456
CDUS45 KBOI 200129
CLIBOI
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
729 PM MDT FRI SEP 19 2025
...............................
..THE BOISE ID CLIMATE SUMMARY FOR SEPTEMBER 19 2025
VALID TODAY AS OF 0700 PM LOCAL TIME.
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)
TODAY
MAXIMUM 86 540 PM 94 1917 79 7 77
2008
MINIMUM 60 246 AM 31 1978 52 8 52
AVERAGE 73 65 8 65
PRECIPITATION (IN)
TODAY 0.00 0.66 1959 0.02 -0.02 0.00
MONTH TO DATE 0.06 0.24 -0.18 0.20
SINCE OCT 1 11.78 11.32 0.46 15.13
SINCE JAN 1 7.37 7.79 -0.42 11.19
DEGREE DAYS
HEATING
TODAY 0 3 -3 0
MONTH TO DATE 3 34 -31 20
SINCE SEP 1 3 34 -31 20
SINCE JUL 1 3 47 -44 29
COOLING
TODAY 8 3 5 0
MONTH TO DATE 154 97 57 144
SINCE SEP 1 154 97 57 144
SINCE JAN 1 1217 1012 205 1372
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 4.8
RELATIVE HUMIDITY (PERCENT)
HIGHEST 50 300 AM
LOWEST 18 400 PM
AVERAGE 34
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THE BOISE ID CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 94 1922
MINIMUM TEMPERATURE (F) 51 32 1924
SUNRISE AND SUNSET
SEPTEMBER 19 2025.....SUNRISE 729 AM MDT SUNSET 747 PM MDT
SEPTEMBER 20 2025.....SUNRISE 730 AM MDT SUNSET 745 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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