Records for Hillsboro Area, Oregon (HIOthr) on 03-16
  Record Highs
  
    - 
      1:  78°F (1947)
    
 
    - 
      2:  74°F (1972)
    
 
    - 
      3:  71°F (2007)
    
 
  
 
  Record Lows
  
    - 
      1:  24°F (2021)
    
 
    - 
      2:  26°F (1955)
    
 
    - 
      3:  27°F (1943)
    
 
  
 
  Lowest Highs
  
    - 
      1:  49°F (1932)
    
 
    - 
      2:  47°F (1992)
    
 
    - 
      3:  46°F (1974)
    
 
  
 
  Highest Lows
  
    - 
      1:  44°F (2011)
    
 
    - 
      2:  44°F (2002)
    
 
    - 
      3:  44°F (2001)
    
 
  
 
  Highest March temperature:
  
  83°F on 03-28-1930.
  Lowest March temperature:
  
  18°F on 03-01-1960.
  Average temperature is 46.4°F
  Average high is 56°F
  Average low is 36.7°F
 
  Temperature data from 1929 to 2022.
  Record Precipitation
  
    - 
      1:  0.93" (1938)
    
 
    - 
      2:  0.65" (1950)
    
 
    - 
      3:  0.48" (1989)
    
 
  
 
  Precipitation data from 1929 to 2022.