Records for San Diego Area, California (SANthr) on 10-31
  Record Highs
  
    - 
      1:  90°F (1918)
    
- 
      2:  88°F (1980)
    
- 
      3:  86°F (1930)
    
 
  Record Lows
  
    - 
      1:  44°F (2019)
    
- 
      2:  45°F (1894)
    
- 
      3:  46°F (1916)
    
 
  Lowest Highs
  
    - 
      1:  67°F (2014)
    
- 
      2:  67°F (1983)
    
- 
      3:  63°F (2017)
    
 
  Highest Lows
  
    - 
      1:  60°F (1886)
    
- 
      2:  62°F (1916)
    
- 
      3:  62°F (1908)
    
 
  Highest October temperature:
  
  107°F on 10-14-1961.
  Lowest October temperature:
  
  43°F on 10-30-1971.
  Average temperature is 66°F
  Average high is 73.4°F
  Average low is 58.5°F
 
  Temperature data from 1874 to 2022.
  Record Precipitation
  
    - 
      1:  1.01" (1927)
    
- 
      2:  0.52" (1987)
    
- 
      3:  0.16" (1933)
    
 
  Precipitation data from 1850 to 2022.