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www.weatherandclimate.info
The table shows the combined weather forecast in Washington 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 Washington

Date Time Weather type Air temperature, °C Atmospheric pressure Wind Precipitation, mm Tef, °C Tefs, °C Weather comfort
19.01
Mon
morn
07 h
Clear -4 762 S
3 m/s
0.0 -8 -8
19.01
Mon
morn
10 h
Clear -0 762 SW
4 m/s
0.0 -4 -2
19.01
Mon
day
13 h
Clear +3 761 W
4 m/s
0.0 0 +3
19.01
Mon
day
16 h
Clear +4 762 W
5 m/s
0.0 +1 +1
19.01
Mon
even
19 h
Clear +1 764 W
4 m/s
0.0 -3 -3
19.01
Mon
even
22 h
Clear -2 766 NW
5 m/s
0.0 -7 -7
20.01
Tue
night
01 h
Clear -5 769 NW
4 m/s
0.0 -9 -9
20.01
Tue
night
04 h
Clear -6 770 NW
4 m/s
0.0 -12 -12
20.01
Tue
morn
07 h
Clear -7 771 NW
4 m/s
0.0 -13 -13
20.01
Tue
morn
10 h
Clear -6 773 NW
4 m/s
0.0 -11 -9
20.01
Tue
day
13 h
Clear -3 772 W
5 m/s
0.0 -8 -5
20.01
Tue
day
16 h
Clear -2 773 W
4 m/s
0.0 -6 -6
20.01
Tue
even
19 h
Clear -3 775 NW
3 m/s
0.0 -7 -7
20.01
Tue
even
22 h
Clear -4 775 NW
2 m/s
0.0 -7 -7
21.01
Wen
night
01 h
Clear -6 775 E
1 m/s
0.0 -7 -7
21.01
Wen
night
04 h
Clear -6 775 SE
2 m/s
0.0 -9 -9
21.01
Wen
morn
07 h
Clear -6 775 SE
2 m/s
0.0 -9 -9
21.01
Wen
morn
10 h
Clear -2 775 S
3 m/s
0.0 -5 -2
21.01
Wen
day
13 h
Light cloudy +3 771 S
6 m/s
0.0 -1 +1
21.01
Wen
day
16 h
Light cloudy +4 769 S
6 m/s
0.0 0 0
21.01
Wen
even
19 h
Partly cloudy +2 768 S
5 m/s
0.0 -1 -1
21.01
Wen
even
22 h
Light cloudy +2 767 S
5 m/s
0.0 -2 -2
22.01
Thu
night
01 h
Light cloudy +2 766 W
4 m/s
0.0 -2 -2
Mon, 19.01
Mon
Mon
Mon
Mon
Mon
Mon
Tue
Tue
07 h
10 h
13 h
16 h
19 h
22 h
01 h
04 h
Air temperature,°С
-4
-0
+3
+4
+1
-2
-5
-6
Atmospheric pressure
762
762
761
762
764
766
769
770
Wind
S
3 m/s
SW
4 m/s
W
4 m/s
W
5 m/s
W
4 m/s
NW
5 m/s
NW
4 m/s
NW
4 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
-8
-4
0
+1
-3
-7
-9
-12
Tefs,°C
-8
-2
+3
+1
-3
-7
-9
-12
Weather comfort
 
 
 
 
 
 
 
 
Tue
Tue
Tue
Tue
Tue
Tue
Wen
Wen
07 h
10 h
13 h
16 h
19 h
22 h
01 h
04 h
Air temperature,°С
-7
-6
-3
-2
-3
-4
-6
-6
Atmospheric pressure
771
773
772
773
775
775
775
775
Wind
NW
4 m/s
NW
4 m/s
W
5 m/s
W
4 m/s
NW
3 m/s
NW
2 m/s
E
1 m/s
SE
2 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
-13
-11
-8
-6
-7
-7
-7
-9
Tefs,°C
-13
-9
-5
-6
-7
-7
-7
-9
Weather comfort
 
 
 
 
 
 
 
 
Wen
Wen
Wen
Wen
Wen
Wen
Thu
07 h
10 h
13 h
16 h
19 h
22 h
01 h
Air temperature,°С
-6
-2
+3
+4
+2
+2
+2
Atmospheric pressure
775
775
771
769
768
767
766
Wind
SE
2 m/s
S
3 m/s
S
6 m/s
S
6 m/s
S
5 m/s
S
5 m/s
W
4 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
-9
-5
-1
0
-1
-2
-2
Tefs,°C
-9
-2
+1
0
-1
-2
-2
Weather comfort
 
 
 
 
 
 
 
 
  • Mon, 19.01
  • Tue, 20.01
  • Wen, 21.01
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.