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The table shows the combined weather forecast in Porto 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 Porto

Date Time Weather type Air temperature, °C Atmospheric pressure Wind Precipitation, mm Tef, °C Tefs, °C Weather comfort
25.04
Fri
morn
06 h
Mostly cloudy +13 756 NW
2 m/s
0.0 +13 +13
25.04
Fri
day
12 h
Mostly cloudy +16 758 NW
4 m/s
0.0 +15 +19
25.04
Fri
even
18 h
Partly cloudy +16 758 NW
6 m/s
0.0 +15 +15
26.04
Sat
night
00 h
Clear +12 760 N
4 m/s
0.0 +11 +11
26.04
Sat
morn
06 h
Clear +10 760 N
2 m/s
0.0 +9 +9
26.04
Sat
day
12 h
Clear +17 761 N
4 m/s
0.0 +17 +28
26.04
Sat
even
18 h
Clear +18 760 NW
5 m/s
0.0 +18 +19
27.04
Sun
night
00 h
Clear +13 760 NE
2 m/s
0.0 +13 +13
27.04
Sun
morn
06 h
Clear +11 758 E
2 m/s
0.0 +10 +10
27.04
Sun
day
12 h
Clear +21 759 SE
3 m/s
0.0 +19 +32
27.04
Sun
even
18 h
Clear +22 757 NW
2 m/s
0.0 +19 +21
28.04
Mon
night
00 h
Clear +15 756 E
2 m/s
0.0 +15 +15
28.04
Mon
morn
06 h
Clear +13 755 E
3 m/s
0.0 +13 +13
28.04
Mon
day
12 h
Clear +16 566 SE
2 m/s
0.0 +17 +34
28.04
Mon
even
18 h
Clear +15 517 W
2 m/s
0.0 +15 +17
29.04
Tue
night
00 h
Light cloudy +11 505 E
1 m/s
0.0 +12 +12
29.04
Tue
morn
06 h
Clear +10 501 E
1 m/s
0.0 +10 +10
29.04
Tue
day
12 h
Clear +15 501 SW
2 m/s
0.0 +15 +30
Fri, 25.04
Fri
Fri
Fri
Sat
Sat
Sat
Sat
Sun
06 h
12 h
18 h
00 h
06 h
12 h
18 h
00 h
Air temperature,°С
+13
+16
+16
+12
+10
+17
+18
+13
Atmospheric pressure
756
758
758
760
760
761
760
760
Wind
NW
2 m/s
NW
4 m/s
NW
6 m/s
N
4 m/s
N
2 m/s
N
4 m/s
NW
5 m/s
NE
2 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
+13
+15
+15
+11
+9
+17
+18
+13
Tefs,°C
+13
+19
+15
+11
+9
+28
+19
+13
Weather comfort
 
 
 
 
 
 
 
 
Sun
Sun
Sun
Mon
Mon
Mon
Mon
Tue
06 h
12 h
18 h
00 h
06 h
12 h
18 h
00 h
Air temperature,°С
+11
+21
+22
+15
+13
+16
+15
+11
Atmospheric pressure
758
759
757
756
755
566
517
505
Wind
E
2 m/s
SE
3 m/s
NW
2 m/s
E
2 m/s
E
3 m/s
SE
2 m/s
W
2 m/s
E
1 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
+10
+19
+19
+15
+13
+17
+15
+12
Tefs,°C
+10
+32
+21
+15
+13
+34
+17
+12
Weather comfort
 
 
 
 
 
 
 
 
Tue
Tue
06 h
12 h
Air temperature,°С
+10
+15
Atmospheric pressure
501
501
Wind
E
1 m/s
SW
2 m/s
Precipitation, mm
0.0
0.0
Tef,°C
+10
+15
Tefs,°C
+10
+30
Weather comfort
 
 
 
 
 
 
 
 
Air temperature,°С
Atmospheric pressure
Wind
Precipitation, mm
Tef,°C
Tefs,°C
Weather comfort
 
 
 
 
 
 
 
 
  • Fri, 25.04
  • Sun, 27.04
  • Tue, 29.04
  • , .
Location of a geographical point Porto (Portugal): latitude 41.23 longitude -8.68 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.