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Point Forecast: 2 Miles S Washington-Dulles International Airport VA  38.93N 77.45W (Elev. 299 ft)	Last Update: 4:29 am EDT Oct 1, 2023

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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: 4am Sun, Oct 1 20235am Sun, Oct 1 20236am Sun, Oct 1 20237am Sun, Oct 1 20238am Sun, Oct 1 20239am Sun, Oct 1 202310am Sun, Oct 1 202311am Sun, Oct 1 202312pm Sun, Oct 1 20231pm Sun, Oct 1 20232pm Sun, Oct 1 20233pm Sun, Oct 1 20234pm Sun, Oct 1 20235pm Sun, Oct 1 20236pm Sun, Oct 1 20237pm Sun, Oct 1 20238pm Sun, Oct 1 20239pm Sun, Oct 1 202310pm Sun, Oct 1 202311pm Sun, Oct 1 202312am Mon, Oct 2 20231am Mon, Oct 2 20232am Mon, Oct 2 20233am Mon, Oct 2 20234am Mon, Oct 2 20235am Mon, Oct 2 20236am Mon, Oct 2 20237am Mon, Oct 2 20238am Mon, Oct 2 20239am Mon, Oct 2 202310am Mon, Oct 2 202311am Mon, Oct 2 202312pm Mon, Oct 2 20231pm Mon, Oct 2 20232pm Mon, Oct 2 20233pm Mon, Oct 2 20234pm Mon, Oct 2 20235pm Mon, Oct 2 20236pm Mon, Oct 2 20237pm Mon, Oct 2 20238pm Mon, Oct 2 20239pm Mon, Oct 2 202310pm Mon, Oct 2 202311pm Mon, Oct 2 202312am Tue, Oct 3 20231am Tue, Oct 3 20232am Tue, Oct 3 20233am Tue, Oct 3 20234am Tue, Oct 3 20235am Tue, Oct 3 20236am Tue, Oct 3 20237am Tue, Oct 3 20238am Tue, Oct 3 20239am Tue, Oct 3 202310am Tue, Oct 3 202311am Tue, Oct 3 202312pm Tue, Oct 3 20231pm Tue, Oct 3 20232pm Tue, Oct 3 20233pm Tue, Oct 3 20234pm Tue, Oct 3 20235pm Tue, Oct 3 20236pm Tue, Oct 3 20237pm Tue, Oct 3 20238pm Tue, Oct 3 20239pm Tue, Oct 3 202310pm Tue, Oct 3 202311pm Tue, Oct 3 202312am Wed, Oct 4 20231am Wed, Oct 4 20232am Wed, Oct 4 20233am Wed, Oct 4 20234am Wed, Oct 4 20235am Wed, Oct 4 20236am Wed, Oct 4 20237am Wed, Oct 4 20238am Wed, Oct 4 20239am Wed, Oct 4 202310am Wed, Oct 4 202311am Wed, Oct 4 202312pm Wed, Oct 4 20231pm Wed, Oct 4 20232pm Wed, Oct 4 20233pm Wed, Oct 4 20234pm Wed, Oct 4 20235pm Wed, Oct 4 20236pm Wed, Oct 4 20237pm Wed, Oct 4 20238pm Wed, Oct 4 20239pm Wed, Oct 4 202310pm Wed, Oct 4 202311pm Wed, Oct 4 202312am Thu, Oct 5 20231am Thu, Oct 5 20232am Thu, Oct 5 20233am Thu, Oct 5 20234am Thu, Oct 5 20235am Thu, Oct 5 20236am Thu, Oct 5 20237am Thu, Oct 5 20238am Thu, Oct 5 20239am Thu, Oct 5 202310am Thu, Oct 5 202311am Thu, Oct 5 202312pm Thu, Oct 5 20231pm Thu, Oct 5 20232pm Thu, Oct 5 20233pm Thu, Oct 5 2023

Date	10/01																				10/02
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)	58	56	56	56	58	62	68	72	75	76	78	79	78	78	75	72	69	67	65	63	62	61	60	59
Dewpoint (°F)	57	56	56	56	58	60	61	62	61	61	60	60	60	60	60	60	60	60	59	59	59	59	59	58
Heat Index (°F)									75	76	78	79	78	78	75
Surface Wind (mph)	2	3	3	3	3	5	7	8	7	8	9	7	7	8	8	7	6	5	5	3	3	3	3	5
Wind Dir	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	NW	N	N	N
Gust
Sky Cover (%)	19	20	19	19	18	14	7	5	8	10	11	9	6	2	1	2	1	2	2	2	3	3	2	2
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1
Relative Humidity (%)	96	100	100	100	100	93	78	71	62	60	54	52	54	54	60	66	73	78	81	87	90	93	96	96
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																					10/03
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)	59	58	57	57	59	64	69	73	76	78	79	80	80	79	77	74	71	69	67	66	65	63	62	61
Dewpoint (°F)	58	57	57	57	58	60	62	63	63	63	63	63	63	63	63	63	63	63	63	63	63	62	62	61
Heat Index (°F)									76	78	79	81	81	79	77
Surface Wind (mph)	5	5	5	5	6	6	6	6	6	6	6	7	7	7	6	5	5	3	3	3	2	2	2	1
Wind Dir	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	NE	NE	N	N	NW	NW	NW	NW	NW
Gust
Sky Cover (%)	2	1	2	4	6	6	6	6	8	9	11	11	11	11	12	14	15	16	16	16	15	13	12	12
Precipitation Potential (%)	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	96	96	100	100	96	87	78	71	64	60	58	56	56	58	62	69	76	81	87	90	93	97	100	100
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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