870
CDHW40 PHFO 190245
CLIHNL
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
445 PM HST THU SEP 18 2025
...............................
..THE HONOLULU CLIMATE SUMMARY FOR SEPTEMBER 18 2025
VALID TODAY AS OF 0425 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1940 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 89 1136 AM 92 1985 88 1 90
1995
MINIMUM 78 652 AM 68 1979 75 3 77
AVERAGE 84 82 2 84
PRECIPITATION (IN)
TODAY 0.00 0.19 1951 0.02 -0.02 T
MONTH TO DATE 0.57 0.56 0.01 0.01
SINCE SEP 1 0.57 0.56 0.01 0.01
SINCE JAN 1 9.45 10.15 -0.70 9.72
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 19 16 3 19
MONTH TO DATE 320 305 15 320
SINCE SEP 1 320 305 15 320
SINCE JAN 1 3805 3382 423 3427
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 15.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 69 100 AM
LOWEST 50 1100 AM
AVERAGE 60
......................................................
THE HONOLULU CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 95 1994
MINIMUM TEMPERATURE (F) 75 68 1945
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 1016 AM HDT SUNSET 1028 PM HDT
SEPTEMBER 19 2025.....SUNRISE 1016 AM HDT SUNSET 1027 PM HDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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