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Point Forecast: 2 Miles S Washington-Dulles International Airport VA  38.93N 77.45W (Elev. 299 ft)	Last Update: 3:30 am EDT Apr 23, 2024

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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 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: 4am Tue, Apr 23 20245am Tue, Apr 23 20246am Tue, Apr 23 20247am Tue, Apr 23 20248am Tue, Apr 23 20249am Tue, Apr 23 202410am Tue, Apr 23 202411am Tue, Apr 23 202412pm Tue, Apr 23 20241pm Tue, Apr 23 20242pm Tue, Apr 23 20243pm Tue, Apr 23 20244pm Tue, Apr 23 20245pm Tue, Apr 23 20246pm Tue, Apr 23 20247pm Tue, Apr 23 20248pm Tue, Apr 23 20249pm Tue, Apr 23 202410pm Tue, Apr 23 202411pm Tue, Apr 23 202412am Wed, Apr 24 20241am Wed, Apr 24 20242am Wed, Apr 24 20243am Wed, Apr 24 20244am Wed, Apr 24 20245am Wed, Apr 24 20246am Wed, Apr 24 20247am Wed, Apr 24 20248am Wed, Apr 24 20249am Wed, Apr 24 202410am Wed, Apr 24 202411am Wed, Apr 24 202412pm Wed, Apr 24 20241pm Wed, Apr 24 20242pm Wed, Apr 24 20243pm Wed, Apr 24 20244pm Wed, Apr 24 20245pm Wed, Apr 24 20246pm Wed, Apr 24 20247pm Wed, Apr 24 20248pm Wed, Apr 24 20249pm Wed, Apr 24 202410pm Wed, Apr 24 202411pm Wed, Apr 24 202412am Thu, Apr 25 20241am Thu, Apr 25 20242am Thu, Apr 25 20243am Thu, Apr 25 20244am Thu, Apr 25 20245am Thu, Apr 25 20246am Thu, Apr 25 20247am Thu, Apr 25 20248am Thu, Apr 25 20249am Thu, Apr 25 202410am Thu, Apr 25 202411am Thu, Apr 25 202412pm Thu, Apr 25 20241pm Thu, Apr 25 20242pm Thu, Apr 25 20243pm Thu, Apr 25 20244pm Thu, Apr 25 20245pm Thu, Apr 25 20246pm Thu, Apr 25 20247pm Thu, Apr 25 20248pm Thu, Apr 25 20249pm Thu, Apr 25 202410pm Thu, Apr 25 202411pm Thu, Apr 25 202412am Fri, Apr 26 20241am Fri, Apr 26 20242am Fri, Apr 26 20243am Fri, Apr 26 20244am Fri, Apr 26 20245am Fri, Apr 26 20246am Fri, Apr 26 20247am Fri, Apr 26 20248am Fri, Apr 26 20249am Fri, Apr 26 202410am Fri, Apr 26 202411am Fri, Apr 26 202412pm Fri, Apr 26 20241pm Fri, Apr 26 20242pm Fri, Apr 26 20243pm Fri, Apr 26 20244pm Fri, Apr 26 20245pm Fri, Apr 26 20246pm Fri, Apr 26 20247pm Fri, Apr 26 20248pm Fri, Apr 26 20249pm Fri, Apr 26 202410pm Fri, Apr 26 202411pm Fri, Apr 26 202412am Sat, Apr 27 20241am Sat, Apr 27 20242am Sat, Apr 27 20243am Sat, Apr 27 20244am Sat, Apr 27 20245am Sat, Apr 27 20246am Sat, Apr 27 20247am Sat, Apr 27 20248am Sat, Apr 27 20249am Sat, Apr 27 202410am Sat, Apr 27 202411am Sat, Apr 27 202412pm Sat, Apr 27 20241pm Sat, Apr 27 20242pm Sat, Apr 27 20243pm Sat, Apr 27 2024

Date	04/23																				04/24
Hour (EDT)	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03
Temperature (°F)	38	35	36	36	41	49	55	60	64	66	68	69	71	71	70	69	66	63	61	59	58	58	56	56
Dewpoint (°F)	33	32	31	30	35	35	36	36	35	35	35	36	36	36	36	37	38	38	39	40	41	42	43	43
Wind Chill (°F)	38	35	36	36	41	49
Surface Wind (mph)	2	2	2	2	0	0	2	6	8	9	10	11	11	13	11	10	10	11	13	14	14	13	13	10
Wind Dir	W	W	W	W	N	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	SW	SW	SW
Gust																		18	20	20	20	18
Sky Cover (%)	6	4	8	13	13	13	13	13	15	18	20	17	15	12	24	35	47	56	64	73	79	85	91	93
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	2	2	2	13	13	13	27	27
Relative Humidity (%)	82	89	82	79	79	58	49	41	34	32	29	30	28	28	29	31	36	39	44	49	53	55	62	62
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																					04/25
Hour (EDT)	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03
Temperature (°F)	55	53	54	54	55	59	62	65	67	68	71	72	71	69	67	65	62	59	56	53	51	49	47	45
Dewpoint (°F)	44	45	45	46	47	47	47	46	45	44	43	42	42	42	42	42	42	42	42	41	40	39	38	36
Wind Chill (°F)																						45	44	41
Surface Wind (mph)	8	7	7	8	9	10	11	14	14	14	15	15	14	14	13	11	11	10	10	10	9	8	7	7
Wind Dir	SW	SW	SW	W	W	W	W	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	N	N	N	N	N	N
Gust								18	20	21	22	22	22	21	18
Sky Cover (%)	95	97	91	84	78	72	65	59	49	39	29	33	36	40	36	31	27	26	24	23	24	26	27	28
Precipitation Potential (%)	27	43	43	43	19	19	19	19	19	19	18	18	18	18	18	18	4	4	4	4	4	4	3	3
Relative Humidity (%)	66	74	71	74	74	64	58	50	45	42	36	34	35	37	40	43	48	53	58	64	67	69	71	72
Rain	Chc	Chc	Chc	Chc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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