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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
10.01
Sat
night
03 h
Partly cloudy +10 753 S
9 m/s
0.0 +7 +7
10.01
Sat
morn
09 h
Light rain +12 750 S
9 m/s
0.5 +9 +9
10.01
Sat
day
15 h
Rain +13 747 SW
10 m/s
0.8 +11 +11
10.01
Sat
even
21 h
Heavy rain +13 745 SW
11 m/s
5.3 +10 +10
11.01
Sun
night
03 h
Rain +12 746 SW
8 m/s
3.2 +10 +10
11.01
Sun
morn
09 h
Rain +11 748 W
4 m/s
1.3 +9 +9
11.01
Sun
day
15 h
Rain +6 752 N
8 m/s
1.9 +2 +2
11.01
Sun
even
21 h
Light rain +5 755 NE
8 m/s
0.6 0 0
12.01
Mon
night
03 h
Light rain +4 757 N
9 m/s
0.5 -1 -1
12.01
Mon
morn
09 h
Rain +3 759 N
8 m/s
1.0 -2 -2
12.01
Mon
day
15 h
Snow with rain +3 760 N
8 m/s
1.0 -1 -1
12.01
Mon
even
21 h
Snow with rain +3 762 N
7 m/s
0.2 -2 -2
13.01
Tue
night
03 h
Partly cloudy +2 763 N
6 m/s
0.0 -2 -2
13.01
Tue
morn
09 h
Clear +2 765 NW
4 m/s
0.0 -2 -2
13.01
Tue
day
15 h
Clear +3 765 W
4 m/s
0.0 0 +2
13.01
Tue
even
21 h
Partly cloudy +4 764 W
3 m/s
0.0 +2 +2
14.01
Wen
night
03 h
Mostly cloudy +6 764 SW
4 m/s
0.0 +3 +3
14.01
Wen
morn
09 h
Cloudy +7 765 SW
4 m/s
0.1 +5 +5
14.01
Wen
day
15 h
Mostly cloudy +8 766 W
4 m/s
0.1 +6 +7
14.01
Wen
even
21 h
Mostly cloudy +8 766 E
2 m/s
0.0 +7 +7
15.01
Thu
night
03 h
Mostly cloudy +8 766 S
2 m/s
0.1 +7 +7
15.01
Thu
morn
09 h
Partly cloudy +8 766 S
3 m/s
0.0 +7 +7
15.01
Thu
day
15 h
Partly cloudy +9 766 NW
3 m/s
0.0 +8 +9
15.01
Thu
even
21 h
Light cloudy +9 767 E
2 m/s
0.0 +8 +8
16.01
Fri
night
03 h
Light cloudy +7 766 S
3 m/s
0.0 +5 +5
16.01
Fri
morn
09 h
Partly cloudy +7 767 E
3 m/s
0.0 +5 +5
16.01
Fri
day
15 h
Light cloudy +10 766 S
3 m/s
0.0 +9 +11
16.01
Fri
even
21 h
Clear +9 766 E
3 m/s
0.0 +8 +8
Sat, 10.01
Sat
Sat
Sat
Sat
Sun
Sun
Sun
Sun
03 h
09 h
15 h
21 h
03 h
09 h
15 h
21 h
Air temperature,°С
+10
+12
+13
+13
+12
+11
+6
+5
Atmospheric pressure
753
750
747
745
746
748
752
755
Wind
S
9 m/s
S
9 m/s
SW
10 m/s
SW
11 m/s
SW
8 m/s
W
4 m/s
N
8 m/s
NE
8 m/s
Precipitation, mm
0.0
0.5
0.8
5.3
3.2
1.3
1.9
0.6
Tef,°C
+7
+9
+11
+10
+10
+9
+2
0
Tefs,°C
+7
+9
+11
+10
+10
+9
+2
0
Weather comfort
 
 
 
 
 
 
 
 
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
+4
+3
+3
+3
+2
+2
+3
+4
Atmospheric pressure
757
759
760
762
763
765
765
764
Wind
N
9 m/s
N
8 m/s
N
8 m/s
N
7 m/s
N
6 m/s
NW
4 m/s
W
4 m/s
W
3 m/s
Precipitation, mm
0.5
1.0
1.0
0.2
0.0
0.0
0.0
0.0
Tef,°C
-1
-2
-1
-2
-2
-2
0
+2
Tefs,°C
-1
-2
-1
-2
-2
-2
+2
+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
+8
+8
+9
+9
Atmospheric pressure
764
765
766
766
766
766
766
767
Wind
SW
4 m/s
SW
4 m/s
W
4 m/s
E
2 m/s
S
2 m/s
S
3 m/s
NW
3 m/s
E
2 m/s
Precipitation, mm
0.0
0.1
0.1
0.0
0.1
0.0
0.0
0.0
Tef,°C
+3
+5
+6
+7
+7
+7
+8
+8
Tefs,°C
+3
+5
+7
+7
+7
+7
+9
+8
Weather comfort
 
 
 
 
 
 
 
 
Fri
Fri
Fri
Fri
Fri
03 h
09 h
15 h
21 h
19 h
Air temperature,°С
+7
+7
+10
+9
+4
Atmospheric pressure
766
767
766
766
722
Wind
S
3 m/s
E
3 m/s
S
3 m/s
E
3 m/s
calm
Precipitation, mm
0.0
0.0
0.0
0.0
2.9
Tef,°C
+5
+5
+9
+8
+4
Tefs,°C
+5
+5
+11
+8
+4
Weather comfort
 
 
 
 
 
 
 
 
  • Sat, 10.01
  • Mon, 12.01
  • Wen, 14.01
  • Fri, 16.01
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.