Climatological Report (Daily)
Issued by NWS
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CDUS46 KMTR 180833
CLIHWD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
133 AM PDT FRI SEP 18 2026
...................................
...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 17 2026...
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)
YESTERDAY
MAXIMUM 71 3:54 PM 91 2000 77 -6 84
MINIMUM 60 11:59 PM 53 2006 58 2 58
AVERAGE 66 67 -1 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.12 0.05
SINCE OCT 1 20.65 14.69
SINCE JAN 1 11.92 7.48
DEGREE DAYS
HEATING
YESTERDAY 0 0
MONTH TO DATE 2 1
SINCE SEP 1 2 1
SINCE JUL 1 35 41
COOLING
YESTERDAY 1 6
MONTH TO DATE 56 64
SINCE SEP 1 56 64
SINCE JAN 1 269 220
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 9.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 10:00 PM
LOWEST 55 4:00 PM
AVERAGE 71
..........................................................
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 2026.....SUNRISE 6:53 AM PDT SUNSET 7:11 PM PDT
SEPTEMBER 19 2026.....SUNRISE 6:54 AM PDT SUNSET 7:10 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$