Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 220028
CLIHWD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
528 PM PDT MON SEP 21 2026
...................................
...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 21 2026...
VALID TODAY AS OF 0500 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 67 1:59 PM 97 2003 77 -10 77
MINIMUM 59 8:15 AM 53 2004 57 2 61
AVERAGE 63 67 -4 69
PRECIPITATION (IN)
TODAY 0.00 0.00
MONTH TO DATE 0.12 0.09
SINCE OCT 1 20.65 14.73
SINCE JAN 1 11.92 7.52
DEGREE DAYS
HEATING
TODAY 2 0
MONTH TO DATE 8 1
SINCE SEP 1 8 1
SINCE JUL 1 41 41
COOLING
TODAY 0 4
MONTH TO DATE 57 75
SINCE SEP 1 57 75
SINCE JAN 1 270 231
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 9.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 1:00 AM
LOWEST 63 12:00 PM
AVERAGE 75
..........................................................
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 91 2003
MINIMUM TEMPERATURE (F) 57 50 2013
SUNRISE AND SUNSET
SEPTEMBER 21 2026.....SUNRISE 6:56 AM PDT SUNSET 7:07 PM PDT
SEPTEMBER 22 2026.....SUNRISE 6:56 AM PDT SUNSET 7:05 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$