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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
10.06
Tue
night
03 h
Clear +21 754 SE
1 m/s
0.0 +20 +20
10.06
Tue
morn
06 h
Clear +20 755 S
1 m/s
0.0 +20 +21
10.06
Tue
morn
09 h
Partly cloudy +22 756 W
2 m/s
0.0 +19 +25
10.06
Tue
day
12 h
Light cloudy +24 756 W
3 m/s
0.0 +20 +31
10.06
Tue
day
15 h
Light cloudy +22 755 W
3 m/s
0.1 +19 +27
10.06
Tue
even
18 h
Light rain +21 755 W
2 m/s
0.4 +20 +22
10.06
Tue
even
21 h
Rain +18 754 W
1 m/s
3.6 +19 +19
11.06
Wen
night
00 h
Heavy rain +18 754 S
1 m/s
11.0 +19 +19
11.06
Wen
night
03 h
Heavy rain +17 754 S
2 m/s
6.8 +18 +18
11.06
Wen
morn
06 h
Light rain +16 754 S
3 m/s
0.3 +16 +16
11.06
Wen
morn
09 h
Partly cloudy +18 754 S
5 m/s
0.0 +18 +21
11.06
Wen
day
12 h
Partly cloudy +20 754 S
5 m/s
0.1 +19 +24
11.06
Wen
day
15 h
Light cloudy +20 754 SW
6 m/s
0.0 +19 +23
11.06
Wen
even
18 h
Partly cloudy +20 753 SW
6 m/s
0.0 +18 +19
11.06
Wen
even
21 h
Partly cloudy +17 754 S
5 m/s
0.1 +17 +17
12.06
Thu
night
00 h
Light rain +16 755 S
3 m/s
0.4 +16 +16
12.06
Thu
night
03 h
Mostly cloudy +16 754 S
3 m/s
0.2 +16 +16
12.06
Thu
morn
06 h
Partly cloudy +16 754 S
3 m/s
0.1 +16 +16
12.06
Thu
morn
09 h
Partly cloudy +18 755 S
4 m/s
0.0 +17 +20
12.06
Thu
day
12 h
Partly cloudy +20 755 SW
4 m/s
0.0 +19 +27
12.06
Thu
day
15 h
Partly cloudy +20 755 SW
4 m/s
0.0 +19 +24
12.06
Thu
even
18 h
Light cloudy +20 755 SW
3 m/s
0.0 +19 +21
12.06
Thu
even
21 h
Mostly cloudy +18 756 SW
1 m/s
0.0 +19 +19
Tue, 10.06
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
+21
+20
+22
+24
+22
+21
+18
+18
Atmospheric pressure
754
755
756
756
755
755
754
754
Wind
SE
1 m/s
S
1 m/s
W
2 m/s
W
3 m/s
W
3 m/s
W
2 m/s
W
1 m/s
S
1 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.1
0.4
3.6
11.0
Tef,°C
+20
+20
+19
+20
+19
+20
+19
+19
Tefs,°C
+20
+21
+25
+31
+27
+22
+19
+19
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
+17
+16
+18
+20
+20
+20
+17
+16
Atmospheric pressure
754
754
754
754
754
753
754
755
Wind
S
2 m/s
S
3 m/s
S
5 m/s
S
5 m/s
SW
6 m/s
SW
6 m/s
S
5 m/s
S
3 m/s
Precipitation, mm
6.8
0.3
0.0
0.1
0.0
0.0
0.1
0.4
Tef,°C
+18
+16
+18
+19
+19
+18
+17
+16
Tefs,°C
+18
+16
+21
+24
+23
+19
+17
+16
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
+16
+16
+18
+20
+20
+20
+18
Atmospheric pressure
754
754
755
755
755
755
756
Wind
S
3 m/s
S
3 m/s
S
4 m/s
SW
4 m/s
SW
4 m/s
SW
3 m/s
SW
1 m/s
Precipitation, mm
0.2
0.1
0.0
0.0
0.0
0.0
0.0
Tef,°C
+16
+16
+17
+19
+19
+19
+19
Tefs,°C
+16
+16
+20
+27
+24
+21
+19
Weather comfort
 
 
 
 
 
 
 
 
  • Tue, 10.06
  • Wen, 11.06
  • Thu, 12.06
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.