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www.weatherandclimate.eu
The table shows the combined weather forecast 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
27.04
Sun
even
18 h
Rain +9 752 NW
6 m/s
2.0 +7 +7
28.04
Mon
night
00 h
Light rain +8 756 NW
7 m/s
0.4 +4 +4
28.04
Mon
morn
06 h
Clear +8 760 NW
5 m/s
0.0 +6 +6
28.04
Mon
day
12 h
Clear +9 763 NW
5 m/s
0.0 +7 +9
28.04
Mon
even
18 h
Clear +17 765 NW
5 m/s
0.0 +16 +24
29.04
Tue
night
00 h
Clear +15 766 NW
2 m/s
0.0 +15 +15
29.04
Tue
morn
06 h
Clear +9 766 S
1 m/s
0.0 +10 +10
29.04
Tue
day
12 h
Clear +9 766 S
2 m/s
0.0 +8 +11
29.04
Tue
even
18 h
Clear +18 762 S
6 m/s
0.0 +18 +23
30.04
Wen
night
00 h
Partly cloudy +14 757 S
6 m/s
0.0 +12 +12
30.04
Wen
morn
06 h
Light cloudy +14 753 SW
5 m/s
0.0 +13 +13
30.04
Wen
day
12 h
Light cloudy +14 755 W
5 m/s
0.0 +13 +14
30.04
Wen
even
18 h
Clear +15 757 NW
6 m/s
0.0 +14 +20
01.05
Thu
night
00 h
Clear +10 569 NW
4 m/s
0.0 +8 +8
01.05
Thu
morn
06 h
Clear +6 523 NW
2 m/s
0.0 +5 +5
01.05
Thu
day
12 h
Light cloudy +5 512 NW
2 m/s
0.0 +4 +7
01.05
Thu
even
18 h
Clear +11 509 SE
3 m/s
0.0 +10 +21
02.05
Fri
night
00 h
Partly cloudy +8 507 S
2 m/s
0.0 +8 +8
Sun, 27.04
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
+9
+8
+8
+9
+17
+15
+9
+9
Atmospheric pressure
752
756
760
763
765
766
766
766
Wind
NW
6 m/s
NW
7 m/s
NW
5 m/s
NW
5 m/s
NW
5 m/s
NW
2 m/s
S
1 m/s
S
2 m/s
Precipitation, mm
2.0
0.4
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
+7
+4
+6
+7
+16
+15
+10
+8
Tefs,°C
+7
+4
+6
+9
+24
+15
+10
+11
Weather comfort
 
 
 
 
 
 
 
 
Tue
Wen
Wen
Wen
Wen
Thu
Thu
Thu
18 h
00 h
06 h
12 h
18 h
00 h
06 h
12 h
Air temperature,°С
+18
+14
+14
+14
+15
+10
+6
+5
Atmospheric pressure
762
757
753
755
757
569
523
512
Wind
S
6 m/s
S
6 m/s
SW
5 m/s
W
5 m/s
NW
6 m/s
NW
4 m/s
NW
2 m/s
NW
2 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
+18
+12
+13
+13
+14
+8
+5
+4
Tefs,°C
+23
+12
+13
+14
+20
+8
+5
+7
Weather comfort
 
 
 
 
 
 
 
 
Thu
Fri
18 h
00 h
Air temperature,°С
+11
+8
Atmospheric pressure
509
507
Wind
SE
3 m/s
S
2 m/s
Precipitation, mm
0.0
0.0
Tef,°C
+10
+8
Tefs,°C
+21
+8
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
 
 
 
 
 
 
 
 
  • Sun, 27.04
  • Tue, 29.04
  • Thu, 01.05
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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.