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Point Forecast: Fairfax VA  38.85N 77.29W (Elev. 400 ft)	Last Update: 10:30 pm EDT Sep 22, 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: 11pm 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 20193am Thu, Sep 26 20194am Thu, Sep 26 20195am Thu, Sep 26 20196am Thu, Sep 26 20197am Thu, Sep 26 20198am Thu, Sep 26 20199am Thu, Sep 26 201910am Thu, Sep 26 201911am Thu, Sep 26 201912pm Thu, Sep 26 20191pm Thu, Sep 26 20192pm Thu, Sep 26 20193pm Thu, Sep 26 20194pm Thu, Sep 26 20195pm Thu, Sep 26 20196pm Thu, Sep 26 20197pm Thu, Sep 26 20198pm Thu, Sep 26 20199pm Thu, Sep 26 201910pm Thu, Sep 26 201911pm Thu, Sep 26 201912am Fri, Sep 27 20191am Fri, Sep 27 20192am Fri, Sep 27 20193am Fri, Sep 27 20194am Fri, Sep 27 20195am Fri, Sep 27 20196am Fri, Sep 27 20197am Fri, Sep 27 20198am Fri, Sep 27 20199am Fri, Sep 27 201910am Fri, Sep 27 2019

Date	09/22	09/23
Hour (EDT)	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)	77	76	75	74	74	73	72	72	72	74	77	80	83	85	86	87	88	87	87	84	81	78	75	74
Dewpoint (°F)	68	67	66	65	65	65	65	65	65	65	65	65	65	64	62	61	61	61	62	63	64	65	65	65
Heat Index (°F)	77	76	75								77	82	85	86	86	87	88	87	87	85	83	78	75
Surface Wind (mph)	7	8	8	8	8	7	7	7	7	7	8	9	9	10	10	11	11	11	10	10	10	10	9	9
Wind Dir	S	S	S	S	S	S	S	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	W	W	W	W	NW
Gust
Sky Cover (%)	29	25	22	20	16	19	19	15	23	22	20	15	12	16	23	26	35	53	62	64	67	68	66	63
Precipitation Potential (%)	2	2	2	2	2	2	2	2	2	2	2	2	8	8	8	14	14	14	23	23	23	21	21	21
Relative Humidity (%)	74	74	74	74	74	76	79	79	79	74	67	60	55	50	45	42	40	42	43	49	56	64	71	74
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date		09/24
Hour (EDT)	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)	72	71	70	70	69	68	66	67	66	67	69	71	74	75	76	77	77	77	76	74	71	68	66	65
Dewpoint (°F)	65	65	64	63	62	61	60	59	59	58	57	56	55	54	53	52	52	52	52	52	53	53	53	54
Heat Index (°F)														75	76	77	77	77	76
Surface Wind (mph)	8	8	7	7	7	8	8	8	7	7	8	10	11	11	11	10	10	10	10	9	8	7	7	6
Wind Dir	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW
Gust
Sky Cover (%)	61	58	53	50	41	23	14	16	19	20	19	16	14	14	15	15	16	18	19	16	10	7	8	9
Precipitation Potential (%)	21	11	11	11	11	5	5	5	5	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2
Relative Humidity (%)	79	81	81	78	78	78	81	75	78	73	66	59	51	48	45	42	42	42	43	46	53	59	63	68
Rain	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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