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The table shows the combined weather forecast in Lerwick 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 Lerwick

Date Time Weather type Air temperature, °C Atmospheric pressure Wind Precipitation, mm Tef, °C Tefs, °C Weather comfort
21.11
Thu
night
00 h
Snow with rain +3 737 W
5 m/s
0.4 0 0
21.11
Thu
night
03 h
Clear +3 735 NW
3 m/s
0.2 +1 +1
21.11
Thu
morn
06 h
Light cloudy +3 735 NE
2 m/s
0.2 +2 +2
21.11
Thu
morn
09 h
Snow with rain +4 735 NE
4 m/s
2.0 +1 +1
21.11
Thu
day
12 h
Snow with rain +4 735 E
6 m/s
2.0 0 0
21.11
Thu
day
15 h
Snow with rain +4 736 NE
7 m/s
0.3 0 0
21.11
Thu
even
18 h
Snow with rain +4 737 NE
5 m/s
0.4 0 0
21.11
Thu
even
21 h
Heavy shower with snow +4 738 NE
7 m/s
0.5 0 0
22.11
Fri
night
00 h
Light cloudy +6 739 NE
8 m/s
0.1 +1 +1
22.11
Fri
night
03 h
Mostly cloudy +4 741 NE
8 m/s
0.1 0 0
22.11
Fri
morn
06 h
Snow with rain +4 742 N
7 m/s
0.1 0 0
22.11
Fri
morn
09 h
Light rain +3 743 W
6 m/s
0.3 -1 -1
22.11
Fri
day
12 h
Partly cloudy +4 744 N
7 m/s
0.1 0 0
22.11
Fri
day
15 h
Light cloudy +4 744 NW
6 m/s
0.1 0 0
22.11
Fri
even
18 h
Clear +3 745 NW
6 m/s
0.0 -1 -1
22.11
Fri
even
21 h
Clear +3 747 NW
5 m/s
0.0 -1 -1
23.11
Sat
night
00 h
Clear +3 748 NW
3 m/s
0.0 0 0
23.11
Sat
night
03 h
Clear +3 749 NW
3 m/s
0.0 0 0
23.11
Sat
morn
06 h
Clear +2 749 NE
1 m/s
0.0 +2 +2
23.11
Sat
morn
09 h
Light cloudy +4 749 E
3 m/s
0.0 +2 +2
23.11
Sat
day
12 h
Light cloudy +5 748 E
6 m/s
0.0 +2 +2
23.11
Sat
day
15 h
Mostly cloudy +6 745 SE
8 m/s
0.0 +1 +1
23.11
Sat
even
18 h
Cloudy +7 744 E
11 m/s
0.1 +2 +2
Thu, 21.11
Thu
Thu
Thu
Thu
Thu
Thu
Thu
Thu
00 h
03 h
06 h
09 h
12 h
15 h
18 h
21 h
Air temperature,°С
+3
+3
+3
+4
+4
+4
+4
+4
Atmospheric pressure
737
735
735
735
735
736
737
738
Wind
W
5 m/s
NW
3 m/s
NE
2 m/s
NE
4 m/s
E
6 m/s
NE
7 m/s
NE
5 m/s
NE
7 m/s
Precipitation, mm
0.4
0.2
0.2
2.0
2.0
0.3
0.4
0.5
Tef,°C
0
+1
+2
+1
0
0
0
0
Tefs,°C
0
+1
+2
+1
0
0
0
0
Weather comfort
 
 
 
 
 
 
 
 
Fri
Fri
Fri
Fri
Fri
Fri
Fri
Fri
00 h
03 h
06 h
09 h
12 h
15 h
18 h
21 h
Air temperature,°С
+6
+4
+4
+3
+4
+4
+3
+3
Atmospheric pressure
739
741
742
743
744
744
745
747
Wind
NE
8 m/s
NE
8 m/s
N
7 m/s
W
6 m/s
N
7 m/s
NW
6 m/s
NW
6 m/s
NW
5 m/s
Precipitation, mm
0.1
0.1
0.1
0.3
0.1
0.1
0.0
0.0
Tef,°C
+1
0
0
-1
0
0
-1
-1
Tefs,°C
+1
0
0
-1
0
0
-1
-1
Weather comfort
 
 
 
 
 
 
 
 
Sat
Sat
Sat
Sat
Sat
Sat
Sat
00 h
03 h
06 h
09 h
12 h
15 h
18 h
Air temperature,°С
+3
+3
+2
+4
+5
+6
+7
Atmospheric pressure
748
749
749
749
748
745
744
Wind
NW
3 m/s
NW
3 m/s
NE
1 m/s
E
3 m/s
E
6 m/s
SE
8 m/s
E
11 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.1
Tef,°C
0
0
+2
+2
+2
+1
+2
Tefs,°C
0
0
+2
+2
+2
+1
+2
Weather comfort
 
 
 
 
 
 
 
 
  • Thu, 21.11
  • Fri, 22.11
  • Sat, 23.11
Location of a geographical point Lerwick (United Kingdom): latitude 60.13 longitude -1.18 height above sea level 84 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.