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The table shows the combined weather forecast in Trieste 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 Trieste

Date Time Weather type Air temperature, °C Atmospheric pressure Wind Precipitation, mm Tef, °C Tefs, °C Weather comfort
19.12
Fri
night
01 h
Cloudy +10 770 W
1 m/s
0.1 +11 +11
19.12
Fri
night
04 h
Light rain +10 769 calm 0.5 +11 +11
19.12
Fri
morn
07 h
Cloudy +10 769 calm 0.1 +10 +10
19.12
Fri
morn
10 h
Light rain +10 769 E
1 m/s
0.4 +11 +11
19.12
Fri
day
13 h
Light rain +11 768 N
1 m/s
0.6 +11 +11
19.12
Fri
day
16 h
Light rain +11 768 NE
1 m/s
0.3 +12 +12
19.12
Fri
even
19 h
Cloudy +10 767 NE
1 m/s
0.0 +11 +11
19.12
Fri
even
22 h
Cloudy +10 767 NE
1 m/s
0.1 +10 +10
20.12
Sat
night
01 h
Mostly cloudy +9 766 NE
1 m/s
0.0 +10 +10
20.12
Sat
night
04 h
Mostly cloudy +9 764 NE
1 m/s
0.0 +9 +9
20.12
Sat
morn
07 h
Partly cloudy +8 764 E
2 m/s
0.0 +8 +8
20.12
Sat
morn
10 h
Clear +10 763 E
2 m/s
0.0 +9 +10
20.12
Sat
day
13 h
Clear +12 762 NE
1 m/s
0.0 +13 +16
20.12
Sat
day
16 h
Clear +11 761 NE
2 m/s
0.0 +10 +10
20.12
Sat
even
19 h
Clear +8 760 E
3 m/s
0.0 +7 +7
20.12
Sat
even
22 h
Clear +8 760 E
3 m/s
0.0 +6 +6
21.12
Sun
night
01 h
Clear +7 760 E
3 m/s
0.0 +5 +5
21.12
Sun
night
04 h
Clear +6 759 E
3 m/s
0.0 +5 +5
21.12
Sun
morn
07 h
Clear +6 759 E
3 m/s
0.0 +4 +4
21.12
Sun
morn
10 h
Light cloudy +8 760 E
3 m/s
0.0 +6 +7
21.12
Sun
day
13 h
Clear +11 759 E
3 m/s
0.0 +10 +12
21.12
Sun
day
16 h
Clear +10 759 E
3 m/s
0.0 +8 +8
21.12
Sun
even
19 h
Light cloudy +7 759 E
3 m/s
0.0 +5 +5
Fri, 19.12
Fri
Fri
Fri
Fri
Fri
Fri
Fri
Fri
01 h
04 h
07 h
10 h
13 h
16 h
19 h
22 h
Air temperature,°С
+10
+10
+10
+10
+11
+11
+10
+10
Atmospheric pressure
770
769
769
769
768
768
767
767
Wind
W
1 m/s
calm
calm
E
1 m/s
N
1 m/s
NE
1 m/s
NE
1 m/s
NE
1 m/s
Precipitation, mm
0.1
0.5
0.1
0.4
0.6
0.3
0.0
0.1
Tef,°C
+11
+11
+10
+11
+11
+12
+11
+10
Tefs,°C
+11
+11
+10
+11
+11
+12
+11
+10
Weather comfort
 
 
 
 
 
 
 
 
Sat
Sat
Sat
Sat
Sat
Sat
Sat
Sat
01 h
04 h
07 h
10 h
13 h
16 h
19 h
22 h
Air temperature,°С
+9
+9
+8
+10
+12
+11
+8
+8
Atmospheric pressure
766
764
764
763
762
761
760
760
Wind
NE
1 m/s
NE
1 m/s
E
2 m/s
E
2 m/s
NE
1 m/s
NE
2 m/s
E
3 m/s
E
3 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
+10
+9
+8
+9
+13
+10
+7
+6
Tefs,°C
+10
+9
+8
+10
+16
+10
+7
+6
Weather comfort
 
 
 
 
 
 
 
 
Sun
Sun
Sun
Sun
Sun
Sun
Sun
01 h
04 h
07 h
10 h
13 h
16 h
19 h
Air temperature,°С
+7
+6
+6
+8
+11
+10
+7
Atmospheric pressure
760
759
759
760
759
759
759
Wind
E
3 m/s
E
3 m/s
E
3 m/s
E
3 m/s
E
3 m/s
E
3 m/s
E
3 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
+5
+5
+4
+6
+10
+8
+5
Tefs,°C
+5
+5
+4
+7
+12
+8
+5
Weather comfort
 
 
 
 
 
 
 
 
  • Fri, 19.12
  • Sat, 20.12
  • Sun, 21.12
Location of a geographical point Trieste (Italy): latitude 45.6771 longitude 13.7535 height above sea level 20 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.