Climatological Report (Daily)
Issued by NWS
Issued by NWS
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853
CDUS46 KSGX 190031
CLIMYF
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN DIEGO, CA
531 PM PDT FRI SEP 18 2026
...................................
...THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE SUMMARY FOR SEPTEMBER 18 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 78 12:00 PM 101 2020 81 -3 83
MINIMUM 68 4:53 AM 57 2010 64 4 68
AVERAGE 73 72 1 76
PRECIPITATION (IN)
TODAY 0.00 0.21 2025 0.00 0.00 0.21
MONTH TO DATE T 0.08 -0.08 0.26
SINCE JUL 1 T 0.16 -0.16 0.33
SINCE OCT 1 8.92 10.93 -2.01 5.62
SINCE JAN 1 4.85 7.87 -3.02 5.50
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 1 -1 0
COOLING
TODAY 8 7 1 11
MONTH TO DATE 219 150 69 167
SINCE SEP 1 219 150 69 167
SINCE JAN 1 1147 796 351 747
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 5.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 12:00 AM
LOWEST 50 12:00 PM
AVERAGE 63
..........................................................
THE SAN DIEGO/MONTGOMERY FLD CA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 91 2020
MINIMUM TEMPERATURE (F) 63 56 1999
SUNRISE AND SUNSET
SEPTEMBER 18 2026.....SUNRISE 6:34 AM PDT SUNSET 6:50 PM PDT
SEPTEMBER 19 2026.....SUNRISE 6:35 AM PDT SUNSET 6:49 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$