Point Forecast: 2 Miles S Washington-Dulles International Airport VA  38.93N 77.45W (Elev. 91 m)	Last Update: 7:29 pm EDT Mar 26, 2025

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

48-Hour Period Starting: 9pm Wed, Mar 26 202510pm Wed, Mar 26 202511pm Wed, Mar 26 202512am Thu, Mar 27 20251am Thu, Mar 27 20252am Thu, Mar 27 20253am Thu, Mar 27 20254am Thu, Mar 27 20255am Thu, Mar 27 20256am Thu, Mar 27 20257am Thu, Mar 27 20258am Thu, Mar 27 20259am Thu, Mar 27 202510am Thu, Mar 27 202511am Thu, Mar 27 202512pm Thu, Mar 27 20251pm Thu, Mar 27 20252pm Thu, Mar 27 20253pm Thu, Mar 27 20254pm Thu, Mar 27 20255pm Thu, Mar 27 20256pm Thu, Mar 27 20257pm Thu, Mar 27 20258pm Thu, Mar 27 20259pm Thu, Mar 27 202510pm Thu, Mar 27 202511pm Thu, Mar 27 202512am Fri, Mar 28 20251am Fri, Mar 28 20252am Fri, Mar 28 20253am Fri, Mar 28 20254am Fri, Mar 28 20255am Fri, Mar 28 20256am Fri, Mar 28 20257am Fri, Mar 28 20258am Fri, Mar 28 20259am Fri, Mar 28 202510am Fri, Mar 28 202511am Fri, Mar 28 202512pm Fri, Mar 28 20251pm Fri, Mar 28 20252pm Fri, Mar 28 20253pm Fri, Mar 28 20254pm Fri, Mar 28 20255pm Fri, Mar 28 20256pm Fri, Mar 28 20257pm Fri, Mar 28 20258pm Fri, Mar 28 20259pm Fri, Mar 28 202510pm Fri, Mar 28 202511pm Fri, Mar 28 202512am Sat, Mar 29 20251am Sat, Mar 29 20252am Sat, Mar 29 20253am Sat, Mar 29 20254am Sat, Mar 29 20255am Sat, Mar 29 20256am Sat, Mar 29 20257am Sat, Mar 29 20258am Sat, Mar 29 20259am Sat, Mar 29 202510am Sat, Mar 29 202511am Sat, Mar 29 202512pm Sat, Mar 29 20251pm Sat, Mar 29 20252pm Sat, Mar 29 20253pm Sat, Mar 29 20254pm Sat, Mar 29 20255pm Sat, Mar 29 20256pm Sat, Mar 29 20257pm Sat, Mar 29 20258pm Sat, Mar 29 20259pm Sat, Mar 29 202510pm Sat, Mar 29 202511pm Sat, Mar 29 202512am Sun, Mar 30 20251am Sun, Mar 30 20252am Sun, Mar 30 20253am Sun, Mar 30 20254am Sun, Mar 30 20255am Sun, Mar 30 20256am Sun, Mar 30 20257am Sun, Mar 30 20258am Sun, Mar 30 20259am Sun, Mar 30 202510am Sun, Mar 30 202511am Sun, Mar 30 202512pm Sun, Mar 30 20251pm Sun, Mar 30 20252pm Sun, Mar 30 20253pm Sun, Mar 30 20254pm Sun, Mar 30 20255pm Sun, Mar 30 20256pm Sun, Mar 30 20257pm Sun, Mar 30 20258pm Sun, Mar 30 20259pm Sun, Mar 30 202510pm Sun, Mar 30 202511pm Sun, Mar 30 202512am Mon, Mar 31 20251am Mon, Mar 31 20252am Mon, Mar 31 20253am Mon, Mar 31 20254am Mon, Mar 31 20255am Mon, Mar 31 20256am Mon, Mar 31 20257am Mon, Mar 31 20258am Mon, Mar 31 2025

Date	03/26			03/27
Hour (EDT)	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20
Temperature (°C)	7	6	4	3	3	2	1	1	1	1	1	1	4	6	8	11	12	13	14	15	16	16	14	12
Dewpoint (°C)	-6	-6	-6	-6	-6	-6	-6	-6	-6	-6	-6	-6	-6	-7	-6	-6	-6	-6	-5	-6	-6	-6	-3	-2
Wind Chill (°C)	4	3	2	1	1	0	-1	-1	-2	-1	-1	-1	2	4	7
Surface Wind (mph)	7	6	6	5	5	5	5	5	5	3	3	3	5	6	7	8	8	9	8	9	9	8	7	5
Wind Dir	NW	NW	NW	NW	NW	NW	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W
Gust
Sky Cover (%)	8	7	5	3	3	4	4	5	9	14	17	32	35	37	34	27	26	27	32	38	40	43	45	46
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	48	52	54	56	58	58	61	61	61	63	50	39	35	30	28	26	26	24	23	23	31	36
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date				03/28
Hour (EDT)	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20
Temperature (°C)	11	10	9	8	8	7	7	7	6	6	6	6	8	11	14	16	17	18	19	19	19	18	17	16
Dewpoint (°C)	-3	-2	-2	-2	-2	-2	-1	-1	-1	-1	-1	0	1	2	3	3	4	5	6	7	8	8	8	9
Wind Chill (°C)		9	8	7	7	6	5	6	5	4	4	5	8
Surface Wind (mph)	6	3	5	5	5	5	5	3	3	3	3	3	3	3	5	6	6	7	7	8	8	8	7	7
Wind Dir	SW	SW	W	W	W	W	W	W	W	W	SW	SW	SW	S	S	S	S	S	S	S	S	S	S	S
Gust
Sky Cover (%)	48	50	51	51	50	49	49	51	53	55	57	62	65	66	66	66	66	65	64	62	59	57	55	52
Precipitation Potential (%)	0	0	0	0	0	1	1	1	1	1	1	16	16	16	16	16	16	34	34	34	34	34	34	16
Relative Humidity (%)	38	42	46	47	49	53	57	60	62	65	65	65	58	52	47	42	43	41	43	45	47	52	56	62
Rain	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc	SChc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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