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

Date Time Weather type Air temperature, °C Atmospheric pressure Wind Precipitation, mm Tef, °C Tefs, °C Weather comfort
12.12
Fri
night
01 h
Cloudy +2 756 N
4 m/s
0.0 -1 -1
12.12
Fri
night
04 h
Cloudy +1 758 N
5 m/s
0.0 -3 -3
12.12
Fri
morn
07 h
Cloudy +1 760 N
6 m/s
0.0 -4 -4
12.12
Fri
morn
10 h
Light cloudy -1 763 N
6 m/s
0.0 -6 -6
12.12
Fri
day
13 h
Clear -2 766 N
6 m/s
0.0 -7 -7
12.12
Fri
day
16 h
Clear -2 768 N
5 m/s
0.0 -7 -7
12.12
Fri
even
19 h
Clear -3 769 N
5 m/s
0.0 -8 -8
12.12
Fri
even
22 h
Light cloudy -4 771 N
4 m/s
0.0 -8 -8
13.12
Sat
night
01 h
Partly cloudy -4 772 N
3 m/s
0.0 -7 -7
13.12
Sat
night
04 h
Mostly cloudy -4 772 N
3 m/s
0.0 -7 -7
13.12
Sat
morn
07 h
Mostly cloudy -3 772 N
1 m/s
0.0 -4 -4
13.12
Sat
morn
10 h
Mostly cloudy -3 771 NE
1 m/s
0.0 -4 -4
13.12
Sat
day
13 h
Mostly cloudy -1 770 SE
1 m/s
0.0 -1 -1
13.12
Sat
day
16 h
Mostly cloudy 0 769 S
4 m/s
0.0 -4 -4
13.12
Sat
even
19 h
Mostly cloudy 0 766 S
6 m/s
0.0 -5 -5
13.12
Sat
even
22 h
Mostly cloudy -0 765 S
6 m/s
0.0 -5 -5
14.12
Sun
night
01 h
Mostly cloudy -1 764 S
7 m/s
0.0 -6 -6
14.12
Sun
night
04 h
Light snow -1 762 S
6 m/s
0.2 -6 -6
14.12
Sun
morn
07 h
Light snow -1 762 SE
5 m/s
0.3 -5 -5
14.12
Sun
morn
10 h
Light snow -1 761 SE
5 m/s
0.2 -6 -6
14.12
Sun
day
13 h
Snow with rain -1 760 S
5 m/s
0.2 -5 -5
14.12
Sun
day
16 h
Cloudy -0 759 S
5 m/s
0.0 -5 -5
14.12
Sun
even
19 h
Snow with rain +1 757 S
5 m/s
1.5 -4 -4
Fri, 12.12
Fri
Fri
Fri
Fri
Fri
Fri
Fri
Fri
01 h
04 h
07 h
10 h
13 h
16 h
19 h
22 h
Air temperature,°С
+2
+1
+1
-1
-2
-2
-3
-4
Atmospheric pressure
756
758
760
763
766
768
769
771
Wind
N
4 m/s
N
5 m/s
N
6 m/s
N
6 m/s
N
6 m/s
N
5 m/s
N
5 m/s
N
4 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
-1
-3
-4
-6
-7
-7
-8
-8
Tefs,°C
-1
-3
-4
-6
-7
-7
-8
-8
Weather comfort
 
 
 
 
 
 
 
 
Sat
Sat
Sat
Sat
Sat
Sat
Sat
Sat
01 h
04 h
07 h
10 h
13 h
16 h
19 h
22 h
Air temperature,°С
-4
-4
-3
-3
-1
0
0
-0
Atmospheric pressure
772
772
772
771
770
769
766
765
Wind
N
3 m/s
N
3 m/s
N
1 m/s
NE
1 m/s
SE
1 m/s
S
4 m/s
S
6 m/s
S
6 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
-7
-7
-4
-4
-1
-4
-5
-5
Tefs,°C
-7
-7
-4
-4
-1
-4
-5
-5
Weather comfort
 
 
 
 
 
 
 
 
Sun
Sun
Sun
Sun
Sun
Sun
Sun
01 h
04 h
07 h
10 h
13 h
16 h
19 h
Air temperature,°С
-1
-1
-1
-1
-1
-0
+1
Atmospheric pressure
764
762
762
761
760
759
757
Wind
S
7 m/s
S
6 m/s
SE
5 m/s
SE
5 m/s
S
5 m/s
S
5 m/s
S
5 m/s
Precipitation, mm
0.0
0.2
0.3
0.2
0.2
0.0
1.5
Tef,°C
-6
-6
-5
-6
-5
-5
-4
Tefs,°C
-6
-6
-5
-6
-5
-5
-4
Weather comfort
 
 
 
 
 
 
 
 
  • Fri, 12.12
  • Sat, 13.12
  • Sun, 14.12
Location of a geographical point Helsinki (Finland): latitude 60.1750 longitude 24.9444 height above sea level 4 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.