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The table shows the combined weather forecast in Reykjavik 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 Reykjavik

Date Time Weather type Air temperature, °C Atmospheric pressure Wind Precipitation, mm Tef, °C Tefs, °C Weather comfort
25.10
Sat
night
00 h
Light cloudy +1 759 NE
4 m/s
0.0 -3 -3
25.10
Sat
night
03 h
Light cloudy 0 759 E
2 m/s
0.0 -2 -2
25.10
Sat
morn
06 h
Light cloudy -1 759 E
3 m/s
0.0 -4 -4
25.10
Sat
morn
09 h
Partly cloudy -1 758 E
3 m/s
0.0 -4 -4
25.10
Sat
day
12 h
Mostly cloudy +1 757 E
3 m/s
0.0 -2 -2
25.10
Sat
day
15 h
Mostly cloudy +2 755 E
5 m/s
0.0 -1 -1
25.10
Sat
even
18 h
Snow with rain +2 752 E
6 m/s
0.5 -2 -2
25.10
Sat
even
21 h
Snow with rain +2 749 E
7 m/s
1.1 -2 -2
26.10
Sun
night
00 h
Rain +3 746 E
6 m/s
2.1 -1 -1
26.10
Sun
night
03 h
Snow with rain +2 745 NE
5 m/s
1.8 -1 -1
26.10
Sun
morn
06 h
Snow with rain +2 746 NE
4 m/s
1.0 -1 -1
26.10
Sun
morn
09 h
Snow with rain +2 748 N
3 m/s
0.4 -1 -1
26.10
Sun
day
12 h
Mostly cloudy +2 750 W
3 m/s
0.0 -1 -1
26.10
Sun
day
15 h
Mostly cloudy +2 750 N
3 m/s
0.0 0 0
26.10
Sun
even
18 h
Partly cloudy +2 751 N
3 m/s
0.0 -1 -1
26.10
Sun
even
21 h
Partly cloudy +1 752 NE
2 m/s
0.0 0 0
27.10
Mon
night
00 h
Partly cloudy +1 752 NE
2 m/s
0.0 -1 -1
27.10
Mon
night
03 h
Partly cloudy -1 751 NE
2 m/s
0.0 -3 -3
27.10
Mon
morn
06 h
Light cloudy 0 750 NE
3 m/s
0.0 -3 -3
27.10
Mon
morn
09 h
Light cloudy 0 750 E
3 m/s
0.0 -3 -3
27.10
Mon
day
12 h
Partly cloudy +2 749 NE
3 m/s
0.0 -1 -1
27.10
Mon
day
15 h
Mostly cloudy +3 748 NE
3 m/s
0.0 0 0
27.10
Mon
even
18 h
Partly cloudy +2 747 E
3 m/s
0.0 0 0
Sat, 25.10
Sat
Sat
Sat
Sat
Sat
Sat
Sat
Sat
00 h
03 h
06 h
09 h
12 h
15 h
18 h
21 h
Air temperature,°С
+1
0
-1
-1
+1
+2
+2
+2
Atmospheric pressure
759
759
759
758
757
755
752
749
Wind
NE
4 m/s
E
2 m/s
E
3 m/s
E
3 m/s
E
3 m/s
E
5 m/s
E
6 m/s
E
7 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.5
1.1
Tef,°C
-3
-2
-4
-4
-2
-1
-2
-2
Tefs,°C
-3
-2
-4
-4
-2
-1
-2
-2
Weather comfort
 
 
 
 
 
 
 
 
Sun
Sun
Sun
Sun
Sun
Sun
Sun
Sun
00 h
03 h
06 h
09 h
12 h
15 h
18 h
21 h
Air temperature,°С
+3
+2
+2
+2
+2
+2
+2
+1
Atmospheric pressure
746
745
746
748
750
750
751
752
Wind
E
6 m/s
NE
5 m/s
NE
4 m/s
N
3 m/s
W
3 m/s
N
3 m/s
N
3 m/s
NE
2 m/s
Precipitation, mm
2.1
1.8
1.0
0.4
0.0
0.0
0.0
0.0
Tef,°C
-1
-1
-1
-1
-1
0
-1
0
Tefs,°C
-1
-1
-1
-1
-1
0
-1
0
Weather comfort
 
 
 
 
 
 
 
 
Mon
Mon
Mon
Mon
Mon
Mon
Mon
00 h
03 h
06 h
09 h
12 h
15 h
18 h
Air temperature,°С
+1
-1
0
0
+2
+3
+2
Atmospheric pressure
752
751
750
750
749
748
747
Wind
NE
2 m/s
NE
2 m/s
NE
3 m/s
E
3 m/s
NE
3 m/s
NE
3 m/s
E
3 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
-1
-3
-3
-3
-1
0
0
Tefs,°C
-1
-3
-3
-3
-1
0
0
Weather comfort
 
 
 
 
 
 
 
 
  • Sat, 25.10
  • Sun, 26.10
  • Mon, 27.10
Location of a geographical point Reykjavik (Iceland): latitude 64.1275 longitude -21.9023 height above sea level 61 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.