989  
CDUS45 KBOI 270932  
CLIBOI  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOISE ID  
332 AM MDT SUN SEP 27 2026  
   
...............................  
 
   
..THE BOISE ID CLIMATE SUMMARY FOR SEPTEMBER 26 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1875 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 70 432 PM 93 1963 76 -6 75  
MINIMUM 43 602 AM 28 1934 49 -6 52  
AVERAGE 57 62 -5 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.51 1923 0.02 -0.02 0.00  
MONTH TO DATE 0.36 0.35 0.01 0.10  
SINCE OCT 1 12.21 11.43 0.78 11.82  
SINCE JAN 1 7.86 7.90 -0.04 7.41  
 
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 8 4 4 1  
MONTH TO DATE 45 60 -15 7  
SINCE SEP 1 45 60 -15 7  
SINCE JUL 1 46 73 -27 7  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 83 113 -30 178  
SINCE SEP 1 83 113 -30 178  
SINCE JAN 1 1226 1028 198 1241    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70 700 AM  
LOWEST 23 400 PM  
AVERAGE 47  
   
......................................................  
 
THE BOISE ID CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 95 2022  
MINIMUM TEMPERATURE (F) 49 28 1886  
 
SUNRISE AND SUNSET  
SEPTEMBER 27 2026.....SUNRISE 738 AM MDT SUNSET 733 PM MDT  
SEPTEMBER 28 2026.....SUNRISE 739 AM MDT SUNSET 731 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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