


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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501 CDUS46 KMTR 050031 CLIHWD CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 531 PM PDT SAT OCT 04 2025 ................................... ...THE HAYWARD AIRPORT CLIMATE SUMMARY FOR OCTOBER 4 2025... VALID TODAY AS OF 0500 PM LOCAL TIME. 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) TODAY MAXIMUM 74 MM 92 2014 76 -2 89 MINIMUM 55 MM 47 2009 56 -1 60 AVERAGE 65 66 -1 75 PRECIPITATION (IN) TODAY 0.00 0.00 MONTH TO DATE 0.51 0.00 SINCE OCT 1 0.51 0.00 SINCE JAN 1 8.06 17.00 DEGREE DAYS HEATING TODAY 0 0 MONTH TO DATE 1 0 SINCE SEP 1 2 2 SINCE JUL 1 42 12 COOLING TODAY 0 10 MONTH TO DATE 5 62 SINCE SEP 1 125 193 SINCE JAN 1 281 630 ................................................................... WIND (MPH) RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION W (290) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (300) HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM AVERAGE WIND SPEED 5.1 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.0 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 90 4:00 AM LOWEST 53 1:00 PM AVERAGE 72 .......................................................... THE HAYWARD AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 75 98 2024 MINIMUM TEMPERATURE (F) 56 46 2009 SUNRISE AND SUNSET OCTOBER 4 2025.......SUNRISE 7:07 AM PDT SUNSET 6:46 PM PDT OCTOBER 5 2025.......SUNRISE 7:08 AM PDT SUNSET 6:45 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$