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The table shows the combined weather forecast in Philadelphia 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 Philadelphia

Date Time Weather type Air temperature, °C Atmospheric pressure Wind Precipitation, mm Tef, °C Tefs, °C Weather comfort
20.11
Wen
day
12 h
Partly cloudy +11 757 E
1 m/s
0.0 +12 +12
20.11
Wen
day
15 h
Partly cloudy +14 757 SE
1 m/s
0.0 +15 +17
20.11
Wen
even
18 h
Partly cloudy +16 755 SE
1 m/s
0.0 +17 +20
20.11
Wen
even
21 h
Partly cloudy +17 754 SE
2 m/s
0.0 +18 +18
21.11
Thu
night
00 h
Mostly cloudy +15 753 E
4 m/s
0.0 +14 +14
21.11
Thu
night
03 h
Light rain +14 752 E
3 m/s
0.0 +13 +13
21.11
Thu
morn
06 h
Heavy rain +12 751 NW
4 m/s
7.0 +11 +11
21.11
Thu
morn
09 h
Heavy rain +9 751 NW
5 m/s
10.2 +7 +7
21.11
Thu
day
12 h
Light rain +8 750 NW
6 m/s
0.5 +5 +5
21.11
Thu
day
15 h
Light rain +9 750 NW
5 m/s
0.3 +6 +6
21.11
Thu
even
18 h
Light rain +9 748 W
6 m/s
0.6 +6 +6
21.11
Thu
even
21 h
Light cloudy +8 748 W
5 m/s
0.2 +6 +6
22.11
Fri
night
00 h
Light rain +6 748 W
6 m/s
0.0 +3 +3
22.11
Fri
night
03 h
Mostly cloudy +5 748 W
6 m/s
0.2 +1 +1
22.11
Fri
morn
06 h
Mostly cloudy +4 748 W
6 m/s
0.0 0 0
22.11
Fri
morn
09 h
Mostly cloudy +4 747 SW
6 m/s
0.0 0 0
22.11
Fri
day
12 h
Mostly cloudy +2 747 SW
6 m/s
0.0 -2 -2
22.11
Fri
day
15 h
Snow with rain +3 747 SW
6 m/s
0.5 -1 -1
22.11
Fri
even
18 h
Snow with rain +3 746 SW
5 m/s
1.4 0 0
22.11
Fri
even
21 h
Snow with rain +3 746 SW
4 m/s
2.9 0 0
23.11
Sat
night
00 h
Snow with rain +4 746 SW
4 m/s
1.9 +1 +1
23.11
Sat
night
03 h
Light rain +4 747 NW
3 m/s
0.6 +2 +2
23.11
Sat
morn
06 h
Partly cloudy +6 755 NW
5 m/s
0.0 +3 +3
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
+11
+14
+16
+17
+15
+14
+12
+9
Atmospheric pressure
757
757
755
754
753
752
751
751
Wind
E
1 m/s
SE
1 m/s
SE
1 m/s
SE
2 m/s
E
4 m/s
E
3 m/s
NW
4 m/s
NW
5 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
7.0
10.2
Tef,°C
+12
+15
+17
+18
+14
+13
+11
+7
Tefs,°C
+12
+17
+20
+18
+14
+13
+11
+7
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
+8
+9
+9
+8
+6
+5
+4
+4
Atmospheric pressure
750
750
748
748
748
748
748
747
Wind
NW
6 m/s
NW
5 m/s
W
6 m/s
W
5 m/s
W
6 m/s
W
6 m/s
W
6 m/s
SW
6 m/s
Precipitation, mm
0.5
0.3
0.6
0.2
0.0
0.2
0.0
0.0
Tef,°C
+5
+6
+6
+6
+3
+1
0
0
Tefs,°C
+5
+6
+6
+6
+3
+1
0
0
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
+3
+3
+3
+4
+4
+6
Atmospheric pressure
747
747
746
746
746
747
755
Wind
SW
6 m/s
SW
6 m/s
SW
5 m/s
SW
4 m/s
SW
4 m/s
NW
3 m/s
NW
5 m/s
Precipitation, mm
0.0
0.5
1.4
2.9
1.9
0.6
0.0
Tef,°C
-2
-1
0
0
+1
+2
+3
Tefs,°C
-2
-1
0
0
+1
+2
+3
Weather comfort
 
 
 
 
 
 
 
 
  • Wen, 20.11
  • Thu, 21.11
  • Fri, 22.11
Location of a geographical point Philadelphia (Pennsylvania, USA): latitude 39.8683 longitude -75.2311 height above sea level 3 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.