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Point Forecast: 2 Miles S Washington-Dulles International Airport VA  38.93N 77.45W (Elev. 299 ft)	Last Update: 1:33 am EDT Apr 4, 2020

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Weather Elements Weather/Precipitation Fire Weather Temperature (°F) Dewpoint (°F) Wind Chill (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Snow Freezing Rain Sleet Fog Mixing Height  x100ftx100m Haines Index Lightning Activity Level Trans. Wind  ktmphkm/hm/s Vent Rate (x1000 mph-ft) Atmospheric Dispersion Index Low Visibility Occurrence Risk Index

48-Hour Period Starting: 4am Sat, Apr 4 20205am Sat, Apr 4 20206am Sat, Apr 4 20207am Sat, Apr 4 20208am Sat, Apr 4 20209am Sat, Apr 4 202010am Sat, Apr 4 202011am Sat, Apr 4 202012pm Sat, Apr 4 20201pm Sat, Apr 4 20202pm Sat, Apr 4 20203pm Sat, Apr 4 20204pm Sat, Apr 4 20205pm Sat, Apr 4 20206pm Sat, Apr 4 20207pm Sat, Apr 4 20208pm Sat, Apr 4 20209pm Sat, Apr 4 202010pm Sat, Apr 4 202011pm Sat, Apr 4 202012am Sun, Apr 5 20201am Sun, Apr 5 20202am Sun, Apr 5 20203am Sun, Apr 5 20204am Sun, Apr 5 20205am Sun, Apr 5 20206am Sun, Apr 5 20207am Sun, Apr 5 20208am Sun, Apr 5 20209am Sun, Apr 5 202010am Sun, Apr 5 202011am Sun, Apr 5 202012pm Sun, Apr 5 20201pm Sun, Apr 5 20202pm Sun, Apr 5 20203pm Sun, Apr 5 20204pm Sun, Apr 5 20205pm Sun, Apr 5 20206pm Sun, Apr 5 20207pm Sun, Apr 5 20208pm Sun, Apr 5 20209pm Sun, Apr 5 202010pm Sun, Apr 5 202011pm Sun, Apr 5 202012am Mon, Apr 6 20201am Mon, Apr 6 20202am Mon, Apr 6 20203am Mon, Apr 6 20204am Mon, Apr 6 20205am Mon, Apr 6 20206am Mon, Apr 6 20207am Mon, Apr 6 20208am Mon, Apr 6 20209am Mon, Apr 6 202010am Mon, Apr 6 202011am Mon, Apr 6 202012pm Mon, Apr 6 20201pm Mon, Apr 6 20202pm Mon, Apr 6 20203pm Mon, Apr 6 20204pm Mon, Apr 6 20205pm Mon, Apr 6 20206pm Mon, Apr 6 20207pm Mon, Apr 6 20208pm Mon, Apr 6 20209pm Mon, Apr 6 202010pm Mon, Apr 6 202011pm Mon, Apr 6 202012am Tue, Apr 7 20201am Tue, Apr 7 20202am Tue, Apr 7 20203am Tue, Apr 7 20204am Tue, Apr 7 20205am Tue, Apr 7 20206am Tue, Apr 7 20207am Tue, Apr 7 20208am Tue, Apr 7 20209am Tue, Apr 7 202010am Tue, Apr 7 202011am Tue, Apr 7 202012pm Tue, Apr 7 20201pm Tue, Apr 7 20202pm Tue, Apr 7 20203pm Tue, Apr 7 20204pm Tue, Apr 7 20205pm Tue, Apr 7 20206pm Tue, Apr 7 20207pm Tue, Apr 7 20208pm Tue, Apr 7 20209pm Tue, Apr 7 202010pm Tue, Apr 7 202011pm Tue, Apr 7 202012am Wed, Apr 8 20201am Wed, Apr 8 20202am Wed, Apr 8 20203am Wed, Apr 8 20204am Wed, Apr 8 20205am Wed, Apr 8 20206am Wed, Apr 8 20207am Wed, Apr 8 20208am Wed, Apr 8 20209am Wed, Apr 8 202010am Wed, Apr 8 202011am Wed, Apr 8 202012pm Wed, Apr 8 20201pm Wed, Apr 8 20202pm Wed, Apr 8 20203pm Wed, Apr 8 2020

Date	04/04																				04/05
Hour (EDT)	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03
Temperature (°F)	46	46	45	45	46	47	50	52	53	55	56	58	59	60	58	58	55	54	52	51	50	49	48	48
Dewpoint (°F)	39	39	39	39	39	40	41	42	42	42	42	43	42	42	43	44	44	44	44	44	44	43	43	43
Wind Chill (°F)	42	42	41	41	42	43	47														49	48	46	46
Surface Wind (mph)	8	7	7	8	8	8	7	7	7	6	6	6	6	6	5	5	3	2	2	2	3	3	5	5
Wind Dir	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	NE	E	E	SE	SE	S	S	S	S
Gust
Sky Cover (%)	55	80	85	89	94	93	92	91	91	90	90	89	88	86	85	83	82	81	81	80	78	75	73	74
Precipitation Potential (%)	2	2	2	2	3	3	3	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	3	3
Relative Humidity (%)	76	76	79	79	76	76	71	69	66	61	59	57	53	51	57	59	66	69	74	77	80	80	83	83
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																					04/06
Hour (EDT)	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03
Temperature (°F)	47	46	46	46	48	51	55	59	62	64	65	66	66	65	64	62	60	58	57	55	54	53	52	51
Dewpoint (°F)	43	43	43	43	44	45	45	46	46	47	47	47	48	48	48	49	49	49	49	49	48	47	46	45
Wind Chill (°F)	45	44	44	44	46
Surface Wind (mph)	5	5	5	5	5	5	5	5	5	6	6	6	6	6	6	5	5	5	5	5	3	2	2	3
Wind Dir	S	S	S	S	S	SW	SW	SW	SW	SW	SW	SW	W	W	W	W	W	W	W	W	W	NW	NW	NW
Gust
Sky Cover (%)	76	77	74	70	66	67	67	67	75	82	90	90	89	89	91	93	95	90	85	81	74	68	61	62
Precipitation Potential (%)	3	3	3	3	5	5	5	5	5	5	25	25	25	25	25	25	20	20	20	20	20	20	10	10
Relative Humidity (%)	86	89	89	89	86	80	69	62	56	54	52	50	52	54	56	62	67	72	75	80	80	80	80	80
Rain	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc	SChc	SChc	SChc	SChc	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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