Morristown, TN Area Seasonal Climate Summary
All normals are based on 30 year climate period from 1981 - 2010.
Chattanooga (CHA) period of record is from 1879 - Current.
Knoxville (TYS) period of record is from 1871 - Current.
Tri-Cities (TRI) period of record is from 1937 - Current.
Seasonal Averages/Totals and Normals
Chattanooga Seasonal Averages/Totals and Normals
748
CXUS54 KMRX 032322
CLSCHA
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
622 PM EST TUE MAR 03 2026
...................................
...THE CHATTANOOGA AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2025 TO 2/28/2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1879 TO 2026
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
RECORD
HIGH 82 02/22/2023
LOW -10 01/21/1985
01/31/1966
02/13/1899
HIGHEST 78 12/27
02/19
LOWEST 11 01/27
AVG. MAXIMUM 56.0
AVG. MINIMUM 33.9
MEAN 45.0 43.9 1.1
DAYS MAX >= 90 0
DAYS MIN <= 32 47
PRECIPITATION (INCHES)
RECORD
MAXIMUM 27.31 2019
MINIMUM 9.34 2000
TOTALS 8.33R 15.30 -6.97
DAILY AVG. 0.09
DAYS >= .01 25
DAYS >= .10 16
DAYS >= .50 7
DAYS >= 1.00 2
GREATEST
24 HR. TOTAL 1.71
SNOWFALL (INCHES)
TOTALS 0.8
SINCE 7/1 0.8
SNOWDEPTH AVG. 0
DAYS >= TRACE 6
DAYS >= 1.0 0
GREATEST
SNOW DEPTH 1 01/31
DEGREE DAYS
HEATING TOTAL 1795 1911 -116
COOLING TOTAL 7 2 5
................................................
WIND (MPH)
HIGHEST WIND SPEED/DIRECTION 30/280 DATE 12/18
HIGHEST GUST SPEED/DIRECTION 53/290 DATE 12/18
SKY COVER
AVERAGE SKY COVER 0.58
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 MIXED PRECIP 0
HEAVY RAIN 5 RAIN 13
LIGHT RAIN 31 FREEZING RAIN 0
LT FREEZING RAIN 1 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 6 SLEET 1
FOG 36 FOG W/VIS <= 1/4 MILE 3
HAZE 9
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
Knoxville Seasonal Averages/Totals and Normals
885
CXUS54 KMRX 032322
CLSTYS
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
622 PM EST TUE MAR 03 2026
...................................
...THE KNOXVILLE MCGHEE TYSON AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2025 TO 2/28/2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1871 TO 2026
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
RECORD
HIGH 83 02/23/1996
02/26/1977
LOW -24 01/21/1985
HIGHEST 73 12/27
12/28
02/19
LOWEST 7 02/02
AVG. MAXIMUM 51.6
AVG. MINIMUM 32.5
MEAN 42.1 41.3 0.8
DAYS MAX >= 90 0 0.0 0.0
DAYS MIN <= 32 52 48.4 3.6
PRECIPITATION (INCHES)
RECORD
MAXIMUM 25.56 2019
MINIMUM 10.26 2000
TOTALS 9.88R 14.57 -4.69
DAILY AVG. 0.11
DAYS >= .01 33
DAYS >= .10 21
DAYS >= .50 7
DAYS >= 1.00 3
GREATEST
24 HR. TOTAL 1.76 01/09 TO 01/10
SNOWFALL (INCHES)
TOTALS 3.4
SINCE 7/1 3.5
SNOWDEPTH AVG. 0
DAYS >= TRACE 14
DAYS >= 1.0 1
GREATEST
SNOW DEPTH 2 01/31
02/01
DEGREE DAYS
HEATING TOTAL 2051 2137 -86
COOLING TOTAL 2 1 1
................................................
