Records for San Diego Area, California (SANthr) on 10-20
  Record Highs
  
    - 
      1:  95°F (1964)
    
- 
      2:  94°F (1927)
    
- 
      3:  91°F (2016)
    
 
  Record Lows
  
    - 
      1:  46°F (1949)
    
- 
      2:  47°F (1881)
    
- 
      3:  48°F (1892)
    
 
  Lowest Highs
  
    - 
      1:  70°F (1976)
    
- 
      2:  68°F (1978)
    
- 
      3:  67°F (2020)
    
 
  Highest Lows
  
    - 
      1:  62°F (1916)
    
- 
      2:  63°F (1924)
    
- 
      3:  64°F (1920)
    
 
  Highest October temperature:
  
  107°F on 10-14-1961.
  Lowest October temperature:
  
  43°F on 10-30-1971.
  Average temperature is 67.6°F
  Average high is 74.3°F
  Average low is 60.8°F
 
  Temperature data from 1874 to 2022.
  Record Precipitation
  
    - 
      1:  0.95" (2004)
    
- 
      2:  0.59" (1979)
    
- 
      3:  0.20" (1941)
    
 
  Precipitation data from 1850 to 2022.