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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
07.04
Tue
night
03 h
Rain +16 752 SE
4 m/s
1.2 +15 +15
07.04
Tue
morn
06 h
Light rain +16 751 SE
4 m/s
0.5 +16 +16
07.04
Tue
morn
09 h
Light rain +17 750 SE
5 m/s
0.5 +16 +18
07.04
Tue
day
12 h
Heavy rain +15 751 S
5 m/s
5.0 +14 +15
07.04
Tue
day
15 h
Rain +12 752 SW
5 m/s
2.9 +11 +12
07.04
Tue
even
18 h
Light rain +13 752 S
4 m/s
0.5 +12 +12
07.04
Tue
even
21 h
Light rain +12 753 SE
3 m/s
0.3 +11 +11
08.04
Wen
night
00 h
Light cloudy +11 754 SE
3 m/s
0.0 +10 +10
08.04
Wen
night
03 h
Light cloudy +9 755 SE
2 m/s
0.0 +9 +9
08.04
Wen
morn
06 h
Light cloudy +9 755 E
1 m/s
0.0 +9 +9
08.04
Wen
morn
09 h
Partly cloudy +11 756 NE
2 m/s
0.0 +10 +13
08.04
Wen
day
12 h
Light rain +14 757 SE
2 m/s
0.5 +14 +20
08.04
Wen
day
15 h
Light rain +14 758 NW
3 m/s
0.5 +14 +17
08.04
Wen
even
18 h
Rain +14 758 NW
3 m/s
1.1 +14 +14
08.04
Wen
even
21 h
Light cloudy +12 759 N
2 m/s
0.1 +11 +11
09.04
Thu
night
00 h
Light cloudy +11 760 NE
1 m/s
0.0 +12 +12
09.04
Thu
night
03 h
Light cloudy +10 759 NE
2 m/s
0.0 +9 +9
09.04
Thu
morn
06 h
Light cloudy +11 759 NE
1 m/s
0.0 +11 +11
09.04
Thu
morn
09 h
Light cloudy +13 759 NE
2 m/s
0.0 +13 +17
09.04
Thu
day
12 h
Light cloudy +19 758 NE
3 m/s
0.0 +19 +29
09.04
Thu
day
15 h
Clear +25 756 NE
4 m/s
0.0 +21 +27
09.04
Thu
even
18 h
Clear +26 754 NE
5 m/s
0.0 +21 +22
09.04
Thu
even
21 h
Clear +21 755 NE
4 m/s
0.0 +19 +19
Tue, 07.04
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
+16
+16
+17
+15
+12
+13
+12
+11
Atmospheric pressure
752
751
750
751
752
752
753
754
Wind
SE
4 m/s
SE
4 m/s
SE
5 m/s
S
5 m/s
SW
5 m/s
S
4 m/s
SE
3 m/s
SE
3 m/s
Precipitation, mm
1.2
0.5
0.5
5.0
2.9
0.5
0.3
0.0
Tef,°C
+15
+16
+16
+14
+11
+12
+11
+10
Tefs,°C
+15
+16
+18
+15
+12
+12
+11
+10
Weather comfort
 
 
 
 
 
 
 
 
Wen
Wen
Wen
Wen
Wen
Wen
Wen
Thu
03 h
06 h
09 h
12 h
15 h
18 h
21 h
00 h
Air temperature,°С
+9
+9
+11
+14
+14
+14
+12
+11
Atmospheric pressure
755
755
756
757
758
758
759
760
Wind
SE
2 m/s
E
1 m/s
NE
2 m/s
SE
2 m/s
NW
3 m/s
NW
3 m/s
N
2 m/s
NE
1 m/s
Precipitation, mm
0.0
0.0
0.0
0.5
0.5
1.1
0.1
0.0
Tef,°C
+9
+9
+10
+14
+14
+14
+11
+12
Tefs,°C
+9
+9
+13
+20
+17
+14
+11
+12
Weather comfort
 
 
 
 
 
 
 
 
Thu
Thu
Thu
Thu
Thu
Thu
Thu
03 h
06 h
09 h
12 h
15 h
18 h
21 h
Air temperature,°С
+10
+11
+13
+19
+25
+26
+21
Atmospheric pressure
759
759
759
758
756
754
755
Wind
NE
2 m/s
NE
1 m/s
NE
2 m/s
NE
3 m/s
NE
4 m/s
NE
5 m/s
NE
4 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
+9
+11
+13
+19
+21
+21
+19
Tefs,°C
+9
+11
+17
+29
+27
+22
+19
Weather comfort
 
 
 
 
 
 
 
 
  • Tue, 07.04
  • Wen, 08.04
  • Thu, 09.04
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.