WIND (MPH)
HIGHEST WIND SPEED/DIRECTION 41/270 DATE 12/18
HIGHEST GUST SPEED/DIRECTION 62/270 DATE 12/18
SKY COVER
AVERAGE SKY COVER 0.66
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 9 RAIN 16
LIGHT RAIN 35 FREEZING RAIN 0
LT FREEZING RAIN 3 HAIL 1
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 14 SLEET 2
FOG 33 FOG W/VIS <= 1/4 MILE 5
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
Tri-Cities Seasonal Averages/Totals and Normals
886
CXUS54 KMRX 032322
CLSTRI
CLIMATE REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
622 PM EST TUE MAR 03 2026
...................................
...THE TRI-CITIES AIRPORT CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2025 TO 2/28/2026...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1937 TO 2026
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
................................................
TEMPERATURE (F)
RECORD
HIGH 82 02/21/2018
LOW -21 01/21/1985
HIGHEST 71 12/25
12/28
LOWEST -7 02/02
AVG. MAXIMUM 49.5
AVG. MINIMUM 26.0
MEAN 37.8 38.6 -0.8
DAYS MAX >= 90 0
DAYS MIN <= 32 68
PRECIPITATION (INCHES)
RECORD
MAXIMUM 20.01 2019
MINIMUM 6.86 2000
TOTALS 8.77 11.22 -2.45
DAILY AVG. 0.10
DAYS >= .01 34
DAYS >= .10 21
DAYS >= .50 5
DAYS >= 1.00 1
GREATEST
24 HR. TOTAL 1.31 01/09 TO 01/10
SNOWFALL (INCHES)
TOTALS 11.7
SINCE 7/1 12.2
SNOWDEPTH AVG. 0
DAYS >= TRACE 17
DAYS >= 1.0 2
GREATEST
SNOW DEPTH 8 01/31
DEGREE DAYS
HEATING TOTAL 2429 2380 49
COOLING TOTAL 0 0 0
................................................
WIND (MPH)
HIGHEST WIND SPEED/DIRECTION 33/280 DATE 12/29
HIGHEST GUST SPEED/DIRECTION 46/330 DATE 12/29
SKY COVER
AVERAGE SKY COVER 0.68
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 9 RAIN 13
LIGHT RAIN 35 FREEZING RAIN 0
LT FREEZING RAIN 2 HAIL 1
HEAVY SNOW 0 SNOW 2
LIGHT SNOW 25 SLEET 2
FOG 48 FOG W/VIS <= 1/4 MILE 9
HAZE 6
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$
Monthly Averages, Totals and Normals
For recent monthly data, please review the Monthly Weather Summary product at: http://w2.weather.gov/climate/index.php?wfo=mrx.
MOST RECENT RECORDS
For recent records, please visit our Record Event Report (RER) products for Chattanooga (CHA), Knoxville (TYS), and Tri-Cities (TRI).
299
SXUS74 KMRX 120949
RERCHA
RECORD EVENT REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
0543 AM EDT THU MAR 12 2026
...RECORD HIGH TEMPERATURE TIED AT CHATTANOOGA...
A RECORD HIGH TEMPERATURE OF 81 DEGREES WAS TIED AT CHATTANOOGA
AIRPORT YESTERDAY.
THIS TIES THE OLD RECORD OF 81 DEGREES SET IN 1990 AND TIED IN 2006.
$$
819
SXUS74 KMRX 230828
RERTYS
RECORD EVENT REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
426 AM EDT MON MAR 23 2026
...RECORD DAILY HIGH MINIMUM TEMPERATURE SET AT KNOXVILLE MCGHEE
TYSON AIRPORT...
THE LOW TEMPERATURE YESTERDAY AT THE KNOXVILLE AIRPORT WAS 64
DEGREES.
THIS BREAKS THE OLD RECORD HIGH MINIMUM TEMPERATURE FOR MARCH THE
22ND...WHICH WAS 63 IN 1907
$$
569
SXUS74 KMRX 012143
RERTRI
RECORD EVENT REPORT
NATIONAL WEATHER SERVICE MORRISTOWN, TN
0537 PM EDT WED APR 01 2026
...RECORD HIGH TEMPERATURE TIED AT TRI-CITIES ASOS...
A RECORD HIGH TEMPERATURE OF 83 DEGREES WAS SET AT
TRI-CITIES ASOS TODAY.
THIS TIES THE OLD RECORD OF 83 DEGREES SET IN 1974.
$$
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