448
CDCA42 TJSJ 182008
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
408 PM AST SAT OCT 18 2025
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 18 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1898 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 89 11:39 AM 94 1979 89 0 90
MINIMUM 78 3:27 PM 70 1957 77 1 79
AVERAGE 84 83 1 85
PRECIPITATION (IN)
TODAY 0.26 3.07 1956 0.16 0.10 0.18
MONTH TO DATE 2.56 2.75 -0.19 1.78
SINCE SEP 1 9.16 9.25 -0.09 5.09
SINCE JAN 1 52.78 45.19 7.59 55.30
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 18 1 20
MONTH TO DATE 348 324 24 385
SINCE SEP 1 924 874 50 1024
SINCE JAN 1 4969 4685 284 5475
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 4.9
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85
LOWEST 59
AVERAGE 72
......................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 94 1978
MINIMUM TEMPERATURE (F) 77 70 1959
SUNRISE AND SUNSET
OCTOBER 18 2025.......SUNRISE 6:19 AM AST SUNSET 5:59 PM AST
OCTOBER 19 2025.......SUNRISE 6:19 AM AST SUNSET 5:59 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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