498
CDUS45 KBOI 190224
CLIBOI
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
724 PM MST THU DEC 18 2025
...............................
..THE BOISE ID CLIMATE SUMMARY FOR DECEMBER 18 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 42 537 PM 59 2024 38 4 59
MINIMUM 32 118 AM -5 1924 25 7 36
AVERAGE 37 31 6 48
PRECIPITATION (IN)
TODAY 0.14 0.64 1884 0.05 0.09 0.00
MONTH TO DATE 1.01 0.89 0.12 1.02
SINCE OCT 1 3.09 2.88 0.21 2.65
SINCE JAN 1 11.21 10.86 0.35 13.84
DEGREE DAYS
HEATING
TODAY 28 34 -6 17
MONTH TO DATE 418 577 -159 571
SINCE DEC 1 418 577 -159 571
SINCE JUL 1 1358 1789 -431 1609
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1255 1044 211 1432
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 11.6
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 1100 AM
LOWEST 46 800 AM
AVERAGE 69
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THE BOISE ID CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 38 60 1917
MINIMUM TEMPERATURE (F) 25 -6 1984
SUNRISE AND SUNSET
DECEMBER 18 2025......SUNRISE 813 AM MST SUNSET 510 PM MST
DECEMBER 19 2025......SUNRISE 814 AM MST SUNSET 510 PM MST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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