558
CDGM40 PGUM 250646
CLIGUM
CLIMATE REPORT
NATIONAL WEATHER SERVICE TIYAN GUAM
446 PM CHST TUE AUG 25 2026
...............................
...THE GUAM INTERNATIONAL AIRPORT CLIMATE SUMMARY FOR AUGUST 25 2026...
VALID TODAY AS OF 0400 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 88 11:31 AM 92 1969 87 1 88
1983
MINIMUM 77 5:59 AM 72 1954 76 1 77
1986
AVERAGE 83 82 1 83
PRECIPITATION (IN)
TODAY 0.00 3.69 1961 0.58 -0.58 0.11
MONTH TO DATE 9.56 14.24 -4.68 11.42
SINCE JUN 1 35.90 33.00 2.90 37.91
SINCE JAN 1 87.63 53.21 34.42 53.64
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 18 17 1 18
MONTH TO DATE 440 425 15 427
SINCE JUN 1 1507 1519 -12 1461
SINCE JAN 1 3899 4031 -132 4025
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (270)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 6.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 1:00 AM
LOWEST 68 2:00 PM
AVERAGE 80
......................................................
THE GUAM INTERNATIONAL AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 92 1987
MINIMUM TEMPERATURE (F) 76 71 1986
SUNRISE AND SUNSET
AUGUST 25 2026........SUNRISE 6:09 AM CHST SUNSET 6:37 PM CHST
AUGUST 26 2026........SUNRISE 6:09 AM CHST SUNSET 6:36 PM CHST
- 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