Records for Boise Area, Idaho (BOIthr) on 10-15
  Record Highs
  
    - 
      1:  87°F (1991)
    
 
    - 
      2:  84°F (1927)
    
 
    - 
      3:  83°F (1963)
    
 
  
 
  Record Lows
  
    - 
      1:  21°F (1992)
    
 
    - 
      2:  23°F (1890)
    
 
    - 
      3:  24°F (1880)
    
 
  
 
  Lowest Highs
  
    - 
      1:  59°F (1886)
    
 
    - 
      2:  55°F (2012)
    
 
    - 
      3:  54°F (1963)
    
 
  
 
  Highest Lows
  
    - 
      1:  44°F (1938)
    
 
    - 
      2:  46°F (1930)
    
 
    - 
      3:  47°F (1878)
    
 
  
 
  Highest October temperature:
  
  94°F on 10-01-1997.
  Lowest October temperature:
  
  11°F on 10-29-1971.
  Average temperature is 53.6°F
  Average high is 65.4°F
  Average low is 41.8°F
 
  Temperature data from 1875 to 2022.
  Record Precipitation
  
    - 
      1:  0.82" (1918)
    
 
    - 
      2:  0.63" (1883)
    
 
    - 
      3:  0.33" (2006)
    
 
  
 
  Precipitation data from 1878 to 2022.