817
CDCA42 TJSJ 211949
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
349 PM AST MON SEP 21 2026
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 21 2026
VALID TODAY AS OF 0300 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 91 12:40 PM 95 2019 89 2 90
MINIMUM 79 6:28 AM 71 1960 77 2 78
AVERAGE 85 83 2 84
PRECIPITATION (IN)
TODAY 0.18 4.04 1998 0.21 -0.03 T
MONTH TO DATE 4.67 4.75 -0.08 3.95
SINCE SEP 1 4.67 4.75 -0.08 3.95
SINCE JAN 1 29.60 40.69 -11.09 47.57
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 20 18 2 19
MONTH TO DATE 412 378 34 401
SINCE SEP 1 412 378 34 401
SINCE JAN 1 4530 4189 341 4446
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 4.0
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 54
AVERAGE 71
......................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 96 2021
MINIMUM TEMPERATURE (F) 77 71 1947
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 6:13 AM AST SUNSET 6:21 PM AST
SEPTEMBER 22 2026.....SUNRISE 6:13 AM AST SUNSET 6:20 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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