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www.weatherandclimate.eu
The table shows the combined weather forecast 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
19.10
Sun
night
03 h
Mostly cloudy +18 754 S
3 m/s
0.1 +18 +18
19.10
Sun
morn
06 h
Cloudy +19 754 S
4 m/s
0.1 +18 +18
19.10
Sun
morn
09 h
Cloudy +18 754 S
5 m/s
0.1 +18 +18
19.10
Sun
day
12 h
Rain +19 754 S
6 m/s
0.9 +18 +18
19.10
Sun
day
15 h
Rain +18 753 S
6 m/s
3.8 +17 +17
19.10
Sun
even
18 h
Heavy rain +18 752 SW
4 m/s
5.1 +17 +17
19.10
Sun
even
21 h
Rain +18 753 SW
3 m/s
1.5 +18 +18
20.10
Mon
night
00 h
Light rain +17 753 W
2 m/s
0.6 +18 +18
20.10
Mon
night
03 h
Light rain +16 753 W
1 m/s
0.3 +17 +17
20.10
Mon
morn
06 h
Light rain +16 753 SW
2 m/s
0.2 +16 +16
20.10
Mon
morn
09 h
Light rain +16 753 SW
2 m/s
0.1 +17 +17
20.10
Mon
day
12 h
Light rain +18 754 SW
4 m/s
0.4 +18 +19
20.10
Mon
day
15 h
Light rain +19 753 SW
4 m/s
0.4 +18 +20
20.10
Mon
even
18 h
Partly cloudy +18 753 SW
4 m/s
0.0 +18 +18
20.10
Mon
even
21 h
Light rain +17 753 S
5 m/s
0.7 +17 +17
21.10
Tue
night
00 h
Heavy rain +17 753 S
5 m/s
7.3 +17 +17
21.10
Tue
night
03 h
Rain +17 751 SW
4 m/s
4.3 +17 +17
21.10
Tue
morn
06 h
Rain +18 751 SW
4 m/s
1.3 +18 +18
21.10
Tue
morn
09 h
Light rain +18 752 SW
2 m/s
0.7 +18 +18
21.10
Tue
day
12 h
Light rain +19 753 SW
3 m/s
0.7 +19 +19
21.10
Tue
day
15 h
Rain +19 753 SW
4 m/s
0.7 +19 +19
21.10
Tue
even
18 h
Rain +18 753 SW
4 m/s
1.1 +18 +18
21.10
Tue
even
21 h
Light rain +18 753 SW
3 m/s
0.4 +18 +18
Sun, 19.10
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
+18
+19
+18
+19
+18
+18
+18
+17
Atmospheric pressure
754
754
754
754
753
752
753
753
Wind
S
3 m/s
S
4 m/s
S
5 m/s
S
6 m/s
S
6 m/s
SW
4 m/s
SW
3 m/s
W
2 m/s
Precipitation, mm
0.1
0.1
0.1
0.9
3.8
5.1
1.5
0.6
Tef,°C
+18
+18
+18
+18
+17
+17
+18
+18
Tefs,°C
+18
+18
+18
+18
+17
+17
+18
+18
Weather comfort
 
 
 
 
 
 
 
 
Mon
Mon
Mon
Mon
Mon
Mon
Mon
Tue
03 h
06 h
09 h
12 h
15 h
18 h
21 h
00 h
Air temperature,°С
+16
+16
+16
+18
+19
+18
+17
+17
Atmospheric pressure
753
753
753
754
753
753
753
753
Wind
W
1 m/s
SW
2 m/s
SW
2 m/s
SW
4 m/s
SW
4 m/s
SW
4 m/s
S
5 m/s
S
5 m/s
Precipitation, mm
0.3
0.2
0.1
0.4
0.4
0.0
0.7
7.3
Tef,°C
+17
+16
+17
+18
+18
+18
+17
+17
Tefs,°C
+17
+16
+17
+19
+20
+18
+17
+17
Weather comfort
 
 
 
 
 
 
 
 
Tue
Tue
Tue
Tue
Tue
Tue
Tue
03 h
06 h
09 h
12 h
15 h
18 h
21 h
Air temperature,°С
+17
+18
+18
+19
+19
+18
+18
Atmospheric pressure
751
751
752
753
753
753
753
Wind
SW
4 m/s
SW
4 m/s
SW
2 m/s
SW
3 m/s
SW
4 m/s
SW
4 m/s
SW
3 m/s
Precipitation, mm
4.3
1.3
0.7
0.7
0.7
1.1
0.4
Tef,°C
+17
+18
+18
+19
+19
+18
+18
Tefs,°C
+17
+18
+18
+19
+19
+18
+18
Weather comfort
 
 
 
 
 
 
 
 
  • Sun, 19.10
  • Mon, 20.10
  • Tue, 21.10
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.