977
CDUS45 KBOI 220221
CLIBOI
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
721 PM MST SUN DEC 21 2025
...............................
..THE BOISE ID CLIMATE SUMMARY FOR DECEMBER 21 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 45 1205 PM 60 1964 38 7 41
MINIMUM 36 642 AM -23 1990 25 11 32
AVERAGE 41 31 10 37
PRECIPITATION (IN)
TODAY 0.88R 0.76 2014 0.05 0.83 0.01
MONTH TO DATE 1.97 1.04 0.93 1.03
SINCE OCT 1 4.05 3.03 1.02 2.66
SINCE JAN 1 12.17 11.01 1.16 13.85
DEGREE DAYS
HEATING
TODAY 24 34 -10 28
MONTH TO DATE 485 679 -194 648
SINCE DEC 1 485 679 -194 648
SINCE JUL 1 1425 1891 -466 1686
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 18 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 7.2
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 400 PM
LOWEST 53 1200 AM
AVERAGE 77
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THE BOISE ID CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 38 65 1964
MINIMUM TEMPERATURE (F) 25 -25 1990
SUNRISE AND SUNSET
DECEMBER 21 2025......SUNRISE 815 AM MST SUNSET 511 PM MST
DECEMBER 22 2025......SUNRISE 815 AM MST SUNSET 512 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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