629
CDUS46 KMTR 180825
CLIHWD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
125 AM PDT THU SEP 18 2025
...............................
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 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 84 3:10 PM 91 2000 77 7 69
MINIMUM 58 5:41 AM 53 2006 58 0 59
AVERAGE 71 67 4 64
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 1
MONTH TO DATE 1 2
SINCE SEP 1 1 2
SINCE JUL 1 41 12
COOLING
YESTERDAY 6 0
MONTH TO DATE 64 70
SINCE SEP 1 64 70
SINCE JAN 1 220 507
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 3.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 6:00 AM
LOWEST 38 3:00 PM
AVERAGE 67
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THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 93 2000
MINIMUM TEMPERATURE (F) 58 51 2008
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 6:53 AM PDT SUNSET 7:11 PM PDT
SEPTEMBER 19 2025.....SUNRISE 6:54 AM PDT SUNSET 7:09 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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