Records for Hillsboro Area, Oregon (HIOthr) on 08-25
  Record Highs
  
    - 
      1:  96°F (2016)
    
- 
      2:  96°F (2010)
    
- 
      3:  96°F (1982)
    
 
  Record Lows
  
    - 
      1:  39°F (1930)
    
- 
      2:  42°F (2018)
    
- 
      3:  43°F (1993)
    
 
  Lowest Highs
  
    - 
      1:  70°F (1958)
    
- 
      2:  63°F (2011)
    
- 
      3:  63°F (1996)
    
 
  Highest Lows
  
    - 
      1:  59°F (1977)
    
- 
      2:  65°F (1960)
    
- 
      3:  66°F (1956)
    
 
  Highest August temperature:
  
  106°F on 08-17-1977.
  Lowest August temperature:
  
  30°F on 08-30-1930.
  Average temperature is 66.1°F
  Average high is 81.3°F
  Average low is 50.9°F
 
  Temperature data from 1929 to 2022.
  Record Precipitation
  
    - 
      1:  1.03" (1977)
    
- 
      2:  0.79" (1956)
    
- 
      3:  0.61" (1968)
    
 
  Precipitation data from 1929 to 2022.