409
CDUS46 KMTR 210832
CLIHWD
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
132 AM PDT THU MAY 21 2026
...............................
..THE HAYWARD AIRPORT CLIMATE SUMMARY FOR MAY 20 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 82 1:26 PM 89 2017 70 12 72
MINIMUM 55 3:19 AM 47 2021 53 2 55
AVERAGE 69 61 8 64
PRECIPITATION (IN)
YESTERDAY 0.00 0.00
MONTH TO DATE 0.06 0.26
SINCE OCT 1 20.19 14.64
SINCE JAN 1 11.46 7.43
DEGREE DAYS
HEATING
YESTERDAY 0 1
MONTH TO DATE 80 41
SINCE MAR 1 339 436
SINCE JUL 1 1681 1666
COOLING
YESTERDAY 4 0
MONTH TO DATE 15 16
SINCE MAR 1 57 25
SINCE JAN 1 58 25
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (280)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 5.9
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 78 11:00 PM
LOWEST 27 1:00 PM
AVERAGE 53
......................................................
THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 94 2000
MINIMUM TEMPERATURE (F) 53 47 1999
SUNRISE AND SUNSET
MAY 21 2026...........SUNRISE 5:54 AM PDT SUNSET 8:16 PM PDT
MAY 22 2026...........SUNRISE 5:54 AM PDT SUNSET 8:17 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page