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The table shows the combined weather forecast in Istanbul for 14 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 Istanbul

Date Time Weather type Air temperature, °C Atmospheric pressure Wind Precipitation, mm Tef, °C Tefs, °C Weather comfort
12.01
Mon
night
03 h
Snow with rain +3 757 N
8 m/s
0.3 -1 -1
12.01
Mon
morn
09 h
Snow with rain +3 759 N
7 m/s
0.9 -2 -2
12.01
Mon
day
15 h
Snow with rain +3 760 N
8 m/s
0.3 -2 -2
12.01
Mon
even
21 h
Snow with rain +3 762 N
6 m/s
0.0 -2 -2
13.01
Tue
night
03 h
Light cloudy +1 763 NW
5 m/s
0.0 -3 -3
13.01
Tue
morn
09 h
Clear 0 764 NW
3 m/s
0.0 -3 -3
13.01
Tue
day
15 h
Clear +3 765 W
3 m/s
0.0 +1 +3
13.01
Tue
even
21 h
Partly cloudy +4 765 SW
4 m/s
0.0 +2 +2
14.01
Wen
night
03 h
Mostly cloudy +6 764 S
6 m/s
0.0 +3 +3
14.01
Wen
morn
09 h
Cloudy +7 764 SW
5 m/s
0.0 +4 +4
14.01
Wen
day
15 h
Cloudy +8 764 W
4 m/s
0.0 +6 +6
14.01
Wen
even
21 h
Mostly cloudy +8 765 E
2 m/s
0.0 +7 +7
15.01
Thu
night
03 h
Partly cloudy +9 765 S
2 m/s
0.0 +8 +8
15.01
Thu
morn
09 h
Light cloudy +9 764 S
4 m/s
0.0 +7 +7
15.01
Thu
day
15 h
Light cloudy +11 764 SW
4 m/s
0.0 +9 +11
15.01
Thu
even
21 h
Light cloudy +11 764 SW
3 m/s
0.0 +9 +9
16.01
Fri
night
03 h
Light cloudy +10 764 SW
4 m/s
0.0 +8 +8
16.01
Fri
morn
09 h
Light cloudy +9 764 SW
4 m/s
0.0 +8 +8
16.01
Fri
day
15 h
Light rain +10 764 NE
4 m/s
0.3 +9 +10
16.01
Fri
even
21 h
Light rain +7 766 E
5 m/s
0.4 +5 +5
17.01
Sat
night
03 h
Mostly cloudy +7 767 NE
4 m/s
0.0 +4 +4
17.01
Sat
morn
09 h
Mostly cloudy +7 768 E
4 m/s
0.0 +5 +5
17.01
Sat
day
15 h
Mostly cloudy +7 767 NE
6 m/s
0.0 +4 +4
17.01
Sat
even
21 h
Mostly cloudy +6 769 NE
4 m/s
0.0 +4 +4
18.01
Sun
night
03 h
Partly cloudy +5 769 NE
3 m/s
0.0 +3 +3
18.01
Sun
morn
09 h
Light rain +5 770 E
5 m/s
0.2 +1 +1
18.01
Sun
day
15 h
Light rain +6 769 E
5 m/s
0.3 +3 +4
18.01
Sun
even
21 h
Light cloudy +5 771 NE
4 m/s
0.1 +2 +2
Mon, 12.01
Mon
Mon
Mon
Mon
Tue
Tue
Tue
Tue
03 h
09 h
15 h
21 h
03 h
09 h
15 h
21 h
Air temperature,°С
+3
+3
+3
+3
+1
0
+3
+4
Atmospheric pressure
757
759
760
762
763
764
765
765
Wind
N
8 m/s
N
7 m/s
N
8 m/s
N
6 m/s
NW
5 m/s
NW
3 m/s
W
3 m/s
SW
4 m/s
Precipitation, mm
0.3
0.9
0.3
0.0
0.0
0.0
0.0
0.0
Tef,°C
-1
-2
-2
-2
-3
-3
+1
+2
Tefs,°C
-1
-2
-2
-2
-3
-3
+3
+2
Weather comfort
 
 
 
 
 
 
 
 
Wen
Wen
Wen
Wen
Thu
Thu
Thu
Thu
03 h
09 h
15 h
21 h
03 h
09 h
15 h
21 h
Air temperature,°С
+6
+7
+8
+8
+9
+9
+11
+11
Atmospheric pressure
764
764
764
765
765
764
764
764
Wind
S
6 m/s
SW
5 m/s
W
4 m/s
E
2 m/s
S
2 m/s
S
4 m/s
SW
4 m/s
SW
3 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
+3
+4
+6
+7
+8
+7
+9
+9
Tefs,°C
+3
+4
+6
+7
+8
+7
+11
+9
Weather comfort
 
 
 
 
 
 
 
 
Fri
Fri
Fri
Fri
Sat
Sat
Sat
Sat
03 h
09 h
15 h
21 h
03 h
09 h
15 h
21 h
Air temperature,°С
+10
+9
+10
+7
+7
+7
+7
+6
Atmospheric pressure
764
764
764
766
767
768
767
769
Wind
SW
4 m/s
SW
4 m/s
NE
4 m/s
E
5 m/s
NE
4 m/s
E
4 m/s
NE
6 m/s
NE
4 m/s
Precipitation, mm
0.0
0.0
0.3
0.4
0.0
0.0
0.0
0.0
Tef,°C
+8
+8
+9
+5
+4
+5
+4
+4
Tefs,°C
+8
+8
+10
+5
+4
+5
+4
+4
Weather comfort
 
 
 
 
 
 
 
 
Sun
Sun
Sun
Sun
Sun
03 h
09 h
15 h
21 h
19 h
Air temperature,°С
+5
+5
+6
+5
+4
Atmospheric pressure
769
770
769
771
730
Wind
NE
3 m/s
E
5 m/s
E
5 m/s
NE
4 m/s
NE
1 m/s
Precipitation, mm
0.0
0.2
0.3
0.1
0.0
Tef,°C
+3
+1
+3
+2
+4
Tefs,°C
+3
+1
+4
+2
+4
Weather comfort
 
 
 
 
 
 
 
 
Air temperature,°С
Atmospheric pressure
Wind
Precipitation, mm
Tef,°C
Tefs,°C
Weather comfort
 
 
 
 
 
 
 
 
Air temperature,°С
Atmospheric pressure
Wind
Precipitation, mm
Tef,°C
Tefs,°C
Weather comfort
 
 
 
 
 
 
 
 
Air temperature,°С
Atmospheric pressure
Wind
Precipitation, mm
Tef,°C
Tefs,°C
Weather comfort
 
 
 
 
 
 
 
 
  • Mon, 12.01
  • Wen, 14.01
  • Fri, 16.01
  • Sun, 18.01
  • , .
  • , .
  • , .
Location of a geographical point Istanbul (Turkey): latitude 40.9667 longitude 28.8167 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.