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

Date Time Weather type Air temperature, °C Atmospheric pressure Wind Precipitation, mm Tef, °C Tefs, °C Weather comfort
17.05
Sun
morn
07 h
Light cloudy +8 758 SW
3 m/s
0.0 +6 +9
17.05
Sun
day
13 h
Mostly cloudy +10 761 SW
4 m/s
0.0 +9 +12
17.05
Sun
even
19 h
Clear +12 762 SW
4 m/s
0.0 +11 +11
18.05
Mon
night
01 h
Clear +7 764 SW
2 m/s
0.0 +6 +6
18.05
Mon
morn
07 h
Clear +8 765 N
2 m/s
0.0 +7 +12
18.05
Mon
day
13 h
Light cloudy +13 765 SE
1 m/s
0.0 +14 +23
18.05
Mon
even
19 h
Partly cloudy +13 764 E
1 m/s
0.0 +14 +14
19.05
Tue
night
01 h
Light rain +11 762 NE
5 m/s
0.4 +10 +10
19.05
Tue
morn
07 h
Rain +12 760 NE
4 m/s
3.8 +10 +11
19.05
Tue
day
13 h
Rain +13 759 E
5 m/s
0.8 +11 +13
19.05
Tue
even
19 h
Rain +12 759 E
4 m/s
2.7 +11 +11
20.05
Wen
night
01 h
Mostly cloudy +10 760 S
2 m/s
0.0 +10 +10
20.05
Wen
morn
07 h
Cloudy +10 762 S
4 m/s
0.0 +9 +10
20.05
Wen
day
13 h
Mostly cloudy +11 573 SW
3 m/s
0.0 +10 +13
20.05
Wen
even
19 h
Clear +11 526 SW
2 m/s
0.0 +11 +11
21.05
Thu
night
01 h
Clear +6 515 W
1 m/s
0.0 +7 +7
21.05
Thu
morn
07 h
Clear +7 512 W
1 m/s
0.0 +7 +13
21.05
Thu
day
13 h
Clear +12 511 SW
1 m/s
0.0 +13 +25
Sun, 17.05
Sun
Sun
Sun
Mon
Mon
Mon
Mon
Tue
07 h
13 h
19 h
01 h
07 h
13 h
19 h
01 h
Air temperature,°С
+8
+10
+12
+7
+8
+13
+13
+11
Atmospheric pressure
758
761
762
764
765
765
764
762
Wind
SW
3 m/s
SW
4 m/s
SW
4 m/s
SW
2 m/s
N
2 m/s
SE
1 m/s
E
1 m/s
NE
5 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.4
Tef,°C
+6
+9
+11
+6
+7
+14
+14
+10
Tefs,°C
+9
+12
+11
+6
+12
+23
+14
+10
Weather comfort
 
 
 
 
 
 
 
 
Tue
Tue
Tue
Wen
Wen
Wen
Wen
Thu
07 h
13 h
19 h
01 h
07 h
13 h
19 h
01 h
Air temperature,°С
+12
+13
+12
+10
+10
+11
+11
+6
Atmospheric pressure
760
759
759
760
762
573
526
515
Wind
NE
4 m/s
E
5 m/s
E
4 m/s
S
2 m/s
S
4 m/s
SW
3 m/s
SW
2 m/s
W
1 m/s
Precipitation, mm
3.8
0.8
2.7
0.0
0.0
0.0
0.0
0.0
Tef,°C
+10
+11
+11
+10
+9
+10
+11
+7
Tefs,°C
+11
+13
+11
+10
+10
+13
+11
+7
Weather comfort
 
 
 
 
 
 
 
 
Thu
Thu
07 h
13 h
Air temperature,°С
+7
+12
Atmospheric pressure
512
511
Wind
W
1 m/s
SW
1 m/s
Precipitation, mm
0.0
0.0
Tef,°C
+7
+13
Tefs,°C
+13
+25
Weather comfort
 
 
 
 
 
 
 
 
Air temperature,°С
Atmospheric pressure
Wind
Precipitation, mm
Tef,°C
Tefs,°C
Weather comfort
 
 
 
 
 
 
 
 
  • Sun, 17.05
  • Tue, 19.05
  • Thu, 21.05
  • , .
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.