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www.weatherandclimate.eu
The table shows the combined weather forecast Washington 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 Washington

Date Time Weather type Air temperature, °C Atmospheric pressure Wind Precipitation, mm Tef, °C Tefs, °C Weather comfort
17.09
Wen
morn
07 h
Light rain +17 761 N
5 m/s
0.1 +17 +17
17.09
Wen
day
13 h
Cloudy +19 762 N
5 m/s
0.2 +18 +18
17.09
Wen
even
19 h
Cloudy +20 761 N
3 m/s
0.1 +19 +19
18.09
Thu
night
01 h
Cloudy +19 761 N
2 m/s
0.0 +19 +19
18.09
Thu
morn
07 h
Cloudy +18 762 NW
2 m/s
0.0 +19 +19
18.09
Thu
day
13 h
Partly cloudy +25 762 NW
2 m/s
0.0 +21 +29
18.09
Thu
even
19 h
Clear +24 760 S
1 m/s
0.0 +20 +20
19.09
Fri
night
01 h
Clear +21 761 SW
2 m/s
0.0 +20 +20
19.09
Fri
morn
07 h
Clear +18 762 W
2 m/s
0.0 +19 +20
19.09
Fri
day
13 h
Clear +28 762 NW
2 m/s
0.0 +23 +35
19.09
Fri
even
19 h
Clear +27 762 NW
1 m/s
0.0 +22 +22
20.09
Sat
night
01 h
Clear +22 764 NE
2 m/s
0.0 +19 +19
20.09
Sat
morn
07 h
Light cloudy +18 767 NE
3 m/s
0.0 +18 +18
20.09
Sat
day
13 h
Partly cloudy +24 768 E
3 m/s
0.0 +20 +26
20.09
Sat
even
19 h
Light cloudy +17 576 E
2 m/s
0.0 +17 +17
21.09
Sun
night
01 h
Light cloudy +13 529 E
2 m/s
0.0 +12 +12
21.09
Sun
morn
07 h
Cloudy +12 517 E
2 m/s
0.0 +12 +12
21.09
Sun
day
13 h
Cloudy +15 514 SE
2 m/s
0.0 +15 +16
21.09
Sun
even
19 h
Cloudy +14 512 SE
2 m/s
0.0 +14 +14
Wen, 17.09
Wen
Wen
Wen
Thu
Thu
Thu
Thu
Fri
07 h
13 h
19 h
01 h
07 h
13 h
19 h
01 h
Air temperature,°С
+17
+19
+20
+19
+18
+25
+24
+21
Atmospheric pressure
761
762
761
761
762
762
760
761
Wind
N
5 m/s
N
5 m/s
N
3 m/s
N
2 m/s
NW
2 m/s
NW
2 m/s
S
1 m/s
SW
2 m/s
Precipitation, mm
0.1
0.2
0.1
0.0
0.0
0.0
0.0
0.0
Tef,°C
+17
+18
+19
+19
+19
+21
+20
+20
Tefs,°C
+17
+18
+19
+19
+19
+29
+20
+20
Weather comfort
 
 
 
 
 
 
 
 
Fri
Fri
Fri
Sat
Sat
Sat
Sat
Sun
07 h
13 h
19 h
01 h
07 h
13 h
19 h
01 h
Air temperature,°С
+18
+28
+27
+22
+18
+24
+17
+13
Atmospheric pressure
762
762
762
764
767
768
576
529
Wind
W
2 m/s
NW
2 m/s
NW
1 m/s
NE
2 m/s
NE
3 m/s
E
3 m/s
E
2 m/s
E
2 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
+19
+23
+22
+19
+18
+20
+17
+12
Tefs,°C
+20
+35
+22
+19
+18
+26
+17
+12
Weather comfort
 
 
 
 
 
 
 
 
Sun
Sun
Sun
Sun
Mon
Mon
Mon
Mon
07 h
13 h
19 h
23 h
05 h
11 h
17 h
23 h
Air temperature,°С
+12
+15
+14
+34
+28
+35
+40
+35
Atmospheric pressure
517
514
512
728
728
729
727
727
Wind
E
2 m/s
SE
2 m/s
SE
2 m/s
W
2 m/s
NE
1 m/s
SE
1 m/s
W
3 m/s
E
2 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
+12
+15
+14
+28
+23
+29
+35
+29
Tefs,°C
+12
+16
+14
+28
+23
+43
+36
+29
Weather comfort
 
 
 
 
 
 
 
 
Tue
Tue
Tue
Tue
05 h
11 h
17 h
23 h
Air temperature,°С
+29
+36
+41
+36
Atmospheric pressure
728
730
727
729
Wind
E
1 m/s
E
2 m/s
W
2 m/s
S
2 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
Tef,°C
+24
+30
+36
+31
Tefs,°C
+24
+42
+38
+31
Weather comfort
 
 
 
 
 
 
 
 
  • Wen, 17.09
  • Fri, 19.09
  • Sun, 21.09
  • Tue, 23.09
Location of a geographical point Washington (District of Columbia, USA): latitude 38.8483 longitude -77.0342 height above sea level 3 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.