421
CDUS46 KMTR 130837
CLIHWD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
137 AM PDT SAT SEP 13 2025
...............................
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 12 2025
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 70 1:46 PM 94 2003 77 -7 80
MINIMUM 62 11:59 PM 54 2010 58 4 61
AVERAGE 66 68 -2 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.05 0.00
SINCE OCT 1 14.69 21.86
SINCE JAN 1 7.48 17.00
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE SEP 1 0 0
SINCE JUL 1 40 10
COOLING
YESTERDAY 1 6
MONTH TO DATE 40 62
SINCE SEP 1 40 62
SINCE JAN 1 196 499
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 8.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 12:00 AM
LOWEST 68 12:00 PM
AVERAGE 77
......................................................
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 96 2019
MINIMUM TEMPERATURE (F) 58 55 2005
2016
SUNRISE AND SUNSET
SEPTEMBER 13 2025.....SUNRISE 6:49 AM PDT SUNSET 7:19 PM PDT
SEPTEMBER 14 2025.....SUNRISE 6:50 AM PDT SUNSET 7:17 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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