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The table shows the combined weather forecast in Allentown 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 Allentown

Date Time Weather type Air temperature, °C Atmospheric pressure Wind Precipitation, mm Tef, °C Tefs, °C Weather comfort
20.11
Wen
day
12 h
Mostly cloudy +9 746 SE
1 m/s
0.0 +10 +10
20.11
Wen
day
15 h
Light cloudy +13 746 E
1 m/s
0.0 +14 +16
20.11
Wen
even
18 h
Partly cloudy +15 745 SE
2 m/s
0.0 +15 +17
20.11
Wen
even
21 h
Light cloudy +15 744 SE
2 m/s
0.0 +15 +15
21.11
Thu
night
00 h
Partly cloudy +12 743 E
4 m/s
0.0 +11 +11
21.11
Thu
night
03 h
Light rain +11 741 E
4 m/s
0.1 +9 +9
21.11
Thu
morn
06 h
Heavy rain +9 741 NW
6 m/s
7.4 +7 +7
21.11
Thu
morn
09 h
Heavy rain +7 741 NW
5 m/s
8.7 +4 +4
21.11
Thu
day
12 h
Rain +6 740 NW
4 m/s
2.5 +4 +4
21.11
Thu
day
15 h
Rain +7 740 NW
4 m/s
1.6 +5 +5
21.11
Thu
even
18 h
Rain +7 738 NW
5 m/s
3.0 +4 +4
21.11
Thu
even
21 h
Rain +5 738 NW
5 m/s
4.6 +2 +2
22.11
Fri
night
00 h
Rain +4 737 W
5 m/s
5.0 +1 +1
22.11
Fri
night
03 h
Snow with rain +3 736 W
6 m/s
3.0 -1 -1
22.11
Fri
morn
06 h
Snow with rain +3 736 W
7 m/s
0.2 -2 -2
22.11
Fri
morn
09 h
Snow with rain +2 735 SW
6 m/s
1.6 -2 -2
22.11
Fri
day
12 h
Snow with rain +2 734 SW
7 m/s
2.2 -3 -3
22.11
Fri
day
15 h
Snow with rain +1 734 S
6 m/s
2.2 -3 -3
22.11
Fri
even
18 h
Snow with rain +1 733 S
5 m/s
3.0 -3 -3
22.11
Fri
even
21 h
Snow with rain +1 733 S
4 m/s
2.7 -2 -2
23.11
Sat
night
00 h
Snow with rain +2 734 NE
3 m/s
1.3 0 0
23.11
Sat
night
03 h
Light rain +1 736 N
4 m/s
0.6 -2 -2
23.11
Sat
morn
06 h
Mostly cloudy +4 742 NW
5 m/s
0.0 +1 +1
Wen, 20.11
Wen
Wen
Wen
Wen
Thu
Thu
Thu
Thu
12 h
15 h
18 h
21 h
00 h
03 h
06 h
09 h
Air temperature,°С
+9
+13
+15
+15
+12
+11
+9
+7
Atmospheric pressure
746
746
745
744
743
741
741
741
Wind
SE
1 m/s
E
1 m/s
SE
2 m/s
SE
2 m/s
E
4 m/s
E
4 m/s
NW
6 m/s
NW
5 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.1
7.4
8.7
Tef,°C
+10
+14
+15
+15
+11
+9
+7
+4
Tefs,°C
+10
+16
+17
+15
+11
+9
+7
+4
Weather comfort
 
 
 
 
 
 
 
 
Thu
Thu
Thu
Thu
Fri
Fri
Fri
Fri
12 h
15 h
18 h
21 h
00 h
03 h
06 h
09 h
Air temperature,°С
+6
+7
+7
+5
+4
+3
+3
+2
Atmospheric pressure
740
740
738
738
737
736
736
735
Wind
NW
4 m/s
NW
4 m/s
NW
5 m/s
NW
5 m/s
W
5 m/s
W
6 m/s
W
7 m/s
SW
6 m/s
Precipitation, mm
2.5
1.6
3.0
4.6
5.0
3.0
0.2
1.6
Tef,°C
+4
+5
+4
+2
+1
-1
-2
-2
Tefs,°C
+4
+5
+4
+2
+1
-1
-2
-2
Weather comfort
 
 
 
 
 
 
 
 
Fri
Fri
Fri
Fri
Sat
Sat
Sat
12 h
15 h
18 h
21 h
00 h
03 h
06 h
Air temperature,°С
+2
+1
+1
+1
+2
+1
+4
Atmospheric pressure
734
734
733
733
734
736
742
Wind
SW
7 m/s
S
6 m/s
S
5 m/s
S
4 m/s
NE
3 m/s
N
4 m/s
NW
5 m/s
Precipitation, mm
2.2
2.2
3.0
2.7
1.3
0.6
0.0
Tef,°C
-3
-3
-3
-2
0
-2
+1
Tefs,°C
-3
-3
-3
-2
0
-2
+1
Weather comfort
 
 
 
 
 
 
 
 
  • Wen, 20.11
  • Thu, 21.11
  • Fri, 22.11
Location of a geographical point Allentown (Pennsylvania, USA): latitude 40.6508 longitude -75.4492 height above sea level 119 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.