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Point Forecast: Fairfax VA  38.85N 77.29W (Elev. 400 ft)	Last Update: 10:29 pm EST Dec 14, 2019

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Weather Elements Weather/Precipitation Fire 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)

48-Hour Period Starting: 11pm Sat, Dec 14 201912am Sun, Dec 15 20191am Sun, Dec 15 20192am Sun, Dec 15 20193am Sun, Dec 15 20194am Sun, Dec 15 20195am Sun, Dec 15 20196am Sun, Dec 15 20197am Sun, Dec 15 20198am Sun, Dec 15 20199am Sun, Dec 15 201910am Sun, Dec 15 201911am Sun, Dec 15 201912pm Sun, Dec 15 20191pm Sun, Dec 15 20192pm Sun, Dec 15 20193pm Sun, Dec 15 20194pm Sun, Dec 15 20195pm Sun, Dec 15 20196pm Sun, Dec 15 20197pm Sun, Dec 15 20198pm Sun, Dec 15 20199pm Sun, Dec 15 201910pm Sun, Dec 15 201911pm Sun, Dec 15 201912am Mon, Dec 16 20191am Mon, Dec 16 20192am Mon, Dec 16 20193am Mon, Dec 16 20194am Mon, Dec 16 20195am Mon, Dec 16 20196am Mon, Dec 16 20197am Mon, Dec 16 20198am Mon, Dec 16 20199am Mon, Dec 16 201910am Mon, Dec 16 201911am Mon, Dec 16 201912pm Mon, Dec 16 20191pm Mon, Dec 16 20192pm Mon, Dec 16 20193pm Mon, Dec 16 20194pm Mon, Dec 16 20195pm Mon, Dec 16 20196pm Mon, Dec 16 20197pm Mon, Dec 16 20198pm Mon, Dec 16 20199pm Mon, Dec 16 201910pm Mon, Dec 16 201911pm Mon, Dec 16 201912am Tue, Dec 17 20191am Tue, Dec 17 20192am Tue, Dec 17 20193am Tue, Dec 17 20194am Tue, Dec 17 20195am Tue, Dec 17 20196am Tue, Dec 17 20197am Tue, Dec 17 20198am Tue, Dec 17 20199am Tue, Dec 17 201910am Tue, Dec 17 201911am Tue, Dec 17 201912pm Tue, Dec 17 20191pm Tue, Dec 17 20192pm Tue, Dec 17 20193pm Tue, Dec 17 20194pm Tue, Dec 17 20195pm Tue, Dec 17 20196pm Tue, Dec 17 20197pm Tue, Dec 17 20198pm Tue, Dec 17 20199pm Tue, Dec 17 201910pm Tue, Dec 17 201911pm Tue, Dec 17 201912am Wed, Dec 18 20191am Wed, Dec 18 20192am Wed, Dec 18 20193am Wed, Dec 18 20194am Wed, Dec 18 20195am Wed, Dec 18 20196am Wed, Dec 18 20197am Wed, Dec 18 20198am Wed, Dec 18 20199am Wed, Dec 18 201910am Wed, Dec 18 201911am Wed, Dec 18 201912pm Wed, Dec 18 20191pm Wed, Dec 18 20192pm Wed, Dec 18 20193pm Wed, Dec 18 20194pm Wed, Dec 18 20195pm Wed, Dec 18 20196pm Wed, Dec 18 20197pm Wed, Dec 18 20198pm Wed, Dec 18 20199pm Wed, Dec 18 201910pm Wed, Dec 18 201911pm Wed, Dec 18 201912am Thu, Dec 19 20191am Thu, Dec 19 20192am Thu, Dec 19 20193am Thu, Dec 19 20194am Thu, Dec 19 20195am Thu, Dec 19 20196am Thu, Dec 19 20197am Thu, Dec 19 20198am Thu, Dec 19 20199am Thu, Dec 19 201910am Thu, Dec 19 2019

Date	12/14	12/15
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)	44	42	40	39	39	38	38	37	37	39	41	44	45	46	47	47	47	46	44	42	41	41	40	39
Dewpoint (°F)	31	32	32	32	32	32	32	32	32	33	33	33	33	32	31	30	30	29	28	28	27	26	26	26
Wind Chill (°F)	37	35	33	33	33	32	31	31	31	33	35	38	40	40	41	42	42	41	39	37	36	36	35	35
Surface Wind (mph)	13	11	10	10	9	9	9	8	9	9	10	10	11	13	13	11	10	9	9	8	8	7	7	6
Wind Dir	W	W	W	W	W	W	W	W	SW	W	W	W	W	W	W	W	W	NW	NW	NW	NW	NW	N	N
Gust	20	18											20	21	22	20
Sky Cover (%)	53	51	49	49	49	49	46	43	40	39	37	36	34	32	30	22	15	7	10	13	15	35	56	76
Precipitation Potential (%)	4	4	0	0	0	0	0	0	4	4	4	0	0	0	0	0	0	0	0	0	2	2	2	10
Relative Humidity (%)	61	67	74	75	76	77	80	82	81	79	72	66	61	55	51	49	49	49	53	55	57	57	57	59
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date		12/16
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)	39	38	38	38	37	37	37	37	35	35	36	37	38	38	38	39	39	39	39	39	39	39	39	39
Dewpoint (°F)	26	26	27	28	28	29	29	30	30	31	31	32	33	33	34	35	36	37	37	38	38	38	39	39
Wind Chill (°F)	36	36	36	36	31	30	30	30	30	30	29	29	30	32	32	32	33	33	33	33	36	36	35	35
Surface Wind (mph)	5	3	3	3	5	5	5	5	5	5	6	6	6	5	5	5	5	5	5	5	5	5	6	6
Wind Dir	N	N	N	NE	NE	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	SE
Gust
Sky Cover (%)	84	92	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100
Precipitation Potential (%)	10	10	39	39	39	50	50	50	65	65	65	65	65	65	77	77	77	77	77	77	61	61	61	61
Relative Humidity (%)	59	62	64	67	75	82	82	85	85	89	89	92	92	89	92	96	96	100	100	100	96	100	100	100
Rain	--	--	--	--	--	--	--	--	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Lkly	Lkly	Lkly	Lkly
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Lkly	Lkly	Lkly	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	Chc	Chc	Chc	Chc	Chc	Chc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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