Records for Ontario Area, Oregon (ONOthr) on 03-16
  Record Highs
  
    - 
      1:  74°F (1972)
    
- 
      2:  69°F (2007)
    
- 
      3:  67°F (2004)
    
 
  Record Lows
  
    - 
      1:  16°F (1977)
    
- 
      2:  20°F (1980)
    
- 
      3:  20°F (1958)
    
 
  Lowest Highs
  
    - 
      1:  48°F (2015)
    
- 
      2:  45°F (2012)
    
- 
      3:  45°F (1968)
    
 
  Highest Lows
  
    - 
      1:  43°F (1971)
    
- 
      2:  43°F (1951)
    
- 
      3:  44°F (1993)
    
 
  Highest March temperature:
  
  85°F on 03-30-1966.
  Lowest March temperature:
  
  9°F on 03-11-1948.
  Average temperature is 44.2°F
  Average high is 56.2°F
  Average low is 32.2°F
 
  Temperature data from 1945 to 2022.
  Record Precipitation
  
    - 
      1:  0.61" (1993)
    
- 
      2:  0.54" (1979)
    
- 
      3:  0.27" (2011)
    
 
  Precipitation data from 1945 to 2022.