482
CXUS56 KMTR 010836
CLMSFO

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
136 AM PDT SUN NOV 01 2026

...................................

...THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2026

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
 HIGH             99   10/05/1987
 LOW              37   10/20/1949
HIGHEST           90   10/03                          84  10/06
LOWEST            50   10/12                          49  10/14
AVG. MAXIMUM    72.5               72.3     0.2     70.6
AVG. MINIMUM    55.4                                56.2
MEAN            63.9               62.9     1.0     63.4
DAYS MAX >= 90     1                                   0
DAYS MAX <= 32     0                                   0
DAYS MIN <= 32     0                                   0
DAYS MIN <= 0      0                                   0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        7.30   1962
 MINIMUM        0.00   2020
TOTALS          0.17               0.79   -0.62     1.03
DAILY AVG.      0.01               0.03   -0.02     0.03
DAYS >= .01        2                                   3
DAYS >= .10        1                                   2
DAYS >= .50        0                                   1
DAYS >= 1.00       0                                   0
GREATEST
 24 HR. TOTAL   0.13   10/22 TO 10/22               0.87  10/13 TO 10/13


DEGREE DAYS
HEATING TOTAL     69                100     -31       63
 SINCE 7/1       165                246     -81       MM
COOLING TOTAL     46                 33      13       20
 SINCE 1/1       216                199      17       MM
................................................................

WIND (MPH)
AVERAGE WIND SPEED              8.0
RESULTANT WIND SPEED/DIRECTION   6/290
HIGHEST WIND SPEED/DIRECTION    28/300    DATE  10/08
                                28/250          10/10
HIGHEST GUST SPEED/DIRECTION    36/290    DATE  10/08

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.37
NUMBER OF DAYS FAIR           17
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY          2

AVERAGE RH (PERCENT)     67

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       0
LIGHT RAIN                1     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      16     FOG W/VIS <= 1/4 MILE      0
HAZE                     31

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

$$