


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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640 CDUS46 KMTR 170832 CLIHWD CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 132 AM PDT THU JUL 17 2025 ................................... ...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR JULY 16 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 69 3:22 PM 91 2017 75 -6 74 MINIMUM 59 8:27 PM 54 2009 58 1 61 AVERAGE 64 66 -2 68 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 1 0 MONTH TO DATE 19 0 SINCE JUN 1 98 23 SINCE JUL 1 19 0 COOLING YESTERDAY 0 3 MONTH TO DATE 8 132 SINCE JUN 1 25 202 SINCE JAN 1 73 233 ................................................................... WIND (MPH) RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 11.6 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 87 1:00 AM LOWEST 57 3:00 PM AVERAGE 72 .......................................................... THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 75 94 2006 MINIMUM TEMPERATURE (F) 58 54 2009 SUNRISE AND SUNSET JULY 17 2025..........SUNRISE 6:01 AM PDT SUNSET 8:28 PM PDT JULY 18 2025..........SUNRISE 6:01 AM PDT SUNSET 8:28 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$