


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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945 CDUS46 KMTR 010838 CLIHWD CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 138 AM PDT WED OCT 01 2025 ................................... ...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 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 77 12:00 PM 92 2024 76 1 92 MINIMUM 63 3:42 AM 49 2009 56 7 56 AVERAGE 70 66 4 74 PRECIPITATION (IN) YESTERDAY T 0.00 MONTH TO DATE 0.12 T SINCE OCT 1 14.76 21.86 SINCE JAN 1 7.55 17.00 DEGREE DAYS HEATING YESTERDAY 0 0 MONTH TO DATE 1 2 SINCE SEP 1 1 2 SINCE JUL 1 41 12 COOLING YESTERDAY 5 9 MONTH TO DATE 120 131 SINCE SEP 1 120 131 SINCE JAN 1 276 568 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION SW (220) HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (280) HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (270) AVERAGE WIND SPEED 7.8 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.7 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. LIGHT RAIN RELATIVE HUMIDITY (PERCENT) HIGHEST 87 3:00 AM LOWEST 48 12:00 PM AVERAGE 68 .......................................................... THE HAYWARD AIRPORT CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 76 100 2024 MINIMUM TEMPERATURE (F) 56 47 2019 SUNRISE AND SUNSET OCTOBER 1 2025.......SUNRISE 7:04 AM PDT SUNSET 6:51 PM PDT OCTOBER 2 2025.......SUNRISE 7:05 AM PDT SUNSET 6:49 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$