Climatological Report (Daily)
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
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CDUS44 KMRX 292117
CLICHA
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
517 PM EDT MON SEP 29 2025
...................................
...THE CHATTANOOGA AIRPORT CLIMATE SUMMARY FOR SEPTEMBER 29 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 3:07 PM 95 2019 80 7 72
MINIMUM 65 2:37 AM 37 1942 59 6 65
AVERAGE 76 70 6 69
PRECIPITATION (IN)
TODAY T 2.24 1989 0.15 -0.15 0.10
MONTH TO DATE 1.47 4.07 -2.60 5.75
SINCE SEP 1 1.47 4.07 -2.60 5.75
SINCE JAN 1 47.30 41.20 6.10 34.68
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 4 -4 0
SINCE SEP 1 0 4 -4 0
SINCE JUL 1 0 4 -4 0
COOLING
TODAY 11 6 5 4
MONTH TO DATE 295 270 25 329
SINCE SEP 1 295 270 25 329
SINCE JAN 1 1940 1843 97 2223
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 5.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 6:00 AM
LOWEST 44 1:00 PM
AVERAGE 71
..........................................................
THE CHATTANOOGA AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 97 2019
MINIMUM TEMPERATURE (F) 58 36 1967
SUNRISE AND SUNSET
SEPTEMBER 29 2025.....SUNRISE 7:34 AM EDT SUNSET 7:27 PM EDT
SEPTEMBER 30 2025.....SUNRISE 7:35 AM EDT SUNSET 7:26 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$