 83.2°F
  Average low is 54.7°F
 
  Temperature data from 1945 to 2022.
  Record Precipitation
  
    - 
      1:  0.73" (1975)
    
 
    - 
      2:  0.21" (2003)
    
 
    - 
      3:  0.21" (1949)
    
 
  
 
  Precipitation data from 1945 to 2022.