Climatological Report (Daily)
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
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CDUS44 KMRX 302118
CLICHA
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
518 PM EDT TUE SEP 30 2025
...................................
...THE CHATTANOOGA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 30 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1879 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 87 3:59 PM 97 2019 80 7 78
MINIMUM 65 4:17 AM 36 1967 58 7 66
AVERAGE 76 69 7 72
PRECIPITATION (IN)
TODAY 0.00 4.12 1915 0.16 -0.16 0.01
MONTH TO DATE 1.47 4.23 -2.76 5.76
SINCE SEP 1 1.47 4.23 -2.76 5.76
SINCE JAN 1 47.30 41.36 5.94 34.69
SNOWFALL (IN)
TODAY 0.0 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 1 -1 0
MONTH TO DATE 0 5 -5 0
SINCE SEP 1 0 5 -5 0
SINCE JUL 1 0 5 -5 0
COOLING
TODAY 11 5 6 7
MONTH TO DATE 306 276 30 336
SINCE SEP 1 306 276 30 336
SINCE JAN 1 1951 1849 102 2230
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 2.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 45 4:00 PM
AVERAGE 69
..........................................................
THE CHATTANOOGA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 97 2019
MINIMUM TEMPERATURE (F) 58 39 1946
1949
1972
SUNRISE AND SUNSET
SEPTEMBER 30 2025.....SUNRISE 7:35 AM EDT SUNSET 7:26 PM EDT
OCTOBER 1 2025.......SUNRISE 7:36 AM EDT SUNSET 7:24 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$