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Point Forecast: Ashburn VA  39.05N 77.49W (Elev. 299 ft)	Last Update: 4:30 am EDT Jun 27, 2019

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Weather Elements Weather/Precipitation Fire 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)

48-Hour Period Starting: 6am Thu, Jun 27 20197am Thu, Jun 27 20198am Thu, Jun 27 20199am Thu, Jun 27 201910am Thu, Jun 27 201911am Thu, Jun 27 201912pm Thu, Jun 27 20191pm Thu, Jun 27 20192pm Thu, Jun 27 20193pm Thu, Jun 27 20194pm Thu, Jun 27 20195pm Thu, Jun 27 20196pm Thu, Jun 27 20197pm Thu, Jun 27 20198pm Thu, Jun 27 20199pm Thu, Jun 27 201910pm Thu, Jun 27 201911pm Thu, Jun 27 201912am Fri, Jun 28 20191am Fri, Jun 28 20192am Fri, Jun 28 20193am Fri, Jun 28 20194am Fri, Jun 28 20195am Fri, Jun 28 20196am Fri, Jun 28 20197am Fri, Jun 28 20198am Fri, Jun 28 20199am Fri, Jun 28 201910am Fri, Jun 28 201911am Fri, Jun 28 201912pm Fri, Jun 28 20191pm Fri, Jun 28 20192pm Fri, Jun 28 20193pm Fri, Jun 28 20194pm Fri, Jun 28 20195pm Fri, Jun 28 20196pm Fri, Jun 28 20197pm Fri, Jun 28 20198pm Fri, Jun 28 20199pm Fri, Jun 28 201910pm Fri, Jun 28 201911pm Fri, Jun 28 201912am Sat, Jun 29 20191am Sat, Jun 29 20192am Sat, Jun 29 20193am Sat, Jun 29 20194am Sat, Jun 29 20195am Sat, Jun 29 20196am Sat, Jun 29 20197am Sat, Jun 29 20198am Sat, Jun 29 20199am Sat, Jun 29 201910am Sat, Jun 29 201911am Sat, Jun 29 201912pm Sat, Jun 29 20191pm Sat, Jun 29 20192pm Sat, Jun 29 20193pm Sat, Jun 29 20194pm Sat, Jun 29 20195pm Sat, Jun 29 20196pm Sat, Jun 29 20197pm Sat, Jun 29 20198pm Sat, Jun 29 20199pm Sat, Jun 29 201910pm Sat, Jun 29 201911pm Sat, Jun 29 201912am Sun, Jun 30 20191am Sun, Jun 30 20192am Sun, Jun 30 20193am Sun, Jun 30 20194am Sun, Jun 30 20195am Sun, Jun 30 20196am Sun, Jun 30 20197am Sun, Jun 30 20198am Sun, Jun 30 20199am Sun, Jun 30 201910am Sun, Jun 30 201911am Sun, Jun 30 201912pm Sun, Jun 30 20191pm Sun, Jun 30 20192pm Sun, Jun 30 20193pm Sun, Jun 30 20194pm Sun, Jun 30 20195pm Sun, Jun 30 20196pm Sun, Jun 30 20197pm Sun, Jun 30 20198pm Sun, Jun 30 20199pm Sun, Jun 30 201910pm Sun, Jun 30 201911pm Sun, Jun 30 201912am Mon, Jul 1 20191am Mon, Jul 1 20192am Mon, Jul 1 20193am Mon, Jul 1 20194am Mon, Jul 1 20195am Mon, Jul 1 20196am Mon, Jul 1 20197am Mon, Jul 1 20198am Mon, Jul 1 20199am Mon, Jul 1 201910am Mon, Jul 1 201911am Mon, Jul 1 201912pm Mon, Jul 1 20191pm Mon, Jul 1 20192pm Mon, Jul 1 20193pm Mon, Jul 1 20194pm Mon, Jul 1 20195pm Mon, Jul 1 2019

Date	06/27																		06/28
Hour (EDT)	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05
Temperature (°F)	70	70	72	77	83	87	90	91	92	92	92	92	90	88	86	82	79	76	74	73	72	71	70	69
Dewpoint (°F)	66	66	67	67	67	67	66	65	64	63	63	63	64	65	67	67	68	68	68	67	67	66	66	66
Heat Index (°F)				77	86	90	93	93	94	93	93	93	91	90	89	85	79	76
Surface Wind (mph)	3	3	5	5	3	3	3	5	5	5	5	5	3	3	3	2	1	1	1	2	2	2	2	2
Wind Dir	NW	NW	NW	NW	N	NW	NW	NW	NW	NW	NW	NW	NW	N	N	N	SE	S	SW	W	NW	NW	NW	NW
Gust
Sky Cover (%)	15	19	21	19	15	14	17	23	27	28	31	32	33	35	36	35	32	31	29	26	24	25	26	27
Precipitation Potential (%)	2	2	4	4	4	4	3	3	3	8	8	8	5	5	5	4	4	4	9	9	9	9	8	8
Relative Humidity (%)	87	87	84	71	59	52	45	42	40	38	38	38	42	47	53	61	69	76	82	81	84	84	87	90
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																			06/29
Hour (EDT)	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05
Temperature (°F)	68	68	70	75	81	87	91	92	93	93	92	90	88	86	84	81	79	77	76	74	73	72	72	71
Dewpoint (°F)	66	67	68	68	69	69	68	66	66	65	66	67	68	69	70	70	70	70	69	69	69	68	68	68
Heat Index (°F)				75	84	91	95	95	96	95	95	93	92	90	88	85	79	77	76
Surface Wind (mph)	2	2	2	2	3	3	3	3	3	3	5	5	5	3	3	3	5	5	3	3	2	3	3	5
Wind Dir	NW	NW	NW	NW	NW	NW	W	W	W	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW
Gust
Sky Cover (%)	27	26	26	28	32	34	37	43	46	45	42	41	43	47	50	51	54	55	51	43	39	39	39	39
Precipitation Potential (%)	8	8	2	2	2	2	4	4	4	23	23	23	23	23	16	16	16	11	11	11	5	5	5	5
Relative Humidity (%)	93	97	93	79	67	55	47	43	41	40	43	47	52	57	63	69	74	79	79	84	87	87	87	90
Rain	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--

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