247
CDUS46 KMTR 150838
CLIHWD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
138 AM PDT MON SEP 15 2025
...............................
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 14 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 74 2:43 PM 83 2004 77 -3 76
MINIMUM 62 11:59 PM 54 2010 58 4 57
AVERAGE 68 68 0 67
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 1 0
SINCE SEP 1 1 0
SINCE JUL 1 41 10
COOLING
YESTERDAY 3 2
MONTH TO DATE 43 70
SINCE SEP 1 43 70
SINCE JAN 1 199 507
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION W (260)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 6.9
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 90 9:00 PM
LOWEST 68 1:00 PM
AVERAGE 79
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THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 87 2004
MINIMUM TEMPERATURE (F) 58 53 2006
SUNRISE AND SUNSET
SEPTEMBER 15 2025.....SUNRISE 6:51 AM PDT SUNSET 7:16 PM PDT
SEPTEMBER 16 2025.....SUNRISE 6:52 AM PDT SUNSET 7:14 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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