Records for Portland Area, Maine (PWMthr) on 10-31
  Record Highs
  
    - 
      1:  80°F (1946)
    
- 
      2:  73°F (1956)
    
- 
      3:  70°F (2005)
    
 
  Record Lows
  
    - 
      1:  18°F (1966)
    
- 
      2:  20°F (1944)
    
- 
      3:  21°F (2020)
    
 
  Lowest Highs
  
    - 
      1:  55°F (2019)
    
- 
      2:  54°F (2021)
    
- 
      3:  53°F (2004)
    
 
  Highest Lows
  
    - 
      1:  41°F (1992)
    
- 
      2:  42°F (1988)
    
- 
      3:  43°F (1986)
    
 
  Highest October temperature:
  
  88°F on 10-07-1963.
  Lowest October temperature:
  
  15°F on 10-28-1976.
  Average temperature is 45.2°F
  Average high is 54.1°F
  Average low is 36.3°F
 
  Temperature data from 1874 to 2022.
  Record Precipitation
  
    - 
      1:  3.05" (1955)
    
- 
      2:  2.51" (1880)
    
- 
      3:  2.17" (1939)
    
 
  Precipitation data from 1871 to 2022.