


Climatological Report (Daily)
Issued by NWS
Issued by NWS
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406 CDUS46 KMTR 210033 CLIOAK CLIMATE REPORT NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA 533 PM PDT WED AUG 20 2025 ................................... ...THE OAKLAND AIRPORT CLIMATE SUMMARY FOR AUGUST 20 2025... VALID TODAY AS OF 0500 PM LOCAL TIME. CLIMATE NORMAL PERIOD: 1991 TO 2020 CLIMATE RECORD PERIOD: 1948 TO 2025 WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST VALUE (LST) VALUE VALUE FROM YEAR NORMAL ................................................................... TEMPERATURE (F) TODAY MAXIMUM 82 1:19 PM 86 2023 73 9 81 MINIMUM 56 5:52 AM 50 1955 57 -1 56 AVERAGE 69 65 4 69 PRECIPITATION (IN) TODAY 0.00 0.01 1959 0.00 0.00 0.00 MONTH TO DATE T 0.02 -0.02 T SINCE OCT 1 9.28 18.56 -9.28 16.32 SINCE JAN 1 4.52 11.82 -7.30 12.35 SNOWFALL (IN) TODAY MM 0.0 1985 MONTH TO DATE T SINCE JUN 1 T SINCE JUL 1 T DEGREE DAYS HEATING TODAY 0 2 -2 0 MONTH TO DATE 15 40 -25 12 SINCE JUN 1 219 191 28 87 SINCE JUL 1 84 99 -15 22 COOLING TODAY 4 2 2 4 MONTH TO DATE 17 21 -4 34 SINCE JUN 1 19 70 -51 150 SINCE JAN 1 26 87 -61 158 ................................................................... WIND (MPH) RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (260) HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (290) HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (290) AVERAGE WIND SPEED 7.0 SKY COVER POSSIBLE SUNSHINE MM AVERAGE SKY COVER 0.1 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED TODAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 89 6:00 AM LOWEST 45 12:00 PM AVERAGE 67 .......................................................... THE OAKLAND AIRPORT CLIMATE NORMALS FOR TOMORROW NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 73 83 1974 MINIMUM TEMPERATURE (F) 57 51 2000 SUNRISE AND SUNSET AUGUST 20 2025........SUNRISE 6:29 AM PDT SUNSET 7:54 PM PDT AUGUST 21 2025........SUNRISE 6:30 AM PDT SUNSET 7:53 PM PDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$