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www.weatherandclimate.eu
The table shows the combined weather forecast Allentown for a week 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
19.12
Thu
day
12 h
Light cloudy +2 757 NW
3 m/s
0.0 -1 -1
19.12
Thu
even
18 h
Light cloudy +4 758 N
4 m/s
0.0 +2 +4
20.12
Fri
night
00 h
Cloudy +1 758 N
2 m/s
0.0 -1 -1
20.12
Fri
morn
06 h
Mostly cloudy -1 757 NE
2 m/s
0.0 -3 -3
20.12
Fri
day
12 h
Cloudy -1 755 NE
3 m/s
0.0 -4 -4
20.12
Fri
even
18 h
Light snow 0 750 NE
3 m/s
0.5 -3 -3
21.12
Sat
night
00 h
Snow -0 750 N
3 m/s
0.8 -3 -3
21.12
Sat
morn
06 h
Light snow -1 749 NW
2 m/s
0.1 -3 -3
21.12
Sat
day
12 h
Mostly cloudy -3 752 NW
5 m/s
0.1 -8 -8
21.12
Sat
even
18 h
Cloudy -3 753 NW
6 m/s
0.0 -8 -8
22.12
Sun
night
00 h
Light cloudy -6 757 NW
5 m/s
0.0 -12 -12
22.12
Sun
morn
06 h
Clear -9 763 NW
3 m/s
0.0 -15 -15
22.12
Sun
day
12 h
Clear -10 762 NW
4 m/s
0.0 -16 -16
22.12
Sun
even
18 h
Clear -6 763 N
4 m/s
0.0 -12 -10
23.12
Mon
night
00 h
Clear -8 765 N
3 m/s
0.0 -13 -13
23.12
Mon
morn
06 h
Partly cloudy -6 765 E
1 m/s
0.0 -7 -7
23.12
Mon
morn
06 h
Partly cloudy -6 765 E
1 m/s
0.0 -7 -7
23.12
Mon
day
12 h
Clear -11 767 N
1 m/s
0.0 -13 -13
23.12
Mon
even
18 h
Clear -4 766 S
1 m/s
0.0 -5 -0
24.12
Tue
night
00 h
Light cloudy -6 766 S
1 m/s
0.0 -7 -7
24.12
Tue
morn
06 h
Light snow -1 761 E
1 m/s
0.1 -1 -1
24.12
Tue
day
12 h
Mostly cloudy -4 763 SE
1 m/s
0.0 -5 -5
24.12
Tue
even
18 h
Cloudy +1 761 SW
2 m/s
0.0 -1 -0
25.12
Wen
night
00 h
Light snow -1 760 SE
1 m/s
0.2 -2 -2
25.12
Wen
morn
06 h
Snow with rain +1 762 NE
1 m/s
1.2 +1 +1
25.12
Wen
day
12 h
Cloudy -1 763 E
2 m/s
0.4 -3 -3
25.12
Wen
even
18 h
Cloudy +1 763 NE
1 m/s
0.3 +1 +1
26.12
Thu
night
00 h
Light snow +1 763 NE
1 m/s
0.3 0 0
26.12
Thu
morn
06 h
Snow with rain +1 764 NE
3 m/s
0.3 -2 -2
Thu, 19.12
Thu
Thu
Fri
Fri
Fri
Fri
Sat
Sat
12 h
18 h
00 h
06 h
12 h
18 h
00 h
06 h
Air temperature,°С
+2
+4
+1
-1
-1
0
-0
-1
Atmospheric pressure
757
758
758
757
755
750
750
749
Wind
NW
3 m/s
N
4 m/s
N
2 m/s
NE
2 m/s
NE
3 m/s
NE
3 m/s
N
3 m/s
NW
2 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.5
0.8
0.1
Tef,°C
-1
+2
-1
-3
-4
-3
-3
-3
Tefs,°C
-1
+4
-1
-3
-4
-3
-3
-3
Weather comfort
 
 
 
 
 
 
 
 
Sat
Sat
Sun
Sun
Sun
Sun
Mon
Mon
12 h
18 h
00 h
06 h
12 h
18 h
00 h
06 h
Air temperature,°С
-3
-3
-6
-9
-10
-6
-8
-6
Atmospheric pressure
752
753
757
763
762
763
765
765
Wind
NW
5 m/s
NW
6 m/s
NW
5 m/s
NW
3 m/s
NW
4 m/s
N
4 m/s
N
3 m/s
E
1 m/s
Precipitation, mm
0.1
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
-8
-8
-12
-15
-16
-12
-13
-7
Tefs,°C
-8
-8
-12
-15
-16
-10
-13
-7
Weather comfort
 
 
 
 
 
 
 
 
Mon
Mon
Mon
Tue
Tue
Tue
Tue
Wen
06 h
12 h
18 h
00 h
06 h
12 h
18 h
00 h
Air temperature,°С
-6
-11
-4
-6
-1
-4
+1
-1
Atmospheric pressure
765
767
766
766
761
763
761
760
Wind
E
1 m/s
N
1 m/s
S
1 m/s
S
1 m/s
E
1 m/s
SE
1 m/s
SW
2 m/s
SE
1 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.1
0.0
0.0
0.2
Tef,°C
-7
-13
-5
-7
-1
-5
-1
-2
Tefs,°C
-7
-13
-0
-7
-1
-5
-0
-2
Weather comfort
 
 
 
 
 
 
 
 
Wen
Wen
Wen
Thu
Thu
06 h
12 h
18 h
00 h
06 h
Air temperature,°С
+1
-1
+1
+1
+1
Atmospheric pressure
762
763
763
763
764
Wind
NE
1 m/s
E
2 m/s
NE
1 m/s
NE
1 m/s
NE
3 m/s
Precipitation, mm
1.2
0.4
0.3
0.3
0.3
Tef,°C
+1
-3
+1
0
-2
Tefs,°C
+1
-3
+1
0
-2
Weather comfort
 
 
 
 
 
 
 
 
  • Thu, 19.12
  • Sat, 21.12
  • Mon, 23.12
  • Wen, 25.12
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.