604
CDUS46 KBOI 310121
CLIONO
CLIMATE REPORT
NATIONAL WEATHER SERVICE BOISE ID
721 PM MDT SAT MAY 30 2026
...............................
..THE ONTARIO OR CLIMATE SUMMARY FOR MAY 30 2026
VALID TODAY AS OF 0700 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1945 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 76 315 PM 102 1972 80 -4 91
MINIMUM 54 613 AM 37 1946 52 2 57
1988
AVERAGE 65 66 -1 74
PRECIPITATION (IN)
TODAY 0.00 0.48 2003 0.04 -0.04 0.00
MONTH TO DATE 0.02 1.13 -1.11 0.10
SINCE OCT 1 8.33 8.05 0.28 11.02
SINCE JAN 1 4.79 5.14 -0.35 5.85
DEGREE DAYS
HEATING
TODAY 0 2 -2 0
MONTH TO DATE 79 144 -65 135
SINCE MAR 1 1050 1099 -49 1045
SINCE JUL 1 4687 5166 -479 4974
COOLING
TODAY 0 3 -3 9
MONTH TO DATE 51 52 -1 48
SINCE MAR 1 51 54 -3 48
SINCE JAN 1 51 54 -3 48
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 14.7
RELATIVE HUMIDITY (PERCENT)
HIGHEST 50 500 AM
LOWEST 20 300 PM
AVERAGE 35
......................................................
THE ONTARIO OR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 101 1972
MINIMUM TEMPERATURE (F) 52 34 1990
SUNRISE AND SUNSET
MAY 30 2026...........SUNRISE 609 AM MDT SUNSET 923 PM MDT
MAY 31 2026...........SUNRISE 609 AM MDT SUNSET 923 PM MDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page