Climatological Report (Daily)
Issued by NWS Austin/San Antonio, TX
Issued by NWS Austin/San Antonio, TX
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CDUS44 KEWX 180647
CLISAT
CLIMATE REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO
147 AM CDT TUE AUG 18 2026
...................................
...THE SAN ANTONIO CLIMATE SUMMARY FOR AUGUST 17 2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1886 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 100 4:51 PM 106 2023 96 4 101
MINIMUM 78 6:25 AM 66 1885 75 3 79
AVERAGE 89 86 3 90
PRECIPITATION (IN)
YESTERDAY 0.00 1.39 1967 0.06 -0.06 0.00
MONTH TO DATE 0.00 0.88 -0.88 0.06
SINCE JUN 1 9.62 6.57 3.05 8.72
SINCE JAN 1 24.79 19.40 5.39 20.31
SNOWFALL (IN)
YESTERDAY 0.0
MONTH TO DATE 0.0
SINCE JUN 1 0.0
SINCE JUL 1 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 24 21 3 25
MONTH TO DATE 399 357 42 398
SINCE JUN 1 1594 1497 97 1590
SINCE JAN 1 2537 2122 415 2627
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 7.7
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 6:00 AM
LOWEST 24 6:00 PM
AVERAGE 56
..........................................................
THE SAN ANTONIO CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 96 105 1909
MINIMUM TEMPERATURE (F) 75 64 1992
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 7:04 AM CDT SUNSET 8:11 PM CDT
AUGUST 19 2026........SUNRISE 7:04 AM CDT SUNSET 8:10 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$