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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
05.07
Sat
night
03 h
Clear +22 756 SW
1 m/s
0.0 +19 +19
05.07
Sat
morn
06 h
Clear +21 756 S
1 m/s
0.0 +20 +21
05.07
Sat
morn
09 h
Clear +23 757 SW
1 m/s
0.0 +19 +30
05.07
Sat
day
12 h
Clear +27 757 W
3 m/s
0.0 +22 +38
05.07
Sat
day
15 h
Clear +29 756 W
4 m/s
0.0 +24 +34
05.07
Sat
even
18 h
Clear +28 755 W
3 m/s
0.0 +23 +25
05.07
Sat
even
21 h
Clear +24 755 W
2 m/s
0.0 +20 +20
06.07
Sun
night
00 h
Clear +22 756 NW
3 m/s
0.0 +19 +19
06.07
Sun
night
03 h
Clear +20 755 NW
2 m/s
0.0 +19 +19
06.07
Sun
morn
06 h
Clear +19 755 N
3 m/s
0.0 +19 +19
06.07
Sun
morn
09 h
Clear +22 756 N
3 m/s
0.0 +19 +27
06.07
Sun
day
12 h
Clear +26 756 NW
4 m/s
0.0 +22 +35
06.07
Sun
day
15 h
Clear +28 755 NW
6 m/s
0.0 +23 +29
06.07
Sun
even
18 h
Clear +24 754 NW
6 m/s
0.0 +20 +21
06.07
Sun
even
21 h
Clear +21 754 NW
5 m/s
0.0 +19 +19
07.07
Mon
night
00 h
Clear +20 754 N
3 m/s
0.0 +19 +19
07.07
Mon
night
03 h
Clear +20 754 N
3 m/s
0.0 +19 +19
07.07
Mon
morn
06 h
Clear +19 753 N
2 m/s
0.0 +19 +19
07.07
Mon
morn
09 h
Clear +24 754 N
2 m/s
0.0 +20 +30
07.07
Mon
day
12 h
Clear +30 753 N
3 m/s
0.0 +25 +41
07.07
Mon
day
15 h
Clear +31 752 NW
4 m/s
0.0 +26 +36
07.07
Mon
even
18 h
Clear +31 751 NW
5 m/s
0.0 +26 +27
07.07
Mon
even
21 h
Clear +27 751 N
4 m/s
0.0 +23 +23
Sat, 05.07
Sat
Sat
Sat
Sat
Sat
Sat
Sat
Sun
03 h
06 h
09 h
12 h
15 h
18 h
21 h
00 h
Air temperature,°С
+22
+21
+23
+27
+29
+28
+24
+22
Atmospheric pressure
756
756
757
757
756
755
755
756
Wind
SW
1 m/s
S
1 m/s
SW
1 m/s
W
3 m/s
W
4 m/s
W
3 m/s
W
2 m/s
NW
3 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
+19
+20
+19
+22
+24
+23
+20
+19
Tefs,°C
+19
+21
+30
+38
+34
+25
+20
+19
Weather comfort
 
 
 
 
 
 
 
 
Sun
Sun
Sun
Sun
Sun
Sun
Sun
Mon
03 h
06 h
09 h
12 h
15 h
18 h
21 h
00 h
Air temperature,°С
+20
+19
+22
+26
+28
+24
+21
+20
Atmospheric pressure
755
755
756
756
755
754
754
754
Wind
NW
2 m/s
N
3 m/s
N
3 m/s
NW
4 m/s
NW
6 m/s
NW
6 m/s
NW
5 m/s
N
3 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
+19
+19
+19
+22
+23
+20
+19
+19
Tefs,°C
+19
+19
+27
+35
+29
+21
+19
+19
Weather comfort
 
 
 
 
 
 
 
 
Mon
Mon
Mon
Mon
Mon
Mon
Mon
03 h
06 h
09 h
12 h
15 h
18 h
21 h
Air temperature,°С
+20
+19
+24
+30
+31
+31
+27
Atmospheric pressure
754
753
754
753
752
751
751
Wind
N
3 m/s
N
2 m/s
N
2 m/s
N
3 m/s
NW
4 m/s
NW
5 m/s
N
4 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
+19
+19
+20
+25
+26
+26
+23
Tefs,°C
+19
+19
+30
+41
+36
+27
+23
Weather comfort
 
 
 
 
 
 
 
 
  • Sat, 05.07
  • Sun, 06.07
  • Mon, 07.07
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.