Climatological Report (Daily)
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
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702
CDHW40 PHFO 190245
CLIHNL
CLIMATE REPORT
NATIONAL WEATHER SERVICE HONOLULU HI
445 PM HST MON AUG 18 2025
...................................
...THE HONOLULU HI CLIMATE SUMMARY FOR AUGUST 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 90 329 PM 93 1995 89 1 90
MINIMUM 78 615 AM 66 2009 76 2 76
AVERAGE 84 82 2 83
PRECIPITATION (IN)
TODAY 0.00 0.11 1955 0.03 -0.03 T
MONTH TO DATE T 0.41 -0.41 0.03
SINCE JUN 1 0.15 1.43 -1.28 0.11
SINCE JAN 1 8.88 9.16 -0.28 9.59
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 19 17 2 18
MONTH TO DATE 326 306 20 314
SINCE JUN 1 1341 1281 60 1290
SINCE JAN 1 3250 2850 400 2880
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 11.7
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 76 400 AM
LOWEST 45 300 PM
AVERAGE 61
..........................................................
THE HONOLULU HI CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 93 1994
1995
MINIMUM TEMPERATURE (F) 76 65 2009
SUNRISE AND SUNSET
AUGUST 18 2025........SUNRISE 611 AM HST SUNSET 659 PM HST
AUGUST 19 2025........SUNRISE 612 AM HST SUNSET 658 PM HST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$