Point Forecast: 2 Miles WNW Washington-Dulles International Airport VA  38.98N 77.47W (Elev. 262 ft)	Last Update: 7:30 pm EDT May 31, 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: 8pm Fri, May 31 20249pm Fri, May 31 202410pm Fri, May 31 202411pm Fri, May 31 202412am Sat, Jun 1 20241am Sat, Jun 1 20242am Sat, Jun 1 20243am Sat, Jun 1 20244am Sat, Jun 1 20245am Sat, Jun 1 20246am Sat, Jun 1 20247am Sat, Jun 1 20248am Sat, Jun 1 20249am Sat, Jun 1 202410am Sat, Jun 1 202411am Sat, Jun 1 202412pm Sat, Jun 1 20241pm Sat, Jun 1 20242pm Sat, Jun 1 20243pm Sat, Jun 1 20244pm Sat, Jun 1 20245pm Sat, Jun 1 20246pm Sat, Jun 1 20247pm Sat, Jun 1 20248pm Sat, Jun 1 20249pm Sat, Jun 1 202410pm Sat, Jun 1 202411pm Sat, Jun 1 202412am Sun, Jun 2 20241am Sun, Jun 2 20242am Sun, Jun 2 20243am Sun, Jun 2 20244am Sun, Jun 2 20245am Sun, Jun 2 20246am Sun, Jun 2 20247am Sun, Jun 2 20248am Sun, Jun 2 20249am Sun, Jun 2 202410am Sun, Jun 2 202411am Sun, Jun 2 202412pm Sun, Jun 2 20241pm Sun, Jun 2 20242pm Sun, Jun 2 20243pm Sun, Jun 2 20244pm Sun, Jun 2 20245pm Sun, Jun 2 20246pm Sun, Jun 2 20247pm Sun, Jun 2 20248pm Sun, Jun 2 20249pm Sun, Jun 2 202410pm Sun, Jun 2 202411pm Sun, Jun 2 202412am Mon, Jun 3 20241am Mon, Jun 3 20242am Mon, Jun 3 20243am Mon, Jun 3 20244am Mon, Jun 3 20245am Mon, Jun 3 20246am Mon, Jun 3 20247am Mon, Jun 3 20248am Mon, Jun 3 20249am Mon, Jun 3 202410am Mon, Jun 3 202411am Mon, Jun 3 202412pm Mon, Jun 3 20241pm Mon, Jun 3 20242pm Mon, Jun 3 20243pm Mon, Jun 3 20244pm Mon, Jun 3 20245pm Mon, Jun 3 20246pm Mon, Jun 3 20247pm Mon, Jun 3 20248pm Mon, Jun 3 20249pm Mon, Jun 3 202410pm Mon, Jun 3 202411pm Mon, Jun 3 202412am Tue, Jun 4 20241am Tue, Jun 4 20242am Tue, Jun 4 20243am Tue, Jun 4 20244am Tue, Jun 4 20245am Tue, Jun 4 20246am Tue, Jun 4 20247am Tue, Jun 4 20248am Tue, Jun 4 20249am Tue, Jun 4 202410am Tue, Jun 4 202411am Tue, Jun 4 202412pm Tue, Jun 4 20241pm Tue, Jun 4 20242pm Tue, Jun 4 20243pm Tue, Jun 4 20244pm Tue, Jun 4 20245pm Tue, Jun 4 20246pm Tue, Jun 4 20247pm Tue, Jun 4 20248pm Tue, Jun 4 20249pm Tue, Jun 4 202410pm Tue, Jun 4 202411pm Tue, Jun 4 202412am Wed, Jun 5 20241am Wed, Jun 5 20242am Wed, Jun 5 20243am Wed, Jun 5 20244am Wed, Jun 5 20245am Wed, Jun 5 20246am Wed, Jun 5 20247am Wed, Jun 5 2024

Date	05/31				06/01
Hour (EDT)	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19
Temperature (°F)	68	65	61	59	58	57	55	53	53	52	52	54	60	65	70	74	77	78	80	80	81	81	79	77
Dewpoint (°F)	42	42	42	42	42	42	42	42	43	43	43	44	46	46	46	47	47	48	47	47	47	48	49	50
Heat Index (°F)																	77	78	79	79	80	80	79	77
Surface Wind (mph)	3	3	3	3	3	3	3	3	3	3	3	3	3	2	2	2	2	3	5	5	5	6	6	6
Wind Dir	NW	NW	W	W	W	W	W	W	W	NW	NW	NW	NW	NW	NW	NW	W	SW	SW	SW	SW	S	S	S
Gust
Sky Cover (%)	2	0	1	2	1	1	1	0	0	2	3	9	13	10	12	16	16	15	15	18	23	29	26	29
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 (%)	39	43	49	53	55	57	61	66	69	71	71	69	60	50	42	38	35	35	31	31	30	32	35	39
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date					06/02
Hour (EDT)	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19
Temperature (°F)	74	71	70	68	66	64	63	62	62	62	63	64	67	70	74	77	79	80	80	80	79	78	77	74
Dewpoint (°F)	51	51	51	51	51	51	51	51	50	51	52	53	54	55	55	56	56	56	57	57	58	58	58	59
Heat Index (°F)																77	79	80	80	80	79	78	77
Surface Wind (mph)	6	6	7	7	7	7	7	7	7	7	7	7	7	8	8	9	10	10	11	11	11	11	10	9
Wind Dir	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	SW	SW	SW	SW	SW	SW	W	W
Gust
Sky Cover (%)	30	28	29	29	32	38	45	50	56	60	62	65	68	70	76	78	78	84	84	82	79	78	76	73
Precipitation Potential (%)	0	0	0	0	0	0	2	2	2	2	2	2	19	19	19	19	19	19	31	31	31	31	31	31
Relative Humidity (%)	44	49	51	54	58	63	65	67	65	67	67	67	63	59	51	48	45	44	45	45	49	50	52	59
Rain	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc

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