


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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746 CDUS46 KMTR 310826 CLIHWD CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 126 AM PDT THU JUL 31 2025 ................................... ...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR JULY 30 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 68 3:06 PM 81 2012 75 -7 71 MINIMUM 59 3:15 AM 55 2010 58 1 59 AVERAGE 64 66 -2 65 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE T 0.00 SINCE OCT 1 14.64 21.84 SINCE JAN 1 7.43 16.98 DEGREE DAYS HEATING YESTERDAY 1 0 MONTH TO DATE 33 4 SINCE JUN 1 112 27 SINCE JUL 1 33 4 COOLING YESTERDAY 0 0 MONTH TO DATE 8 203 SINCE JUN 1 25 273 SINCE JAN 1 73 304 ................................................................... WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (270) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 9.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.8 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 90 10:00 PM LOWEST 68 2:00 PM AVERAGE 79 .......................................................... THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 75 86 2000 MINIMUM TEMPERATURE (F) 58 56 1999 2010 2013 SUNRISE AND SUNSET JULY 31 2025..........SUNRISE 6:12 AM PDT SUNSET 8:17 PM PDT AUGUST 1 2025........SUNRISE 6:13 AM PDT SUNSET 8:16 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$