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www.weatherandclimate.eu
The table shows the combined weather forecast Istanbul 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 Istanbul

Date Time Weather type Air temperature, °C Atmospheric pressure Wind Precipitation, mm Tef, °C Tefs, °C Weather comfort
22.12
Sun
night
03 h
Light rain +8 756 N
7 m/s
0.4 +5 +5
22.12
Sun
morn
09 h
Light rain +6 759 NW
4 m/s
0.5 +4 +4
22.12
Sun
day
15 h
Light cloudy +8 759 SW
3 m/s
0.0 +6 +8
22.12
Sun
even
21 h
Clear +9 758 S
3 m/s
0.0 +7 +7
23.12
Mon
night
03 h
Light cloudy +10 756 S
4 m/s
0.0 +8 +8
23.12
Mon
morn
09 h
Light cloudy +10 754 SE
4 m/s
0.0 +8 +8
23.12
Mon
day
15 h
Light cloudy +12 752 S
3 m/s
0.0 +11 +13
23.12
Mon
even
21 h
Clear +12 750 SE
4 m/s
0.0 +11 +11
24.12
Tue
night
03 h
Mostly cloudy +12 748 SE
5 m/s
0.0 +11 +11
24.12
Tue
morn
09 h
Rain +12 749 SE
5 m/s
1.8 +10 +10
24.12
Tue
day
15 h
Light rain +12 749 SE
3 m/s
0.5 +11 +11
24.12
Tue
even
21 h
Rain +11 751 E
2 m/s
1.1 +10 +10
25.12
Wen
night
03 h
Light rain +10 753 NW
2 m/s
0.5 +10 +10
25.12
Wen
morn
09 h
Mostly cloudy +10 754 NE
3 m/s
0.1 +9 +9
25.12
Wen
day
15 h
Partly cloudy +12 755 N
5 m/s
0.0 +10 +11
25.12
Wen
even
21 h
Partly cloudy +11 757 NE
5 m/s
0.1 +9 +9
26.12
Thu
night
03 h
Light rain +10 758 N
3 m/s
0.3 +9 +9
26.12
Thu
morn
09 h
Rain +11 759 NE
5 m/s
2.3 +9 +9
26.12
Thu
day
15 h
Light rain +11 760 NE
6 m/s
0.0 +9 +9
26.12
Thu
even
21 h
Light rain +10 761 NE
5 m/s
0.0 +8 +8
27.12
Fri
night
03 h
Rain +9 762 NE
4 m/s
1.1 +7 +7
27.12
Fri
morn
09 h
Light rain +10 763 NE
7 m/s
0.3 +7 +7
27.12
Fri
day
15 h
Light rain +10 763 N
7 m/s
0.2 +7 +7
27.12
Fri
even
21 h
Light rain +9 765 N
7 m/s
0.3 +7 +7
28.12
Sat
night
03 h
Light rain +9 766 N
7 m/s
0.3 +6 +6
28.12
Sat
morn
09 h
Light rain +8 766 N
7 m/s
0.4 +5 +5
28.12
Sat
day
15 h
Cloudy +8 767 N
7 m/s
0.2 +5 +5
28.12
Sat
even
21 h
Light rain +7 768 N
7 m/s
0.2 +3 +3
Sun, 22.12
Sun
Sun
Sun
Sun
Mon
Mon
Mon
Mon
03 h
09 h
15 h
21 h
03 h
09 h
15 h
21 h
Air temperature,°С
+8
+6
+8
+9
+10
+10
+12
+12
Atmospheric pressure
756
759
759
758
756
754
752
750
Wind
N
7 m/s
NW
4 m/s
SW
3 m/s
S
3 m/s
S
4 m/s
SE
4 m/s
S
3 m/s
SE
4 m/s
Precipitation, mm
0.4
0.5
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
+5
+4
+6
+7
+8
+8
+11
+11
Tefs,°C
+5
+4
+8
+7
+8
+8
+13
+11
Weather comfort
 
 
 
 
 
 
 
 
Tue
Tue
Tue
Tue
Wen
Wen
Wen
Wen
03 h
09 h
15 h
21 h
03 h
09 h
15 h
21 h
Air temperature,°С
+12
+12
+12
+11
+10
+10
+12
+11
Atmospheric pressure
748
749
749
751
753
754
755
757
Wind
SE
5 m/s
SE
5 m/s
SE
3 m/s
E
2 m/s
NW
2 m/s
NE
3 m/s
N
5 m/s
NE
5 m/s
Precipitation, mm
0.0
1.8
0.5
1.1
0.5
0.1
0.0
0.1
Tef,°C
+11
+10
+11
+10
+10
+9
+10
+9
Tefs,°C
+11
+10
+11
+10
+10
+9
+11
+9
Weather comfort
 
 
 
 
 
 
 
 
Thu
Thu
Thu
Thu
Fri
Fri
Fri
Fri
03 h
09 h
15 h
21 h
03 h
09 h
15 h
21 h
Air temperature,°С
+10
+11
+11
+10
+9
+10
+10
+9
Atmospheric pressure
758
759
760
761
762
763
763
765
Wind
N
3 m/s
NE
5 m/s
NE
6 m/s
NE
5 m/s
NE
4 m/s
NE
7 m/s
N
7 m/s
N
7 m/s
Precipitation, mm
0.3
2.3
0.0
0.0
1.1
0.3
0.2
0.3
Tef,°C
+9
+9
+9
+8
+7
+7
+7
+7
Tefs,°C
+9
+9
+9
+8
+7
+7
+7
+7
Weather comfort
 
 
 
 
 
 
 
 
Sat
Sat
Sat
Sat
Sat
03 h
09 h
15 h
21 h
19 h
Air temperature,°С
+9
+8
+8
+7
-0
Atmospheric pressure
766
766
767
768
735
Wind
N
7 m/s
N
7 m/s
N
7 m/s
N
7 m/s
N
1 m/s
Precipitation, mm
0.3
0.4
0.2
0.2
0.0
Tef,°C
+6
+5
+5
+3
-1
Tefs,°C
+6
+5
+5
+3
-1
Weather comfort
 
 
 
 
 
 
 
 
  • Sun, 22.12
  • Tue, 24.12
  • Thu, 26.12
  • Sat, 28.12
Location of a geographical point Istanbul (Turkey): latitude 40.97 longitude 28.82 height above sea level 37 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.