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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
26.01
Mon
night
00 h
Light cloudy +9 752 S
2 m/s
0.0 +8 +8
26.01
Mon
night
03 h
Light rain +10 751 S
4 m/s
0.1 +9 +9
26.01
Mon
morn
06 h
Heavy rain +11 749 S
5 m/s
6.0 +10 +10
26.01
Mon
morn
09 h
Heavy rain +14 749 SW
7 m/s
11.9 +12 +12
26.01
Mon
day
12 h
Heavy rain +14 749 SW
8 m/s
7.3 +12 +12
26.01
Mon
day
15 h
Heavy rain +14 747 SW
9 m/s
6.8 +12 +12
26.01
Mon
even
18 h
Rain +14 746 S
9 m/s
3.5 +11 +11
26.01
Mon
even
21 h
Heavy rain +13 743 S
11 m/s
8.2 +10 +10
27.01
Tue
night
00 h
Heavy rain +13 741 SW
11 m/s
14.6 +11 +11
27.01
Tue
night
03 h
Rain +11 741 SW
7 m/s
5.3 +9 +9
27.01
Tue
morn
06 h
Rain +10 741 SW
6 m/s
2.6 +8 +8
27.01
Tue
morn
09 h
Rain +10 741 SW
4 m/s
2.1 +9 +9
27.01
Tue
day
12 h
Rain +9 741 SW
6 m/s
4.5 +6 +7
27.01
Tue
day
15 h
Rain +9 742 W
7 m/s
2.5 +6 +6
27.01
Tue
even
18 h
Light rain +9 743 W
5 m/s
0.9 +7 +7
27.01
Tue
even
21 h
Light rain +9 745 SW
3 m/s
0.5 +7 +7
28.01
Wen
night
00 h
Rain +8 745 S
4 m/s
2.8 +6 +6
28.01
Wen
night
03 h
Rain +7 743 S
5 m/s
4.6 +4 +4
28.01
Wen
morn
06 h
Heavy rain +8 741 S
5 m/s
5.7 +5 +5
28.01
Wen
morn
09 h
Rain +8 740 SE
4 m/s
2.8 +6 +6
28.01
Wen
day
12 h
Rain +10 743 SW
4 m/s
0.9 +8 +9
28.01
Wen
day
15 h
Light rain +11 743 SW
5 m/s
0.6 +10 +10
28.01
Wen
even
18 h
Rain +11 742 S
4 m/s
3.6 +10 +10
Mon, 26.01
Mon
Mon
Mon
Mon
Mon
Mon
Mon
Mon
00 h
03 h
06 h
09 h
12 h
15 h
18 h
21 h
Air temperature,°С
+9
+10
+11
+14
+14
+14
+14
+13
Atmospheric pressure
752
751
749
749
749
747
746
743
Wind
S
2 m/s
S
4 m/s
S
5 m/s
SW
7 m/s
SW
8 m/s
SW
9 m/s
S
9 m/s
S
11 m/s
Precipitation, mm
0.0
0.1
6.0
11.9
7.3
6.8
3.5
8.2
Tef,°C
+8
+9
+10
+12
+12
+12
+11
+10
Tefs,°C
+8
+9
+10
+12
+12
+12
+11
+10
Weather comfort
 
 
 
 
 
 
 
 
Tue
Tue
Tue
Tue
Tue
Tue
Tue
Tue
00 h
03 h
06 h
09 h
12 h
15 h
18 h
21 h
Air temperature,°С
+13
+11
+10
+10
+9
+9
+9
+9
Atmospheric pressure
741
741
741
741
741
742
743
745
Wind
SW
11 m/s
SW
7 m/s
SW
6 m/s
SW
4 m/s
SW
6 m/s
W
7 m/s
W
5 m/s
SW
3 m/s
Precipitation, mm
14.6
5.3
2.6
2.1
4.5
2.5
0.9
0.5
Tef,°C
+11
+9
+8
+9
+6
+6
+7
+7
Tefs,°C
+11
+9
+8
+9
+7
+6
+7
+7
Weather comfort
 
 
 
 
 
 
 
 
Wen
Wen
Wen
Wen
Wen
Wen
Wen
00 h
03 h
06 h
09 h
12 h
15 h
18 h
Air temperature,°С
+8
+7
+8
+8
+10
+11
+11
Atmospheric pressure
745
743
741
740
743
743
742
Wind
S
4 m/s
S
5 m/s
S
5 m/s
SE
4 m/s
SW
4 m/s
SW
5 m/s
S
4 m/s
Precipitation, mm
2.8
4.6
5.7
2.8
0.9
0.6
3.6
Tef,°C
+6
+4
+5
+6
+8
+10
+10
Tefs,°C
+6
+4
+5
+6
+9
+10
+10
Weather comfort
 
 
 
 
 
 
 
 
  • Mon, 26.01
  • Tue, 27.01
  • Wen, 28.01
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.