260  
CDUS45 KBOI 290931  
CLIBOI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
331 AM MDT MON SEP 29 2025  
   
...............................
 
 
   
..THE BOISE ID CLIMATE SUMMARY FOR SEPTEMBER 28 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1875 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 407 PM 95 1963 75 12 92  
MINIMUM 51 256 AM 30 1881 49 2 59  
AVERAGE 69 62 7 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.34 2014 0.02 -0.02 0.00  
MONTH TO DATE 0.10 0.39 -0.29 0.20  
SINCE OCT 1 11.82 11.47 0.35 15.13  
SINCE JAN 1 7.41 7.94 -0.53 11.19  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2006 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 0  
MONTH TO DATE 7 70 -63 28  
SINCE SEP 1 7 70 -63 28  
SINCE JUL 1 7 83 -76 37  
 
COOLING  
YESTERDAY 4 2 2 11  
MONTH TO DATE 182 117 65 190  
SINCE SEP 1 182 117 65 190  
SINCE JAN 1 1245 1032 213 1418    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 52 300 AM  
LOWEST 16 400 PM  
AVERAGE 34  
   
......................................................
 
 
THE BOISE ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 95 1992  
MINIMUM TEMPERATURE (F) 48 27 1954  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2025.....SUNRISE 740 AM MDT SUNSET 729 PM MDT  
SEPTEMBER 30 2025.....SUNRISE 742 AM MDT SUNSET 727 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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