Records for Portland Area, Maine (PWMthr) on 08-15
  Record Highs
  
    - 
      1:  98°F (1947)
    
 
    - 
      2:  94°F (1959)
    
 
    - 
      3:  92°F (1944)
    
 
  
 
  Record Lows
  
    - 
      1:  44°F (1950)
    
 
    - 
      2:  45°F (1964)
    
 
    - 
      3:  45°F (1961)
    
 
  
 
  Lowest Highs
  
    - 
      1:  70°F (1947)
    
 
    - 
      2:  69°F (2018)
    
 
    - 
      3:  69°F (2002)
    
 
  
 
  Highest Lows
  
    - 
      1:  66°F (2011)
    
 
    - 
      2:  66°F (1973)
    
 
    - 
      3:  68°F (2004)
    
 
  
 
  Highest August temperature:
  
  103°F on 08-02-1975.
  Lowest August temperature:
  
  33°F on 08-31-1965.
  Average temperature is 69.6°F
  Average high is 79.1°F
  Average low is 60.1°F
 
  Temperature data from 1874 to 2022.
  Record Precipitation
  
    - 
      1:  1.47" (2011)
    
 
    - 
      2:  1.47" (1929)
    
 
    - 
      3:  0.83" (1873)
    
 
  
 
  Precipitation data from 1871 to 2022.