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FORECAST FOR 5 DAYS

The table below shows the combined weather forecast for Washington DC to five days ahead, automatically compiled according to several independent sources. Time - local. The atmospheric pressure in mm Hg - at the level of the city (the station).

The indicators of Teff (effective temperature), Tefs (effective temperature of the sun), and a verbal description of comfort weather (see explanation below) added to the table.

Weather in Washington DC


Date Time Weather Air temperature, °C Atmospheric pressure, mm Wind dir. Wind speed Teff,°C Tefs,°C Comfort weather
14 November
wednesday
night
1 h
Cloudy +6 770 NW 4 m/s +3 +3 seasonable
morning
7 h
Cloudy +3 773 NW 3 m/s -0 -0 seasonable
day
13 h
Cloudy +3 774 NW 3 m/s -0 -0 very cold
evening
19 h
Cloudy +4 774 N 2 m/s +2 +2 cool
15 November
thursday
night
1 h
Cloudy +3 775 NE 2 m/s +1 +1 seasonable
morning
7 h
Rain +3 771 NE 3 m/s -1 -1 seasonable
day
13 h
Rain +2 766 NE 5 m/s -4 -4 very cold
evening
19 h
Rain +4 760 NE 4 m/s -0 -0 cold
16 November
friday
night
1 h
Rain +5 755 NW 2 m/s +2 +2 seasonable
morning
7 h
Mostly cloudy +5 757 W 5 m/s +1 +1 seasonable
day
13 h
Clear +7 760 W 4 m/s +4 +6 cool
evening
19 h
Clear +8 762 W 2 m/s +6 +6 seasonable
17 November
saturday
night
1 h
Clear +5 765 W 2 m/s +3 +3 seasonable
morning
7 h
Clear +4 768 NW 2 m/s +1 +1 seasonable
day
13 h
Clear +7 768 W 2 m/s +5 +9 seasonable
evening
19 h
Clear +8 769 N 1 m/s +7 +7 seasonable
18 November
sunday
night
1 h
Partly sunny +5 769 0 m/s +4 +4 seasonable
morning
7 h
Cloudy +4 769 SE 1 m/s +3 +3 seasonable
day
13 h
Cloudy +7 768 SW 1 m/s +6 +7 seasonable
evening
19 h
Mostly cloudy +8 767 0 m/s +7 +7 seasonable

Teff - Effective temperature - the temperature that a man dressed in accordance with the season feels. Taken into account when calculating the effect of humidity, wind speed and atmospheric pressure on the human sensation of heat.

Tefs - The effective temperature of the sun - the temperature that a person feels, adjusted for solar radiation. Depends on the amount of cloud cover and height of the sun above the horizon. At night and in cloudy weather correction is zero.

Weather comfort - a verbal response, characterized by favorable or unfavorable weather conditions forecast for a man dressed in accordance with the season. Used as relative characteristics: warm, cool, cold, very cold, showing how the expected Teff will be higher or lower than normal, and the absolute: the danger of sunstroke, the risk of overheating, hot, very hot and stuffy, very stuffy, comfort, danger colds, the risk of frostbite, arising when the Teff, Tefs, air temperature or combinations of specific criteria. For more details - see Explanation to section.



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