Point Forecast: 2 Miles S Washington-Dulles International Airport VA  38.93N 77.45W (Elev. 299 ft)	Last Update: 9:53 am EST Jan 12, 2026

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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: 11am Mon, Jan 12 202612pm Mon, Jan 12 20261pm Mon, Jan 12 20262pm Mon, Jan 12 20263pm Mon, Jan 12 20264pm Mon, Jan 12 20265pm Mon, Jan 12 20266pm Mon, Jan 12 20267pm Mon, Jan 12 20268pm Mon, Jan 12 20269pm Mon, Jan 12 202610pm Mon, Jan 12 202611pm Mon, Jan 12 202612am Tue, Jan 13 20261am Tue, Jan 13 20262am Tue, Jan 13 20263am Tue, Jan 13 20264am Tue, Jan 13 20265am Tue, Jan 13 20266am Tue, Jan 13 20267am Tue, Jan 13 20268am Tue, Jan 13 20269am Tue, Jan 13 202610am Tue, Jan 13 202611am Tue, Jan 13 202612pm Tue, Jan 13 20261pm Tue, Jan 13 20262pm Tue, Jan 13 20263pm Tue, Jan 13 20264pm Tue, Jan 13 20265pm Tue, Jan 13 20266pm Tue, Jan 13 20267pm Tue, Jan 13 20268pm Tue, Jan 13 20269pm Tue, Jan 13 202610pm Tue, Jan 13 202611pm Tue, Jan 13 202612am Wed, Jan 14 20261am Wed, Jan 14 20262am Wed, Jan 14 20263am Wed, Jan 14 20264am Wed, Jan 14 20265am Wed, Jan 14 20266am Wed, Jan 14 20267am Wed, Jan 14 20268am Wed, Jan 14 20269am Wed, Jan 14 202610am Wed, Jan 14 202611am Wed, Jan 14 202612pm Wed, Jan 14 20261pm Wed, Jan 14 20262pm Wed, Jan 14 20263pm Wed, Jan 14 20264pm Wed, Jan 14 20265pm Wed, Jan 14 20266pm Wed, Jan 14 20267pm Wed, Jan 14 20268pm Wed, Jan 14 20269pm Wed, Jan 14 202610pm Wed, Jan 14 202611pm Wed, Jan 14 202612am Thu, Jan 15 20261am Thu, Jan 15 20262am Thu, Jan 15 20263am Thu, Jan 15 20264am Thu, Jan 15 20265am Thu, Jan 15 20266am Thu, Jan 15 20267am Thu, Jan 15 20268am Thu, Jan 15 20269am Thu, Jan 15 202610am Thu, Jan 15 202611am Thu, Jan 15 202612pm Thu, Jan 15 20261pm Thu, Jan 15 20262pm Thu, Jan 15 20263pm Thu, Jan 15 20264pm Thu, Jan 15 20265pm Thu, Jan 15 20266pm Thu, Jan 15 20267pm Thu, Jan 15 20268pm Thu, Jan 15 20269pm Thu, Jan 15 202610pm Thu, Jan 15 202611pm Thu, Jan 15 202612am Fri, Jan 16 20261am Fri, Jan 16 20262am Fri, Jan 16 20263am Fri, Jan 16 20264am Fri, Jan 16 20265am Fri, Jan 16 20266am Fri, Jan 16 20267am Fri, Jan 16 20268am Fri, Jan 16 20269am Fri, Jan 16 202610am Fri, Jan 16 202611am Fri, Jan 16 202612pm Fri, Jan 16 20261pm Fri, Jan 16 20262pm Fri, Jan 16 20263pm Fri, Jan 16 20264pm Fri, Jan 16 20265pm Fri, Jan 16 20266pm Fri, Jan 16 20267pm Fri, Jan 16 20268pm Fri, Jan 16 20269pm Fri, Jan 16 202610pm Fri, Jan 16 2026

Date	01/12													01/13
Hour (EST)	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10
Temperature (°F)	40	42	44	45	46	46	44	41	40	37	36	34	33	32	31	31	30	30	30	30	28	30	33	38
Dewpoint (°F)	23	24	24	25	25	26	25	25	26	25	25	25	24	24	23	23	23	22	23	23	23	24	25	26
Wind Chill (°F)	35	38	40	41	42	43	41	38	37	34	36	34	33	32	31	31	30	30	30	30	28	30	33	36
Surface Wind (mph)	7	7	7	7	7	6	6	5	5	3	2	2	2	1	1	1	1	1	1	1	2	2	2	3
Wind Dir	SW	SW	SW	SW	SW	SW	SW	S	SW	SW	SW	SW	W	W	SW	SW	SW	SW	SW	SW	S	S	S	S
Gust
Sky Cover (%)	9	10	11	15	18	23	21	24	25	16	16	11	10	15	31	19	11	23	14	8	9	15	13	11
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 (%)	50	48	45	45	43	45	47	52	57	61	64	69	69	72	72	72	75	72	75	75	81	78	72	62
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date														01/14
Hour (EST)	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10
Temperature (°F)	42	45	47	49	49	49	48	46	45	45	44	44	43	43	42	41	40	40	39	38	38	40	42	44
Dewpoint (°F)	27	27	28	29	30	30	30	29	29	29	28	28	28	28	28	28	29	29	29	30	30	31	32	33
Wind Chill (°F)	39	41	43	45	45	45	43	41	40	39	38	38	37	37	36	35	34	35	34	33	34	36	38	41
Surface Wind (mph)	5	7	8	9	9	10	10	10	10	11	11	11	11	10	10	9	9	8	7	7	6	6	6	6
Wind Dir	S	S	S	S	S	S	S	S	S	S	S	S	S	SW	SW	SW	SW	SW	SW	S	S	S	SW	SW
Gust							18	20	20	21	22	22	22	21	20	18
Sky Cover (%)	18	25	32	34	37	39	41	42	44	49	55	60	62	63	65	68	70	73	77	80	84	84	85	85
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	5	5	5	5	5	5	30	30	30	30
Relative Humidity (%)	55	49	47	46	48	48	49	51	53	53	53	53	55	55	57	59	64	64	67	73	73	70	67	65
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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