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The table shows the combined weather forecast in Portland for 14 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 Portland

Date Time Weather type Air temperature, °C Atmospheric pressure Wind Precipitation, mm Tef, °C Tefs, °C Weather comfort
04.04
Fri
even
18 h
Clear +11 763 NW
5 m/s
0.0 +9 +15
05.04
Sat
night
00 h
Clear +9 766 N
5 m/s
0.0 +6 +6
05.04
Sat
morn
06 h
Light cloudy +5 770 N
2 m/s
0.0 +4 +4
05.04
Sat
day
12 h
Mostly cloudy +4 772 NE
3 m/s
0.0 +2 +3
05.04
Sat
even
18 h
Cloudy +3 770 SE
4 m/s
0.1 0 +1
06.04
Sun
night
00 h
Snow with rain +3 766 SE
4 m/s
1.6 0 0
06.04
Sun
morn
06 h
Light rain +4 760 S
4 m/s
0.7 +1 +1
06.04
Sun
day
12 h
Rain +4 754 NW
1 m/s
1.0 +4 +4
06.04
Sun
even
18 h
Mostly cloudy +6 753 W
2 m/s
0.2 +5 +8
07.04
Mon
night
00 h
Mostly cloudy +7 755 NW
2 m/s
0.0 +6 +6
07.04
Mon
morn
06 h
Mostly cloudy +5 756 N
3 m/s
0.0 +4 +4
07.04
Mon
day
12 h
Snow with rain +2 757 NE
4 m/s
1.3 -1 -1
07.04
Mon
even
18 h
Light rain +5 756 SE
3 m/s
0.5 +3 +7
08.04
Tue
night
00 h
Mostly cloudy +2 566 SE
2 m/s
0.0 +1 +1
08.04
Tue
morn
06 h
Mostly cloudy +1 517 E
1 m/s
0.0 +1 +1
08.04
Tue
day
12 h
Light cloudy +1 504 E
4 m/s
0.0 -2 -1
08.04
Tue
even
18 h
Partly cloudy +2 502 E
5 m/s
0.0 -2 +2
09.04
Wen
night
00 h
Light cloudy 0 504 W
4 m/s
0.0 -3 -3
Fri, 04.04
Fri
Sat
Sat
Sat
Sat
Sun
Sun
Sun
18 h
00 h
06 h
12 h
18 h
00 h
06 h
12 h
Air temperature,°С
+11
+9
+5
+4
+3
+3
+4
+4
Atmospheric pressure
763
766
770
772
770
766
760
754
Wind
NW
5 m/s
N
5 m/s
N
2 m/s
NE
3 m/s
SE
4 m/s
SE
4 m/s
S
4 m/s
NW
1 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.1
1.6
0.7
1.0
Tef,°C
+9
+6
+4
+2
0
0
+1
+4
Tefs,°C
+15
+6
+4
+3
+1
0
+1
+4
Weather comfort
 
 
 
 
 
 
 
 
Sun
Mon
Mon
Mon
Mon
Tue
Tue
Tue
18 h
00 h
06 h
12 h
18 h
00 h
06 h
12 h
Air temperature,°С
+6
+7
+5
+2
+5
+2
+1
+1
Atmospheric pressure
753
755
756
757
756
566
517
504
Wind
W
2 m/s
NW
2 m/s
N
3 m/s
NE
4 m/s
SE
3 m/s
SE
2 m/s
E
1 m/s
E
4 m/s
Precipitation, mm
0.2
0.0
0.0
1.3
0.5
0.0
0.0
0.0
Tef,°C
+5
+6
+4
-1
+3
+1
+1
-2
Tefs,°C
+8
+6
+4
-1
+7
+1
+1
-1
Weather comfort
 
 
 
 
 
 
 
 
Tue
Wen
18 h
00 h
Air temperature,°С
+2
0
Atmospheric pressure
502
504
Wind
E
5 m/s
W
4 m/s
Precipitation, mm
0.0
0.0
Tef,°C
-2
-3
Tefs,°C
+2
-3
Weather comfort
 
 
 
 
 
 
 
 
Air temperature,°С
Atmospheric pressure
Wind
Precipitation, mm
Tef,°C
Tefs,°C
Weather comfort
 
 
 
 
 
 
 
 
Air temperature,°С
Atmospheric pressure
Wind
Precipitation, mm
Tef,°C
Tefs,°C
Weather comfort
 
 
 
 
 
 
 
 
Air temperature,°С
Atmospheric pressure
Wind
Precipitation, mm
Tef,°C
Tefs,°C
Weather comfort
 
 
 
 
 
 
 
 
Air temperature,°С
Atmospheric pressure
Wind
Precipitation, mm
Tef,°C
Tefs,°C
Weather comfort
 
 
 
 
 
 
 
 
  • Fri, 04.04
  • Sun, 06.04
  • Tue, 08.04
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Location of a geographical point Portland (Maine, USA): latitude 43.6497 longitude -70.3003 height above sea level 14 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.