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Point Forecast: Reston VA  38.95N 77.36W (Elev. 446 ft)	Last Update: 4:33 pm EDT Jun 21, 2021

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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) Atmospheric Dispersion Index Low Visibility Occurrence Risk Index

48-Hour Period Starting: 7pm Mon, Jun 21 20218pm Mon, Jun 21 20219pm Mon, Jun 21 202110pm Mon, Jun 21 202111pm Mon, Jun 21 202112am Tue, Jun 22 20211am Tue, Jun 22 20212am Tue, Jun 22 20213am Tue, Jun 22 20214am Tue, Jun 22 20215am Tue, Jun 22 20216am Tue, Jun 22 20217am Tue, Jun 22 20218am Tue, Jun 22 20219am Tue, Jun 22 202110am Tue, Jun 22 202111am Tue, Jun 22 202112pm Tue, Jun 22 20211pm Tue, Jun 22 20212pm Tue, Jun 22 20213pm Tue, Jun 22 20214pm Tue, Jun 22 20215pm Tue, Jun 22 20216pm Tue, Jun 22 20217pm Tue, Jun 22 20218pm Tue, Jun 22 20219pm Tue, Jun 22 202110pm Tue, Jun 22 202111pm Tue, Jun 22 202112am Wed, Jun 23 20211am Wed, Jun 23 20212am Wed, Jun 23 20213am Wed, Jun 23 20214am Wed, Jun 23 20215am Wed, Jun 23 20216am Wed, Jun 23 20217am Wed, Jun 23 20218am Wed, Jun 23 20219am Wed, Jun 23 202110am Wed, Jun 23 202111am Wed, Jun 23 202112pm Wed, Jun 23 20211pm Wed, Jun 23 20212pm Wed, Jun 23 20213pm Wed, Jun 23 20214pm Wed, Jun 23 20215pm Wed, Jun 23 20216pm Wed, Jun 23 20217pm Wed, Jun 23 20218pm Wed, Jun 23 20219pm Wed, Jun 23 202110pm Wed, Jun 23 202111pm Wed, Jun 23 202112am Thu, Jun 24 20211am Thu, Jun 24 20212am Thu, Jun 24 20213am Thu, Jun 24 20214am Thu, Jun 24 20215am Thu, Jun 24 20216am Thu, Jun 24 20217am Thu, Jun 24 20218am Thu, Jun 24 20219am Thu, Jun 24 202110am Thu, Jun 24 202111am Thu, Jun 24 202112pm Thu, Jun 24 20211pm Thu, Jun 24 20212pm Thu, Jun 24 20213pm Thu, Jun 24 20214pm Thu, Jun 24 20215pm Thu, Jun 24 20216pm Thu, Jun 24 20217pm Thu, Jun 24 20218pm Thu, Jun 24 20219pm Thu, Jun 24 202110pm Thu, Jun 24 202111pm Thu, Jun 24 202112am Fri, Jun 25 20211am Fri, Jun 25 20212am Fri, Jun 25 20213am Fri, Jun 25 20214am Fri, Jun 25 20215am Fri, Jun 25 20216am Fri, Jun 25 20217am Fri, Jun 25 20218am Fri, Jun 25 20219am Fri, Jun 25 202110am Fri, Jun 25 202111am Fri, Jun 25 202112pm Fri, Jun 25 20211pm Fri, Jun 25 20212pm Fri, Jun 25 20213pm Fri, Jun 25 20214pm Fri, Jun 25 20215pm Fri, Jun 25 20216pm Fri, Jun 25 20217pm Fri, Jun 25 20218pm Fri, Jun 25 20219pm Fri, Jun 25 202110pm Fri, Jun 25 202111pm Fri, Jun 25 202112am Sat, Jun 26 20211am Sat, Jun 26 20212am Sat, Jun 26 20213am Sat, Jun 26 20214am Sat, Jun 26 20215am Sat, Jun 26 20216am Sat, Jun 26 2021

Date	06/21					06/22
Hour (EDT)	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18
Temperature (°F)	86	84	82	80	78	77	76	75	73	71	70	70	69	69	68	66	65	64	64	65	68	71	72	71
Dewpoint (°F)	70	70	70	71	70	70	70	69	68	68	67	65	64	63	62	63	62	61	61	60	59	58	57	56
Heat Index (°F)	91	88	86	83	78	77	76	75
Surface Wind (mph)	8	7	6	6	6	6	6	6	6	6	6	6	7	8	9	8	8	9	8	8	8	9	8	8
Wind Dir	SW	SW	SW	W	W	W	W	NW	NW	NW	NW	NW	NW	N	N	N	N	N	N	N	N	NW	N	NW
Gust
Sky Cover (%)	72	79	72	45	73	56	65	62	52	63	64	66	77	90	91	96	96	95	94	94	91	81	67	67
Precipitation Potential (%)	56	56	56	35	35	35	35	13	13	13	17	17	17	87	87	87	87	87	87	36	36	36	12	12
Relative Humidity (%)	59	63	67	74	76	79	82	82	84	90	90	84	84	81	81	90	90	90	90	84	73	63	59	59
Rain	Lkly	Lkly	Lkly	Chc	Chc	Chc	Chc	SChc	SChc	SChc	SChc	SChc	SChc	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Chc	Chc	Chc	--	--
Thunder	Lkly	Lkly	Lkly	Chc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date						06/23
Hour (EDT)	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18
Temperature (°F)	69	67	65	63	62	61	60	59	58	57	56	56	57	59	62	65	68	70	72	73	74	74	74	74
Dewpoint (°F)	56	55	54	54	53	52	51	50	49	48	48	48	48	48	48	47	47	47	47	47	47	47	48	49
Heat Index (°F)
Surface Wind (mph)	7	6	6	6	7	7	6	6	6	6	6	6	6	6	6	5	5	5	3	3	3	3	3	3
Wind Dir	NW	N	NW	NW	NW	NW	NW	NW	NW	N	N	N	N	N	N	N	N	N	N	N	N	NE	NE	NE
Gust
Sky Cover (%)	63	59	55	48	44	42	37	34	29	18	13	12	9	8	7	4	3	5	9	11	9	5	3	4
Precipitation Potential (%)	12	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10
Relative Humidity (%)	63	65	68	72	72	72	72	72	72	72	74	74	72	67	60	52	47	44	41	40	38	38	40	41
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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