Records for Ontario Area, Oregon (ONOthr) on 04-27
  Record Highs
  
    - 
      1:  93°F (1987)
    
- 
      2:  88°F (2018)
    
- 
      3:  83°F (1980)
    
 
  Record Lows
  
    - 
      1:  26°F (2011)
    
- 
      2:  26°F (1996)
    
- 
      3:  27°F (1970)
    
 
  Lowest Highs
  
    - 
      1:  50°F (2016)
    
- 
      2:  50°F (2006)
    
- 
      3:  50°F (2001)
    
 
  Highest Lows
  
    - 
      1:  52°F (1978)
    
- 
      2:  54°F (1970)
    
- 
      3:  56°F (2017)
    
 
  Highest April temperature:
  
  94°F on 04-24-1977.
  Lowest April temperature:
  
  17°F on 04-06-1956.
  Average temperature is 53.7°F
  Average high is 66.8°F
  Average low is 40.6°F
 
  Temperature data from 1945 to 2022.
  Record Precipitation
  
    - 
      1:  0.86" (1990)
    
- 
      2:  0.50" (1953)
    
- 
      3:  0.46" (1967)
    
 
  Precipitation data from 1945 to 2022.