


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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403 CDUS46 KMTR 020828 CLIHWD CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 128 AM PDT TUE SEP 02 2025 ................................... ...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 1 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 84 2:50 PM 103 2017 78 6 76 MINIMUM 59 5:57 AM 53 1999 58 1 62 AVERAGE 72 68 4 69 PRECIPITATION (IN) YESTERDAY 0.00 0.00 MONTH TO DATE 0.00 0.00 SINCE OCT 1 14.64 21.86 SINCE JAN 1 7.43 17.00 DEGREE DAYS HEATING YESTERDAY 0 0 MONTH TO DATE 0 0 SINCE SEP 1 0 0 SINCE JUL 1 40 10 COOLING YESTERDAY 7 4 MONTH TO DATE 7 4 SINCE SEP 1 7 4 SINCE JAN 1 163 441 ................................................................... WIND (MPH) RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (280) AVERAGE WIND SPEED 4.9 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 90 4:00 AM LOWEST 38 2:00 PM AVERAGE 64 .......................................................... THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 78 108 2017 MINIMUM TEMPERATURE (F) 58 52 2012 SUNRISE AND SUNSET SEPTEMBER 2 2025.....SUNRISE 6:40 AM PDT SUNSET 7:35 PM PDT SEPTEMBER 3 2025.....SUNRISE 6:41 AM PDT SUNSET 7:34 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$