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www.weatherandclimate.info
The table shows the combined weather forecast in 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
25.04
Sat
night
04 h
Cloudy +5 750 SW
4 m/s
0.0 +2 +2
25.04
Sat
morn
07 h
Light rain +5 748 SW
4 m/s
0.1 +2 +2
25.04
Sat
morn
10 h
Light rain +5 745 SW
4 m/s
0.5 +3 +4
25.04
Sat
day
13 h
Mostly cloudy +6 744 SW
5 m/s
0.0 +3 +4
25.04
Sat
day
16 h
Light rain +6 743 SW
5 m/s
0.4 +4 +4
25.04
Sat
even
19 h
Light rain +6 742 W
4 m/s
0.5 +4 +4
25.04
Sat
even
22 h
Cloudy +3 743 NW
7 m/s
0.2 -1 -1
26.04
Sun
night
01 h
Snow with rain +2 744 N
10 m/s
0.1 -4 -4
26.04
Sun
night
04 h
Mostly cloudy +1 746 NW
10 m/s
0.0 -5 -5
26.04
Sun
morn
07 h
Mostly cloudy +1 748 NW
9 m/s
0.0 -5 -5
26.04
Sun
morn
10 h
Partly cloudy +4 750 N
10 m/s
0.0 -2 -2
26.04
Sun
day
13 h
Light cloudy +6 752 N
10 m/s
0.0 +1 +1
26.04
Sun
day
16 h
Partly cloudy +6 754 N
9 m/s
0.0 +2 +2
26.04
Sun
even
19 h
Partly cloudy +6 755 N
8 m/s
0.0 +2 +2
26.04
Sun
even
22 h
Light cloudy +4 757 N
7 m/s
0.0 0 0
27.04
Mon
night
01 h
Clear +2 758 NW
7 m/s
0.0 -2 -2
27.04
Mon
night
04 h
Clear +1 758 NW
7 m/s
0.0 -4 -4
27.04
Mon
morn
07 h
Clear +2 759 NW
6 m/s
0.0 -3 -2
27.04
Mon
morn
10 h
Clear +5 759 NW
6 m/s
0.0 +2 +6
27.04
Mon
day
13 h
Partly cloudy +8 759 NW
7 m/s
0.0 +4 +5
27.04
Mon
day
16 h
Partly cloudy +7 759 N
6 m/s
0.1 +4 +5
27.04
Mon
even
19 h
Partly cloudy +7 759 N
7 m/s
0.1 +3 +3
27.04
Mon
even
22 h
Clear +4 760 NW
7 m/s
0.0 0 0
Sat, 25.04
Sat
Sat
Sat
Sat
Sat
Sat
Sat
Sun
04 h
07 h
10 h
13 h
16 h
19 h
22 h
01 h
Air temperature,°С
+5
+5
+5
+6
+6
+6
+3
+2
Atmospheric pressure
750
748
745
744
743
742
743
744
Wind
SW
4 m/s
SW
4 m/s
SW
4 m/s
SW
5 m/s
SW
5 m/s
W
4 m/s
NW
7 m/s
N
10 m/s
Precipitation, mm
0.0
0.1
0.5
0.0
0.4
0.5
0.2
0.1
Tef,°C
+2
+2
+3
+3
+4
+4
-1
-4
Tefs,°C
+2
+2
+4
+4
+4
+4
-1
-4
Weather comfort
 
 
 
 
 
 
 
 
Sun
Sun
Sun
Sun
Sun
Sun
Sun
Mon
04 h
07 h
10 h
13 h
16 h
19 h
22 h
01 h
Air temperature,°С
+1
+1
+4
+6
+6
+6
+4
+2
Atmospheric pressure
746
748
750
752
754
755
757
758
Wind
NW
10 m/s
NW
9 m/s
N
10 m/s
N
10 m/s
N
9 m/s
N
8 m/s
N
7 m/s
NW
7 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
-5
-5
-2
+1
+2
+2
0
-2
Tefs,°C
-5
-5
-2
+1
+2
+2
0
-2
Weather comfort
 
 
 
 
 
 
 
 
Mon
Mon
Mon
Mon
Mon
Mon
Mon
04 h
07 h
10 h
13 h
16 h
19 h
22 h
Air temperature,°С
+1
+2
+5
+8
+7
+7
+4
Atmospheric pressure
758
759
759
759
759
759
760
Wind
NW
7 m/s
NW
6 m/s
NW
6 m/s
NW
7 m/s
N
6 m/s
N
7 m/s
NW
7 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.1
0.1
0.0
Tef,°C
-4
-3
+2
+4
+4
+3
0
Tefs,°C
-4
-2
+6
+5
+5
+3
0
Weather comfort
 
 
 
 
 
 
 
 
  • Sat, 25.04
  • Sun, 26.04
  • Mon, 27.04
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.