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The table shows the combined weather forecast in Porto 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 Porto

Date Time Weather type Air temperature, °C Atmospheric pressure Wind Precipitation, mm Tef, °C Tefs, °C Weather comfort
06.04
Mon
night
03 h
Clear +15 756 E
2 m/s
0.0 +16 +16
06.04
Mon
morn
06 h
Clear +14 755 E
3 m/s
0.0 +14 +14
06.04
Mon
morn
09 h
Clear +17 755 E
2 m/s
0.0 +18 +24
06.04
Mon
day
12 h
Clear +25 755 S
4 m/s
0.0 +21 +30
06.04
Mon
day
15 h
Partly cloudy +26 754 SW
5 m/s
0.0 +21 +24
06.04
Mon
even
18 h
Mostly cloudy +19 754 SW
5 m/s
0.0 +18 +18
06.04
Mon
even
21 h
Rain +16 753 S
3 m/s
1.8 +16 +16
07.04
Tue
night
00 h
Rain +16 753 S
4 m/s
2.0 +15 +15
07.04
Tue
night
03 h
Rain +15 752 S
5 m/s
1.2 +14 +14
07.04
Tue
morn
06 h
Rain +15 751 S
5 m/s
1.9 +14 +14
07.04
Tue
morn
09 h
Rain +15 751 S
4 m/s
3.0 +14 +15
07.04
Tue
day
12 h
Rain +15 752 S
5 m/s
4.2 +14 +15
07.04
Tue
day
15 h
Rain +13 752 SW
4 m/s
2.3 +11 +12
07.04
Tue
even
18 h
Rain +13 753 S
4 m/s
1.4 +11 +11
07.04
Tue
even
21 h
Light rain +11 754 SE
3 m/s
1.1 +10 +10
08.04
Wen
night
00 h
Partly cloudy +11 755 SE
2 m/s
0.1 +10 +10
08.04
Wen
night
03 h
Partly cloudy +10 755 SE
2 m/s
0.0 +9 +9
08.04
Wen
morn
06 h
Light cloudy +9 755 E
2 m/s
0.2 +9 +9
08.04
Wen
morn
09 h
Partly cloudy +11 757 E
1 m/s
0.0 +11 +14
08.04
Wen
day
12 h
Mostly cloudy +14 758 N
2 m/s
0.0 +14 +19
08.04
Wen
day
15 h
Partly cloudy +16 758 NW
3 m/s
0.1 +15 +19
08.04
Wen
even
18 h
Light rain +14 759 W
3 m/s
0.3 +13 +13
08.04
Wen
even
21 h
Partly cloudy +12 760 N
2 m/s
0.0 +12 +12
Mon, 06.04
Mon
Mon
Mon
Mon
Mon
Mon
Mon
Tue
03 h
06 h
09 h
12 h
15 h
18 h
21 h
00 h
Air temperature,°С
+15
+14
+17
+25
+26
+19
+16
+16
Atmospheric pressure
756
755
755
755
754
754
753
753
Wind
E
2 m/s
E
3 m/s
E
2 m/s
S
4 m/s
SW
5 m/s
SW
5 m/s
S
3 m/s
S
4 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
1.8
2.0
Tef,°C
+16
+14
+18
+21
+21
+18
+16
+15
Tefs,°C
+16
+14
+24
+30
+24
+18
+16
+15
Weather comfort
 
 
 
 
 
 
 
 
Tue
Tue
Tue
Tue
Tue
Tue
Tue
Wen
03 h
06 h
09 h
12 h
15 h
18 h
21 h
00 h
Air temperature,°С
+15
+15
+15
+15
+13
+13
+11
+11
Atmospheric pressure
752
751
751
752
752
753
754
755
Wind
S
5 m/s
S
5 m/s
S
4 m/s
S
5 m/s
SW
4 m/s
S
4 m/s
SE
3 m/s
SE
2 m/s
Precipitation, mm
1.2
1.9
3.0
4.2
2.3
1.4
1.1
0.1
Tef,°C
+14
+14
+14
+14
+11
+11
+10
+10
Tefs,°C
+14
+14
+15
+15
+12
+11
+10
+10
Weather comfort
 
 
 
 
 
 
 
 
Wen
Wen
Wen
Wen
Wen
Wen
Wen
03 h
06 h
09 h
12 h
15 h
18 h
21 h
Air temperature,°С
+10
+9
+11
+14
+16
+14
+12
Atmospheric pressure
755
755
757
758
758
759
760
Wind
SE
2 m/s
E
2 m/s
E
1 m/s
N
2 m/s
NW
3 m/s
W
3 m/s
N
2 m/s
Precipitation, mm
0.0
0.2
0.0
0.0
0.1
0.3
0.0
Tef,°C
+9
+9
+11
+14
+15
+13
+12
Tefs,°C
+9
+9
+14
+19
+19
+13
+12
Weather comfort
 
 
 
 
 
 
 
 
  • Mon, 06.04
  • Tue, 07.04
  • Wen, 08.04
Location of a geographical point Porto (Portugal): latitude 41.2322 longitude -8.6789 height above sea level 77 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.