537
CDUS46 KMTR 230836
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
136 AM PDT THU OCT 23 2025
...............................
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR OCTOBER 22 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 68 2:42 PM 91 2019 76 -8 77
MINIMUM 48 11:54 PM 38 2008 45 3 45
AVERAGE 58 60 -2 61
PRECIPITATION (IN)
YESTERDAY 0.00 1.13 2012 0.06 -0.06 0.00
MONTH TO DATE 1.64 0.92 0.72 0.22
SINCE OCT 1 1.64 0.92 0.72 0.22
SINCE JAN 1 17.54 22.71 -5.17 25.71
DEGREE DAYS
HEATING
YESTERDAY 7 4
MONTH TO DATE 80 27
SINCE SEP 1 83 38
SINCE JUL 1 100 47
COOLING
YESTERDAY 0 0
MONTH TO DATE 9 107
SINCE SEP 1 122 201
SINCE JAN 1 401 705
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION SW (210)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 3.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 10:00 PM
LOWEST 57 2:00 PM
AVERAGE 79
......................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 92 2019
MINIMUM TEMPERATURE (F) 44 39 1998
2016
SUNRISE AND SUNSET
OCTOBER 23 2025.......SUNRISE 7:29 AM PDT SUNSET 6:22 PM PDT
OCTOBER 24 2025.......SUNRISE 7:30 AM PDT SUNSET 6:20 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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