197
CDUS46 KMTR 210828
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
1228 AM PST WED JAN 21 2026
...............................
..THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR JANUARY 20 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 53 4:42 PM 70 2014 58 -5 70
2025
MINIMUM 38 2:24 AM 27 2013 38 0 34
2014
AVERAGE 46 48 -2 52
PRECIPITATION (IN)
YESTERDAY 0.00 2.77 2012 0.19 -0.19 0.00
MONTH TO DATE 4.41 4.48 -0.07 0.48
SINCE OCT 1 17.30 16.47 0.83 26.07
SINCE JAN 1 4.41 4.48 -0.07 0.48
DEGREE DAYS
HEATING
YESTERDAY 19 13
MONTH TO DATE 300 288
SINCE DEC 1 806 728
SINCE JUL 1 1251 1236
COOLING
YESTERDAY 0 0
MONTH TO DATE 0 0
SINCE DEC 1 0 0
SINCE JAN 1 0 0
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 2.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 12:00 AM
LOWEST 77 4:00 PM
AVERAGE 89
......................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 58 73 2014
MINIMUM TEMPERATURE (F) 38 26 2013
2014
SUNRISE AND SUNSET
JANUARY 21 2026.......SUNRISE 7:24 AM PST SUNSET 5:21 PM PST
JANUARY 22 2026.......SUNRISE 7:24 AM PST SUNSET 5:22 PM PST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page