


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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505 CDUS46 KMTR 130828 CLIHWD CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 128 AM PDT WED AUG 13 2025 ................................... ...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR AUGUST 12 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 70 2:59 PM 86 2019 76 -6 72 MINIMUM 59 5:31 AM 55 2002 58 1 60 2010 2012 AVERAGE 65 67 -2 66 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.00 0.00 SINCE OCT 1 14.64 21.84 SINCE JAN 1 7.43 16.98 DEGREE DAYS HEATING YESTERDAY 0 0 MONTH TO DATE 6 6 SINCE JUN 1 118 33 SINCE JUL 1 39 10 COOLING YESTERDAY 0 1 MONTH TO DATE 21 31 SINCE JUN 1 50 307 SINCE JAN 1 98 338 ................................................................... WIND (MPH) RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (300) AVERAGE WIND SPEED 10.0 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 11:00 PM LOWEST 65 12:00 PM AVERAGE 78 .......................................................... THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 76 94 2020 MINIMUM TEMPERATURE (F) 58 54 2007 SUNRISE AND SUNSET AUGUST 13 2025........SUNRISE 6:23 AM PDT SUNSET 8:03 PM PDT AUGUST 14 2025........SUNRISE 6:24 AM PDT SUNSET 8:02 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$