Point Forecast: 2 Miles WNW Chantilly VA  38.89N 77.46W (Elev. 282 ft)	Last Update: 9:29 pm EST Nov 7, 2025

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Weather Elements Fire Weather Aviation Weather Temperature (°F) Dewpoint (°F) Wind Chill (°F) 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-ft) Atmospheric Dispersion Index Low Visibility Occurrence Risk Index Ceiling Height Visibility

48-Hour Period Starting: 11pm Fri, Nov 7 202512am Sat, Nov 8 20251am Sat, Nov 8 20252am Sat, Nov 8 20253am Sat, Nov 8 20254am Sat, Nov 8 20255am Sat, Nov 8 20256am Sat, Nov 8 20257am Sat, Nov 8 20258am Sat, Nov 8 20259am Sat, Nov 8 202510am Sat, Nov 8 202511am Sat, Nov 8 202512pm Sat, Nov 8 20251pm Sat, Nov 8 20252pm Sat, Nov 8 20253pm Sat, Nov 8 20254pm Sat, Nov 8 20255pm Sat, Nov 8 20256pm Sat, Nov 8 20257pm Sat, Nov 8 20258pm Sat, Nov 8 20259pm Sat, Nov 8 202510pm Sat, Nov 8 202511pm Sat, Nov 8 202512am Sun, Nov 9 20251am Sun, Nov 9 20252am Sun, Nov 9 20253am Sun, Nov 9 20254am Sun, Nov 9 20255am Sun, Nov 9 20256am Sun, Nov 9 20257am Sun, Nov 9 20258am Sun, Nov 9 20259am Sun, Nov 9 202510am Sun, Nov 9 202511am Sun, Nov 9 202512pm Sun, Nov 9 20251pm Sun, Nov 9 20252pm Sun, Nov 9 20253pm Sun, Nov 9 20254pm Sun, Nov 9 20255pm Sun, Nov 9 20256pm Sun, Nov 9 20257pm Sun, Nov 9 20258pm Sun, Nov 9 20259pm Sun, Nov 9 202510pm Sun, Nov 9 202511pm Sun, Nov 9 202512am Mon, Nov 10 20251am Mon, Nov 10 20252am Mon, Nov 10 20253am Mon, Nov 10 20254am Mon, Nov 10 20255am Mon, Nov 10 20256am Mon, Nov 10 20257am Mon, Nov 10 20258am Mon, Nov 10 20259am Mon, Nov 10 202510am Mon, Nov 10 202511am Mon, Nov 10 202512pm Mon, Nov 10 20251pm Mon, Nov 10 20252pm Mon, Nov 10 20253pm Mon, Nov 10 20254pm Mon, Nov 10 20255pm Mon, Nov 10 20256pm Mon, Nov 10 20257pm Mon, Nov 10 20258pm Mon, Nov 10 20259pm Mon, Nov 10 202510pm Mon, Nov 10 202511pm Mon, Nov 10 202512am Tue, Nov 11 20251am Tue, Nov 11 20252am Tue, Nov 11 20253am Tue, Nov 11 20254am Tue, Nov 11 20255am Tue, Nov 11 20256am Tue, Nov 11 20257am Tue, Nov 11 20258am Tue, Nov 11 20259am Tue, Nov 11 202510am Tue, Nov 11 202511am Tue, Nov 11 202512pm Tue, Nov 11 20251pm Tue, Nov 11 20252pm Tue, Nov 11 20253pm Tue, Nov 11 20254pm Tue, Nov 11 20255pm Tue, Nov 11 20256pm Tue, Nov 11 20257pm Tue, Nov 11 20258pm Tue, Nov 11 20259pm Tue, Nov 11 202510pm Tue, Nov 11 202511pm Tue, Nov 11 202512am Wed, Nov 12 20251am Wed, Nov 12 20252am Wed, Nov 12 20253am Wed, Nov 12 20254am Wed, Nov 12 20255am Wed, Nov 12 20256am Wed, Nov 12 20257am Wed, Nov 12 20258am Wed, Nov 12 20259am Wed, Nov 12 202510am Wed, Nov 12 2025

Date	11/07	11/08
Hour (EST)	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22
Temperature (°F)	59	58	57	56	56	54	53	53	52	54	58	61	64	66	67	68	69	67	65	63	59	57	56	54
Dewpoint (°F)	52	54	55	54	54	54	53	53	51	52	52	52	50	49	48	48	47	47	47	47	48	49	49	49
Wind Chill (°F)
Surface Wind (mph)	9	7	7	7	6	5	5	6	6	6	6	7	7	6	6	6	6	5	5	3	3	2	2	2
Wind Dir	SW	SW	SW	SW	SW	SW	SW	W	W	NW	NW	NW	NW	NW	NW	NW	W	SW	SE	E	E	SE	SE	SE
Gust
Sky Cover (%)	98	98	98	97	96	86	75	60	29	19	6	3	2	3	10	16	17	22	46	50	57	50	50	49
Precipitation Potential (%)	75	87	88	62	29	19	4	0	1	0	0	0	0	0	0	0	0	0	0	0	2	2	2	2
Relative Humidity (%)	78	86	93	93	93	100	100	100	96	93	80	72	60	54	50	49	45	49	52	56	67	75	77	83
Rain	Ocnl	Ocnl	Ocnl	Lkly	Chc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date		11/09
Hour (EST)	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22
Temperature (°F)	52	52	50	50	49	48	48	48	50	52	56	59	62	65	67	68	68	67	64	61	58	55	53	51
Dewpoint (°F)	49	48	48	48	48	48	48	48	50	52	53	55	56	56	56	56	55	54	53	52	50	48	45	43
Wind Chill (°F)			50	49	48	47	47	46	48
Surface Wind (mph)	2	2	2	3	3	3	3	5	5	6	6	7	8	9	10	10	10	10	9	9	9	9	9	10
Wind Dir	SE	SE	S	S	S	S	S	SE	SE	S	S	S	S	S	S	SW	SW	SW	W	W	NW	NW	NW	NW
Gust																18	18
Sky Cover (%)	44	40	35	43	52	60	65	70	75	75	76	76	73	70	67	65	63	61	63	64	66	68	71	73
Precipitation Potential (%)	2	2	15	15	15	15	15	15	47	47	47	47	47	47	40	40	40	40	40	40	32	32	32	32
Relative Humidity (%)	89	86	93	93	96	100	100	100	100	100	90	87	81	73	68	65	63	63	67	72	75	77	74	74
Rain	--	--	SChc	SChc	SChc	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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