Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 152103
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
503 PM AST TUE SEP 15 2026
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 15 2026...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1898 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 88 2:07 PM 96 2024 89 -1 90
MINIMUM 77 8:58 AM 69 1960 78 -1 78
AVERAGE 83 83 0 84
PRECIPITATION (IN)
TODAY 0.31 3.82 2004 0.22 0.09 0.05
MONTH TO DATE 3.12 3.47 -0.35 2.59
SINCE SEP 1 3.12 3.47 -0.35 2.59
SINCE JAN 1 28.05 39.41 -11.36 46.21
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 18 18 0 19
MONTH TO DATE 293 270 23 290
SINCE SEP 1 293 270 23 290
SINCE JAN 1 4411 4081 330 4335
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 6.2
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85
LOWEST 63
AVERAGE 74
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 93 1900
MINIMUM TEMPERATURE (F) 78 69 1929
SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE 6:12 AM AST SUNSET 6:26 PM AST
SEPTEMBER 16 2026.....SUNRISE 6:12 AM AST SUNSET 6:25 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$