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The table shows the combined weather forecast in Knoxville for three days ahead, automatically compiled according to several independent sources. The time is local. The atmospheric pressure in mm of mercury - at the level of the city (station).
The indicators of Tef (effective temperature), Tefs (effective sun temperature) and verbal characteristics of weather comfort are given (see explanations below).

Weather in Knoxville

Date Time Weather type Air temperature, °C Atmospheric pressure Wind Precipitation, mm Tef, °C Tefs, °C Weather comfort
21.12
Sat
day
12 h
Cloudy +1 743 N
3 m/s
0.0 -1 -1
21.12
Sat
day
15 h
Mostly cloudy +2 744 N
5 m/s
0.0 -2 -2
21.12
Sat
even
18 h
Cloudy +3 743 N
4 m/s
0.0 0 0
21.12
Sat
even
21 h
Mostly cloudy +3 743 NE
4 m/s
0.0 -1 -1
22.12
Sun
night
00 h
Clear 0 744 NE
2 m/s
0.0 -1 -1
22.12
Sun
night
03 h
Clear -1 744 NE
3 m/s
0.0 -4 -4
22.12
Sun
morn
06 h
Clear -3 744 NE
3 m/s
0.0 -6 -6
22.12
Sun
morn
09 h
Clear -3 744 NE
3 m/s
0.0 -7 -7
22.12
Sun
day
12 h
Clear -4 745 NE
3 m/s
0.0 -8 -8
22.12
Sun
day
15 h
Clear -1 747 NE
3 m/s
0.0 -4 -2
22.12
Sun
even
18 h
Clear +3 745 NE
2 m/s
0.0 +1 +7
22.12
Sun
even
21 h
Clear +4 745 NE
1 m/s
0.0 +4 +5
23.12
Mon
night
00 h
Clear 0 745 NE
1 m/s
0.0 0 0
23.12
Mon
night
03 h
Clear -1 745 E
1 m/s
0.0 -2 -2
23.12
Mon
morn
06 h
Clear -2 745 SE
1 m/s
0.0 -2 -2
23.12
Mon
morn
09 h
Clear -2 745 E
1 m/s
0.0 -3 -3
23.12
Mon
day
12 h
Clear -2 746 calm 0.0 -2 -2
23.12
Mon
day
15 h
Clear +2 747 NW
1 m/s
0.0 +1 +4
23.12
Mon
even
18 h
Clear +6 745 W
2 m/s
0.0 +5 +11
23.12
Mon
even
21 h
Clear +8 745 W
3 m/s
0.0 +7 +8
24.12
Tue
night
00 h
Clear +4 744 W
2 m/s
0.0 +2 +2
24.12
Tue
night
03 h
Clear +1 744 SW
2 m/s
0.0 -1 -1
24.12
Tue
morn
06 h
Clear +2 742 NE
2 m/s
0.0 0 0
Sat, 21.12
Sat
Sat
Sat
Sat
Sun
Sun
Sun
Sun
12 h
15 h
18 h
21 h
00 h
03 h
06 h
09 h
Air temperature,°С
+1
+2
+3
+3
0
-1
-3
-3
Atmospheric pressure
743
744
743
743
744
744
744
744
Wind
N
3 m/s
N
5 m/s
N
4 m/s
NE
4 m/s
NE
2 m/s
NE
3 m/s
NE
3 m/s
NE
3 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
-1
-2
0
-1
-1
-4
-6
-7
Tefs,°C
-1
-2
0
-1
-1
-4
-6
-7
Weather comfort
 
 
 
 
 
 
 
 
Sun
Sun
Sun
Sun
Mon
Mon
Mon
Mon
12 h
15 h
18 h
21 h
00 h
03 h
06 h
09 h
Air temperature,°С
-4
-1
+3
+4
0
-1
-2
-2
Atmospheric pressure
745
747
745
745
745
745
745
745
Wind
NE
3 m/s
NE
3 m/s
NE
2 m/s
NE
1 m/s
NE
1 m/s
E
1 m/s
SE
1 m/s
E
1 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
-8
-4
+1
+4
0
-2
-2
-3
Tefs,°C
-8
-2
+7
+5
0
-2
-2
-3
Weather comfort
 
 
 
 
 
 
 
 
Mon
Mon
Mon
Mon
Tue
Tue
Tue
12 h
15 h
18 h
21 h
00 h
03 h
06 h
Air temperature,°С
-2
+2
+6
+8
+4
+1
+2
Atmospheric pressure
746
747
745
745
744
744
742
Wind
calm
NW
1 m/s
W
2 m/s
W
3 m/s
W
2 m/s
SW
2 m/s
NE
2 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
-2
+1
+5
+7
+2
-1
0
Tefs,°C
-2
+4
+11
+8
+2
-1
0
Weather comfort
 
 
 
 
 
 
 
 
  • Sat, 21.12
  • Sun, 22.12
  • Mon, 23.12
Location of a geographical point Knoxville (Tennessee, USA): latitude 35.8181 longitude -83.9858 height above sea level 293 m.
Navigation:
Notes:
Tef - Effective temperature - the temperature felt by a seasonally dressed person in the shade. The calculation takes into account the influence of humidity, wind speed and atmospheric pressure on the human heat perception.
Tefs - Effective sun temperature - the temperature that a person feels, adjusted for solar radiation. Depends on the amount of cloud cover and the height of the sun above the horizon. At night and in cloudy weather the correction is zero.
Weather comfort - a verbal characteristic that characterizes the favorability or unfavorability of forecast meteorological conditions for a seasonally dressed person. Both relative characteristics are used: warm, cool, cold, very cold, showing how much the expected Tef will be higher or lower than the norm, and absolute ones: the risk of sunstroke, the risk of overheating, hot, very hot, stuffy, very stuffy, comfort, the risk of colds, the risk of frostbite that occur when the Tef, Tefs, air temperature or a combination of certain criteria are reached.