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Point Forecast: Fairfax VA  38.85N 77.29W (Elev. 400 ft)	Last Update: 2:23 pm EDT Sep 21, 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: 3pm Sat, Sep 21 20194pm Sat, Sep 21 20195pm Sat, Sep 21 20196pm Sat, Sep 21 20197pm Sat, Sep 21 20198pm Sat, Sep 21 20199pm Sat, Sep 21 201910pm Sat, Sep 21 201911pm Sat, Sep 21 201912am Sun, Sep 22 20191am Sun, Sep 22 20192am Sun, Sep 22 20193am Sun, Sep 22 20194am Sun, Sep 22 20195am Sun, Sep 22 20196am Sun, Sep 22 20197am Sun, Sep 22 20198am Sun, Sep 22 20199am Sun, Sep 22 201910am Sun, Sep 22 201911am Sun, Sep 22 201912pm Sun, Sep 22 20191pm Sun, Sep 22 20192pm Sun, Sep 22 20193pm Sun, Sep 22 20194pm Sun, Sep 22 20195pm Sun, Sep 22 20196pm Sun, Sep 22 20197pm Sun, Sep 22 20198pm Sun, Sep 22 20199pm Sun, Sep 22 201910pm Sun, Sep 22 201911pm Sun, Sep 22 201912am Mon, Sep 23 20191am Mon, Sep 23 20192am Mon, Sep 23 20193am Mon, Sep 23 20194am Mon, Sep 23 20195am Mon, Sep 23 20196am Mon, Sep 23 20197am Mon, Sep 23 20198am Mon, Sep 23 20199am Mon, Sep 23 201910am Mon, Sep 23 201911am Mon, Sep 23 201912pm Mon, Sep 23 20191pm Mon, Sep 23 20192pm Mon, Sep 23 20193pm Mon, Sep 23 20194pm Mon, Sep 23 20195pm Mon, Sep 23 20196pm Mon, Sep 23 20197pm Mon, Sep 23 20198pm Mon, Sep 23 20199pm Mon, Sep 23 201910pm Mon, Sep 23 201911pm Mon, Sep 23 201912am Tue, Sep 24 20191am Tue, Sep 24 20192am Tue, Sep 24 20193am Tue, Sep 24 20194am Tue, Sep 24 20195am Tue, Sep 24 20196am Tue, Sep 24 20197am Tue, Sep 24 20198am Tue, Sep 24 20199am Tue, Sep 24 201910am Tue, Sep 24 201911am Tue, Sep 24 201912pm Tue, Sep 24 20191pm Tue, Sep 24 20192pm Tue, Sep 24 20193pm Tue, Sep 24 20194pm Tue, Sep 24 20195pm Tue, Sep 24 20196pm Tue, Sep 24 20197pm Tue, Sep 24 20198pm Tue, Sep 24 20199pm Tue, Sep 24 201910pm Tue, Sep 24 201911pm Tue, Sep 24 201912am Wed, Sep 25 20191am Wed, Sep 25 20192am Wed, Sep 25 20193am Wed, Sep 25 20194am Wed, Sep 25 20195am Wed, Sep 25 20196am Wed, Sep 25 20197am Wed, Sep 25 20198am Wed, Sep 25 20199am Wed, Sep 25 201910am Wed, Sep 25 201911am Wed, Sep 25 201912pm Wed, Sep 25 20191pm Wed, Sep 25 20192pm Wed, Sep 25 20193pm Wed, Sep 25 20194pm Wed, Sep 25 20195pm Wed, Sep 25 20196pm Wed, Sep 25 20197pm Wed, Sep 25 20198pm Wed, Sep 25 20199pm Wed, Sep 25 201910pm Wed, Sep 25 201911pm Wed, Sep 25 201912am Thu, Sep 26 20191am Thu, Sep 26 20192am Thu, Sep 26 2019

Date	09/21									09/22
Hour (EDT)	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14
Temperature (°F)	84	84	84	81	78	76	75	73	72	71	71	70	69	69	69	68	69	70	74	78	81	83	85	86
Dewpoint (°F)	60	61	61	62	62	63	63	64	64	64	63	63	63	64	64	64	64	64	65	66	67	67	66	65
Heat Index (°F)	84	84	84	82	78	76	75													78	83	86	87	88
Surface Wind (mph)	2	3	2	2	2	5	5	3	3	3	3	3	3	3	3	3	2	2	2	2	3	5	5	6
Wind Dir	SE	S	SE	S	S	S	S	S	S	S	S	S	S	SW	SW	SW	SW	SW	SW	S	S	S	S	S
Gust
Sky Cover (%)	30	30	30	30	30	30	34	41	44	39	30	25	25	25	25	26	27	28	28	29	29	31	34	36
Precipitation Potential (%)	4	5	5	5	5	4	4	4	3	3	3	1	1	1	1	1	1	1	1	1	1	1	1	2
Relative Humidity (%)	44	46	46	53	58	64	66	73	76	79	76	78	81	84	84	87	84	81	74	67	63	59	53	50
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date										09/23
Hour (EDT)	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14
Temperature (°F)	87	87	86	84	82	79	78	76	75	74	74	73	72	72	71	71	71	73	76	79	82	84	85	86
Dewpoint (°F)	65	65	65	65	66	66	67	67	67	66	65	64	64	65	65	64	64	63	64	65	65	64	62	61
Heat Index (°F)	89	89	88	86	84	79	78	76	75										76	79	84	85	86	86
Surface Wind (mph)	7	8	8	8	7	7	7	8	8	8	8	8	8	7	7	7	6	6	6	7	7	7	8	8
Wind Dir	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	SW	SW	SW	SW	SW	SW	SW	SW	SW
Gust
Sky Cover (%)	37	38	39	37	33	31	31	32	32	29	22	19	20	21	21	22	24	25	25	24	23	27	35	39
Precipitation Potential (%)	2	2	2	2	2	2	2	2	2	2	2	1	1	1	1	1	1	5	5	5	9	9	9	14
Relative Humidity (%)	48	48	50	53	58	64	69	74	76	76	74	73	76	79	81	79	79	71	66	62	56	51	46	43
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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