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www.weatherandclimate.info
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
30.01
Fri
day
12 h
Clear -15 768 W
3 m/s
0.0 -21 -21
30.01
Fri
day
15 h
Clear -12 769 W
5 m/s
0.0 -20 -18
30.01
Fri
even
18 h
Light cloudy -10 768 NW
5 m/s
0.0 -18 -16
30.01
Fri
even
21 h
Clear -10 768 W
4 m/s
0.0 -17 -17
31.01
Sat
night
00 h
Clear -13 768 W
2 m/s
0.0 -18 -18
31.01
Sat
night
03 h
Clear -17 768 NW
2 m/s
0.0 -22 -22
31.01
Sat
morn
06 h
Clear -17 768 W
2 m/s
0.0 -22 -22
31.01
Sat
morn
09 h
Partly cloudy -18 768 NW
2 m/s
0.0 -23 -23
31.01
Sat
day
12 h
Partly cloudy -18 767 NW
2 m/s
0.0 -24 -24
31.01
Sat
day
15 h
Partly cloudy -13 768 N
3 m/s
0.0 -19 -17
31.01
Sat
even
18 h
Mostly cloudy -10 766 N
3 m/s
0.0 -15 -14
31.01
Sat
even
21 h
Mostly cloudy -9 764 N
3 m/s
0.0 -13 -13
01.02
Sun
night
00 h
Mostly cloudy -9 764 N
3 m/s
0.0 -14 -14
01.02
Sun
night
03 h
Mostly cloudy -10 763 N
5 m/s
0.0 -18 -18
01.02
Sun
morn
06 h
Cloudy -12 761 W
5 m/s
0.0 -19 -19
01.02
Sun
morn
09 h
Mostly cloudy -13 760 N
5 m/s
0.0 -21 -21
01.02
Sun
day
12 h
Mostly cloudy -13 759 N
6 m/s
0.0 -22 -22
01.02
Sun
day
15 h
Mostly cloudy -11 759 N
6 m/s
0.0 -19 -18
01.02
Sun
even
18 h
Mostly cloudy -8 757 NW
6 m/s
0.0 -15 -14
01.02
Sun
even
21 h
Light cloudy -6 757 NW
6 m/s
0.0 -12 -12
02.02
Mon
night
00 h
Light cloudy -8 759 NW
6 m/s
0.0 -15 -15
02.02
Mon
night
03 h
Clear -10 760 NW
5 m/s
0.0 -17 -17
02.02
Mon
morn
06 h
Light cloudy -11 765 W
4 m/s
0.0 -18 -18
Fri, 30.01
Fri
Fri
Fri
Fri
Sat
Sat
Sat
Sat
12 h
15 h
18 h
21 h
00 h
03 h
06 h
09 h
Air temperature,°С
-15
-12
-10
-10
-13
-17
-17
-18
Atmospheric pressure
768
769
768
768
768
768
768
768
Wind
W
3 m/s
W
5 m/s
NW
5 m/s
W
4 m/s
W
2 m/s
NW
2 m/s
W
2 m/s
NW
2 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
-21
-20
-18
-17
-18
-22
-22
-23
Tefs,°C
-21
-18
-16
-17
-18
-22
-22
-23
Weather comfort
 
 
 
 
 
 
 
 
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
-18
-13
-10
-9
-9
-10
-12
-13
Atmospheric pressure
767
768
766
764
764
763
761
760
Wind
NW
2 m/s
N
3 m/s
N
3 m/s
N
3 m/s
N
3 m/s
N
5 m/s
W
5 m/s
N
5 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
-24
-19
-15
-13
-14
-18
-19
-21
Tefs,°C
-24
-17
-14
-13
-14
-18
-19
-21
Weather comfort
 
 
 
 
 
 
 
 
Sun
Sun
Sun
Sun
Mon
Mon
Mon
12 h
15 h
18 h
21 h
00 h
03 h
06 h
Air temperature,°С
-13
-11
-8
-6
-8
-10
-11
Atmospheric pressure
759
759
757
757
759
760
765
Wind
N
6 m/s
N
6 m/s
NW
6 m/s
NW
6 m/s
NW
6 m/s
NW
5 m/s
W
4 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
-22
-19
-15
-12
-15
-17
-18
Tefs,°C
-22
-18
-14
-12
-15
-17
-18
Weather comfort
 
 
 
 
 
 
 
 
  • Fri, 30.01
  • Sat, 31.01
  • Sun, 01.02
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.