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Point Forecast: Washington-Dulles International Airport VA  38.95N 77.44W (Elev. 285 ft)	Last Update: 1:34 am EDT Jun 13, 2021

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Weather Elements Weather/Precipitation Fire Weather Temperature (°F) Dewpoint (°F) Heat Index (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder 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: 2am Sun, Jun 13 20213am Sun, Jun 13 20214am Sun, Jun 13 20215am Sun, Jun 13 20216am Sun, Jun 13 20217am Sun, Jun 13 20218am Sun, Jun 13 20219am Sun, Jun 13 202110am Sun, Jun 13 202111am Sun, Jun 13 202112pm Sun, Jun 13 20211pm Sun, Jun 13 20212pm Sun, Jun 13 20213pm Sun, Jun 13 20214pm Sun, Jun 13 20215pm Sun, Jun 13 20216pm Sun, Jun 13 20217pm Sun, Jun 13 20218pm Sun, Jun 13 20219pm Sun, Jun 13 202110pm Sun, Jun 13 202111pm Sun, Jun 13 202112am Mon, Jun 14 20211am Mon, Jun 14 20212am Mon, Jun 14 20213am Mon, Jun 14 20214am Mon, Jun 14 20215am Mon, Jun 14 20216am Mon, Jun 14 20217am Mon, Jun 14 20218am Mon, Jun 14 20219am Mon, Jun 14 202110am Mon, Jun 14 202111am Mon, Jun 14 202112pm Mon, Jun 14 20211pm Mon, Jun 14 20212pm Mon, Jun 14 20213pm Mon, Jun 14 20214pm Mon, Jun 14 20215pm Mon, Jun 14 20216pm Mon, Jun 14 20217pm Mon, Jun 14 20218pm Mon, Jun 14 20219pm Mon, Jun 14 202110pm Mon, Jun 14 202111pm Mon, Jun 14 202112am Tue, Jun 15 20211am Tue, Jun 15 20212am Tue, Jun 15 20213am Tue, Jun 15 20214am Tue, Jun 15 20215am Tue, Jun 15 20216am Tue, Jun 15 20217am Tue, Jun 15 20218am Tue, Jun 15 20219am Tue, Jun 15 202110am Tue, Jun 15 202111am Tue, Jun 15 202112pm Tue, Jun 15 20211pm Tue, Jun 15 20212pm Tue, Jun 15 20213pm Tue, Jun 15 20214pm Tue, Jun 15 20215pm Tue, Jun 15 20216pm Tue, Jun 15 20217pm Tue, Jun 15 20218pm Tue, Jun 15 20219pm Tue, Jun 15 202110pm Tue, Jun 15 202111pm Tue, Jun 15 202112am Wed, Jun 16 20211am Wed, Jun 16 20212am Wed, Jun 16 20213am Wed, Jun 16 20214am Wed, Jun 16 20215am Wed, Jun 16 20216am Wed, Jun 16 20217am Wed, Jun 16 20218am Wed, Jun 16 20219am Wed, Jun 16 202110am Wed, Jun 16 202111am Wed, Jun 16 202112pm Wed, Jun 16 20211pm Wed, Jun 16 20212pm Wed, Jun 16 20213pm Wed, Jun 16 20214pm Wed, Jun 16 20215pm Wed, Jun 16 20216pm Wed, Jun 16 20217pm Wed, Jun 16 20218pm Wed, Jun 16 20219pm Wed, Jun 16 202110pm Wed, Jun 16 202111pm Wed, Jun 16 202112am Thu, Jun 17 20211am Thu, Jun 17 20212am Thu, Jun 17 20213am Thu, Jun 17 20214am Thu, Jun 17 20215am Thu, Jun 17 20216am Thu, Jun 17 20217am Thu, Jun 17 20218am Thu, Jun 17 20219am Thu, Jun 17 202110am Thu, Jun 17 202111am Thu, Jun 17 202112pm Thu, Jun 17 20211pm Thu, Jun 17 2021

Date	06/13																						06/14
Hour (EDT)	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01
Temperature (°F)	66	65	65	65	64	65	68	71	74	76	78	79	81	81	82	82	80	79	76	73	71	71	70	69
Dewpoint (°F)	63	63	63	63	62	63	64	64	65	65	65	66	66	67	67	66	67	67	67	67	66	66	66	65
Heat Index (°F)										76	78	79	83	83	85	84	82	79	76
Surface Wind (mph)	3	3	3	3	3	3	5	6	7	7	9	8	8	8	8	9	8	7	6	6	6	5	6	6
Wind Dir	S	S	SE	SE	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	SE	S	SE
Gust
Sky Cover (%)	47	55	56	56	57	55	54	55	52	44	37	30	30	30	40	59	75	70	74	76	74	79	69	61
Precipitation Potential (%)	2	2	2	2	2	2	2	2	2	2	2	5	10	20	27	40	49	50	57	60	52	50	42	36
Relative Humidity (%)	90	93	93	93	93	93	87	79	74	69	64	64	60	63	61	58	65	67	74	81	84	84	87	87
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	Chc	Chc	Chc	Chc	Lkly	Lkly	Chc	Chc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	Chc	Chc	Chc	Chc	Lkly	Lkly	Chc	Chc	Chc	Chc
Fog	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																							06/15
Hour (EDT)	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01
Temperature (°F)	69	68	68	67	67	68	70	72	75	78	81	82	84	85	85	85	84	82	79	76	73	71	69	68
Dewpoint (°F)	65	65	65	65	65	65	66	66	66	66	66	65	64	64	64	64	64	65	65	65	64	64	64	63
Heat Index (°F)									75	78	83	84	85	86	86	86	85	84	79	76
Surface Wind (mph)	6	5	5	3	3	5	5	6	6	6	6	5	6	7	7	7	7	7	6	2	2	5	6	6
Wind Dir	S	S	S	S	S	S	SW	SW	SW	W	W	SW	SW	S	S	S	S	S	S	S	W	NW	NW	NW
Gust
Sky Cover (%)	62	64	66	67	61	60	58	57	58	54	45	33	24	21	22	26	31	37	42	48	53	55	53	48
Precipitation Potential (%)	20	20	20	20	20	20	13	13	13	13	13	13	30	30	30	30	30	30	42	42	42	42	42	42
Relative Humidity (%)	87	90	90	93	93	90	87	81	74	67	60	56	51	50	50	50	51	56	62	69	73	79	84	84
Rain	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc
Fog	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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