Climatological Report (Daily)
Issued by NWS
Issued by NWS
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CDUS46 KMTR 230036
CLISTS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
536 PM PDT MON SEP 22 2025
...................................
...THE SANTA ROSA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 22 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 93 1:17 PM 103 2003 83 10 88
MINIMUM 49 6:20 AM 41 2012 49 0 50
2017
AVERAGE 71 66 5 69
PRECIPITATION (IN)
TODAY 0.00 0.07 1999 0.00 0.00 0.00
MONTH TO DATE 0.14 0.06 0.08 0.00
SINCE OCT 1 41.26 33.71 7.55 37.05
SINCE JAN 1 15.67 21.72 -6.05 25.49
DEGREE DAYS
HEATING
TODAY 0 0
MONTH TO DATE 0 8
SINCE SEP 1 0 8
SINCE JUL 1 17 17
COOLING
TODAY 6 4
MONTH TO DATE 89 55
SINCE SEP 1 89 55
SINCE JAN 1 368 559
...................................................................
WIND (MPH)
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (190)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 3.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 5:00 AM
LOWEST 29 1:00 PM
AVERAGE 63
..........................................................
THE SANTA ROSA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 100 2024
MINIMUM TEMPERATURE (F) 49 42 2008
2010
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 6:59 AM PDT SUNSET 7:08 PM PDT
SEPTEMBER 23 2025.....SUNRISE 7:00 AM PDT SUNSET 7:06 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$