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www.weatherandclimate.info
The table shows the combined weather forecast in Portland for a week 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
01.02
Sat
day
12 h
Light snow -5 756 N
7 m/s
0.1 -11 -11
01.02
Sat
even
18 h
Light cloudy -5 762 N
7 m/s
0.0 -12 -11
02.02
Sun
night
00 h
Clear -9 770 N
6 m/s
0.0 -17 -17
02.02
Sun
morn
06 h
Clear -12 774 N
4 m/s
0.0 -19 -19
02.02
Sun
day
12 h
Clear -12 776 NW
2 m/s
0.0 -17 -17
02.02
Sun
even
18 h
Mostly cloudy -8 775 S
2 m/s
0.0 -12 -10
03.02
Mon
night
00 h
Mostly cloudy -6 772 SW
2 m/s
0.0 -9 -9
03.02
Mon
morn
06 h
Snow -1 766 S
3 m/s
0.7 -4 -4
03.02
Mon
day
12 h
Snow with rain -2 763 SW
4 m/s
0.7 -6 -6
03.02
Mon
even
18 h
Partly cloudy +2 760 SW
4 m/s
0.0 -1 +1
04.02
Tue
night
00 h
Mostly cloudy +3 757 SW
5 m/s
0.0 0 0
04.02
Tue
morn
06 h
Light cloudy -4 762 NW
4 m/s
0.0 -9 -9
04.02
Tue
day
12 h
Light cloudy +2 754 NW
3 m/s
0.0 -1 -1
04.02
Tue
even
18 h
Clear +1 756 NW
7 m/s
0.0 -4 -3
05.02
Wen
night
00 h
Clear -4 763 NW
5 m/s
0.0 -10 -10
05.02
Wen
morn
06 h
Clear -6 768 W
2 m/s
0.0 -9 -9
05.02
Wen
morn
06 h
Clear -6 768 W
2 m/s
0.0 -9 -9
05.02
Wen
day
12 h
Light cloudy -10 769 NW
2 m/s
0.0 -14 -14
05.02
Wen
even
18 h
Light cloudy -6 769 W
2 m/s
0.0 -9 -5
06.02
Thu
night
00 h
Clear -5 769 SW
1 m/s
0.0 -6 -6
06.02
Thu
morn
06 h
Mostly cloudy -1 754 SW
2 m/s
0.2 -2 -2
06.02
Thu
day
12 h
Mostly cloudy -6 767 NW
2 m/s
0.0 -9 -9
06.02
Thu
even
18 h
Snow +1 760 SE
4 m/s
2.6 -3 -2
07.02
Fri
night
00 h
Rain +1 756 W
3 m/s
0.6 -1 -1
07.02
Fri
morn
06 h
Partly cloudy -3 762 NW
4 m/s
0.0 -7 -7
07.02
Fri
day
12 h
Partly cloudy -0 752 W
3 m/s
0.0 -3 -3
07.02
Fri
even
18 h
Mostly cloudy +3 754 NW
5 m/s
0.0 0 +1
08.02
Sat
night
00 h
Light cloudy 0 760 NW
3 m/s
0.1 -2 -2
08.02
Sat
morn
06 h
Partly cloudy -5 771 NE
2 m/s
0.0 -8 -8
Sat, 01.02
Sat
Sat
Sun
Sun
Sun
Sun
Mon
Mon
12 h
18 h
00 h
06 h
12 h
18 h
00 h
06 h
Air temperature,°С
-5
-5
-9
-12
-12
-8
-6
-1
Atmospheric pressure
756
762
770
774
776
775
772
766
Wind
N
7 m/s
N
7 m/s
N
6 m/s
N
4 m/s
NW
2 m/s
S
2 m/s
SW
2 m/s
S
3 m/s
Precipitation, mm
0.1
0.0
0.0
0.0
0.0
0.0
0.0
0.7
Tef,°C
-11
-12
-17
-19
-17
-12
-9
-4
Tefs,°C
-11
-11
-17
-19
-17
-10
-9
-4
Weather comfort
 
 
 
 
 
 
 
 
Mon
Mon
Tue
Tue
Tue
Tue
Wen
Wen
12 h
18 h
00 h
06 h
12 h
18 h
00 h
06 h
Air temperature,°С
-2
+2
+3
-4
+2
+1
-4
-6
Atmospheric pressure
763
760
757
762
754
756
763
768
Wind
SW
4 m/s
SW
4 m/s
SW
5 m/s
NW
4 m/s
NW
3 m/s
NW
7 m/s
NW
5 m/s
W
2 m/s
Precipitation, mm
0.7
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
-6
-1
0
-9
-1
-4
-10
-9
Tefs,°C
-6
+1
0
-9
-1
-3
-10
-9
Weather comfort
 
 
 
 
 
 
 
 
Wen
Wen
Wen
Thu
Thu
Thu
Thu
Fri
06 h
12 h
18 h
00 h
06 h
12 h
18 h
00 h
Air temperature,°С
-6
-10
-6
-5
-1
-6
+1
+1
Atmospheric pressure
768
769
769
769
754
767
760
756
Wind
W
2 m/s
NW
2 m/s
W
2 m/s
SW
1 m/s
SW
2 m/s
NW
2 m/s
SE
4 m/s
W
3 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.2
0.0
2.6
0.6
Tef,°C
-9
-14
-9
-6
-2
-9
-3
-1
Tefs,°C
-9
-14
-5
-6
-2
-9
-2
-1
Weather comfort
 
 
 
 
 
 
 
 
Fri
Fri
Fri
Sat
Sat
06 h
12 h
18 h
00 h
06 h
Air temperature,°С
-3
-0
+3
0
-5
Atmospheric pressure
762
752
754
760
771
Wind
NW
4 m/s
W
3 m/s
NW
5 m/s
NW
3 m/s
NE
2 m/s
Precipitation, mm
0.0
0.0
0.0
0.1
0.0
Tef,°C
-7
-3
0
-2
-8
Tefs,°C
-7
-3
+1
-2
-8
Weather comfort
 
 
 
 
 
 
 
 
  • Sat, 01.02
  • Mon, 03.02
  • Wen, 05.02
  • Fri, 07.02
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.