Point Forecast: 2 Miles S Washington-Dulles International Airport VA  38.93N 77.45W (Elev. 299 ft)	Last Update: 4:30 am EDT Oct 9, 2024

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Weather Elements Fire Weather Aviation 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 Ceiling Height Visibility

48-Hour Period Starting: 5am Wed, Oct 9 20246am Wed, Oct 9 20247am Wed, Oct 9 20248am Wed, Oct 9 20249am Wed, Oct 9 202410am Wed, Oct 9 202411am Wed, Oct 9 202412pm Wed, Oct 9 20241pm Wed, Oct 9 20242pm Wed, Oct 9 20243pm Wed, Oct 9 20244pm Wed, Oct 9 20245pm Wed, Oct 9 20246pm Wed, Oct 9 20247pm Wed, Oct 9 20248pm Wed, Oct 9 20249pm Wed, Oct 9 202410pm Wed, Oct 9 202411pm Wed, Oct 9 202412am Thu, Oct 10 20241am Thu, Oct 10 20242am Thu, Oct 10 20243am Thu, Oct 10 20244am Thu, Oct 10 20245am Thu, Oct 10 20246am Thu, Oct 10 20247am Thu, Oct 10 20248am Thu, Oct 10 20249am Thu, Oct 10 202410am Thu, Oct 10 202411am Thu, Oct 10 202412pm Thu, Oct 10 20241pm Thu, Oct 10 20242pm Thu, Oct 10 20243pm Thu, Oct 10 20244pm Thu, Oct 10 20245pm Thu, Oct 10 20246pm Thu, Oct 10 20247pm Thu, Oct 10 20248pm Thu, Oct 10 20249pm Thu, Oct 10 202410pm Thu, Oct 10 202411pm Thu, Oct 10 202412am Fri, Oct 11 20241am Fri, Oct 11 20242am Fri, Oct 11 20243am Fri, Oct 11 20244am Fri, Oct 11 20245am Fri, Oct 11 20246am Fri, Oct 11 20247am Fri, Oct 11 20248am Fri, Oct 11 20249am Fri, Oct 11 202410am Fri, Oct 11 202411am Fri, Oct 11 202412pm Fri, Oct 11 20241pm Fri, Oct 11 20242pm Fri, Oct 11 20243pm Fri, Oct 11 20244pm Fri, Oct 11 20245pm Fri, Oct 11 20246pm Fri, Oct 11 20247pm Fri, Oct 11 20248pm Fri, Oct 11 20249pm Fri, Oct 11 202410pm Fri, Oct 11 202411pm Fri, Oct 11 202412am Sat, Oct 12 20241am Sat, Oct 12 20242am Sat, Oct 12 20243am Sat, Oct 12 20244am Sat, Oct 12 20245am Sat, Oct 12 20246am Sat, Oct 12 20247am Sat, Oct 12 20248am Sat, Oct 12 20249am Sat, Oct 12 202410am Sat, Oct 12 202411am Sat, Oct 12 202412pm Sat, Oct 12 20241pm Sat, Oct 12 20242pm Sat, Oct 12 20243pm Sat, Oct 12 20244pm Sat, Oct 12 20245pm Sat, Oct 12 20246pm Sat, Oct 12 20247pm Sat, Oct 12 20248pm Sat, Oct 12 20249pm Sat, Oct 12 202410pm Sat, Oct 12 202411pm Sat, Oct 12 202412am Sun, Oct 13 20241am Sun, Oct 13 20242am Sun, Oct 13 20243am Sun, Oct 13 20244am Sun, Oct 13 20245am Sun, Oct 13 20246am Sun, Oct 13 20247am Sun, Oct 13 20248am Sun, Oct 13 20249am Sun, Oct 13 202410am Sun, Oct 13 202411am Sun, Oct 13 202412pm Sun, Oct 13 20241pm Sun, Oct 13 20242pm Sun, Oct 13 20243pm Sun, Oct 13 20244pm Sun, Oct 13 2024

Date	10/09																			10/10
Hour (EDT)	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04
Temperature (°F)	46	46	46	48	52	60	64	66	68	69	69	70	68	66	64	58	56	54	53	51	51	49	48	47
Dewpoint (°F)	44	44	43	44	46	45	44	43	43	43	43	42	42	42	42	42	42	41	39	39	38	37	37	37
Heat Index (°F)
Surface Wind (mph)	2	2	3	3	5	6	8	9	10	10	10	10	10	8	7	6	6	6	6	6	6	6	6	6
Wind Dir	SW	SW	SW	SW	SW	W	W	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW
Gust
Sky Cover (%)	6	8	10	14	8	2	1	2	1	2	2	3	3	1	1	2	2	1	3	2	1	3	2	1
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	93	93	89	86	80	58	48	43	40	39	39	36	39	42	45	55	59	61	59	63	61	63	65	68
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																				10/11
Hour (EDT)	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04
Temperature (°F)	46	45	44	44	48	52	56	58	60	62	63	63	62	59	56	53	51	49	48	47	46	45	44	42
Dewpoint (°F)	38	38	38	38	39	39	39	39	39	39	39	40	40	40	40	40	40	40	41	41	41	41	40	40
Heat Index (°F)
Surface Wind (mph)	6	6	6	6	7	9	10	10	9	9	9	9	9	8	7	5	3	3	3	3	3	3	3	3
Wind Dir	NW	NW	NW	NW	NW	N	N	N	N	N	N	N	N	N	N	N	N	N	NW	NW	NW	NW	NW	NW
Gust
Sky Cover (%)	2	2	1	0	1	0	0	1	2	2	2	2	2	2	1	1	1	2	2	2	2	2	2	3
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	73	76	79	79	71	61	53	49	46	43	41	43	44	49	55	61	66	71	77	79	83	86	86	93
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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