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www.weatherandclimate.eu
The table shows the combined weather forecast 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
12.10
Sun
morn
10 h
Mostly cloudy +17 760 NE
6 m/s
0.2 +17 +18
12.10
Sun
day
13 h
Cloudy +18 760 NE
6 m/s
0.0 +17 +18
12.10
Sun
day
16 h
Cloudy +18 760 NE
6 m/s
0.0 +17 +17
12.10
Sun
even
19 h
Mostly cloudy +17 760 NE
5 m/s
0.1 +16 +16
12.10
Sun
even
22 h
Mostly cloudy +16 760 N
5 m/s
0.1 +15 +15
13.10
Mon
night
01 h
Cloudy +15 760 N
5 m/s
0.0 +14 +14
13.10
Mon
night
04 h
Cloudy +15 760 N
5 m/s
0.1 +14 +14
13.10
Mon
morn
07 h
Cloudy +15 760 N
5 m/s
0.0 +14 +14
13.10
Mon
morn
10 h
Mostly cloudy +16 760 N
6 m/s
0.0 +15 +16
13.10
Mon
day
13 h
Light rain +18 760 N
5 m/s
0.0 +17 +18
13.10
Mon
day
16 h
Cloudy +18 759 N
5 m/s
0.0 +17 +17
13.10
Mon
even
19 h
Cloudy +17 760 N
6 m/s
0.0 +16 +16
13.10
Mon
even
22 h
Cloudy +16 760 N
6 m/s
0.0 +15 +15
14.10
Tue
night
01 h
Light rain +15 760 N
5 m/s
0.1 +14 +14
14.10
Tue
night
04 h
Light rain +14 760 N
5 m/s
0.7 +13 +13
14.10
Tue
morn
07 h
Cloudy +15 762 N
5 m/s
0.1 +13 +13
14.10
Tue
morn
10 h
Cloudy +15 763 N
4 m/s
0.0 +15 +15
14.10
Tue
day
13 h
Mostly cloudy +20 762 N
4 m/s
0.0 +19 +21
14.10
Tue
day
16 h
Mostly cloudy +22 762 N
5 m/s
0.0 +19 +19
14.10
Tue
even
19 h
Light cloudy +20 762 N
4 m/s
0.0 +19 +19
14.10
Tue
even
22 h
Clear +18 763 N
4 m/s
0.0 +18 +18
15.10
Wen
night
01 h
Clear +17 763 N
4 m/s
0.0 +16 +16
15.10
Wen
night
04 h
Clear +15 762 NW
3 m/s
0.0 +14 +14
Sun, 12.10
Sun
Sun
Sun
Sun
Sun
Mon
Mon
Mon
10 h
13 h
16 h
19 h
22 h
01 h
04 h
07 h
Air temperature,°С
+17
+18
+18
+17
+16
+15
+15
+15
Atmospheric pressure
760
760
760
760
760
760
760
760
Wind
NE
6 m/s
NE
6 m/s
NE
6 m/s
NE
5 m/s
N
5 m/s
N
5 m/s
N
5 m/s
N
5 m/s
Precipitation, mm
0.2
0.0
0.0
0.1
0.1
0.0
0.1
0.0
Tef,°C
+17
+17
+17
+16
+15
+14
+14
+14
Tefs,°C
+18
+18
+17
+16
+15
+14
+14
+14
Weather comfort
 
 
 
 
 
 
 
 
Mon
Mon
Mon
Mon
Mon
Tue
Tue
Tue
10 h
13 h
16 h
19 h
22 h
01 h
04 h
07 h
Air temperature,°С
+16
+18
+18
+17
+16
+15
+14
+15
Atmospheric pressure
760
760
759
760
760
760
760
762
Wind
N
6 m/s
N
5 m/s
N
5 m/s
N
6 m/s
N
6 m/s
N
5 m/s
N
5 m/s
N
5 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.1
0.7
0.1
Tef,°C
+15
+17
+17
+16
+15
+14
+13
+13
Tefs,°C
+16
+18
+17
+16
+15
+14
+13
+13
Weather comfort
 
 
 
 
 
 
 
 
Tue
Tue
Tue
Tue
Tue
Wen
Wen
10 h
13 h
16 h
19 h
22 h
01 h
04 h
Air temperature,°С
+15
+20
+22
+20
+18
+17
+15
Atmospheric pressure
763
762
762
762
763
763
762
Wind
N
4 m/s
N
4 m/s
N
5 m/s
N
4 m/s
N
4 m/s
N
4 m/s
NW
3 m/s
Precipitation, mm
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Tef,°C
+15
+19
+19
+19
+18
+16
+14
Tefs,°C
+15
+21
+19
+19
+18
+16
+14
Weather comfort
 
 
 
 
 
 
 
 
  • Sun, 12.10
  • Mon, 13.10
  • Tue, 14.10
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.