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Point Forecast: Cabin John Brookmont MD  38.95N 77.16W (Elev. 249 ft)	Last Update: 1:31 pm EDT Sep 18, 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: 2pm Wed, Sep 18 20193pm Wed, Sep 18 20194pm Wed, Sep 18 20195pm Wed, Sep 18 20196pm Wed, Sep 18 20197pm Wed, Sep 18 20198pm Wed, Sep 18 20199pm Wed, Sep 18 201910pm Wed, Sep 18 201911pm Wed, Sep 18 201912am Thu, Sep 19 20191am Thu, Sep 19 20192am Thu, Sep 19 20193am Thu, Sep 19 20194am Thu, Sep 19 20195am Thu, Sep 19 20196am Thu, Sep 19 20197am Thu, Sep 19 20198am Thu, Sep 19 20199am Thu, Sep 19 201910am Thu, Sep 19 201911am Thu, Sep 19 201912pm Thu, Sep 19 20191pm Thu, Sep 19 20192pm Thu, Sep 19 20193pm Thu, Sep 19 20194pm Thu, Sep 19 20195pm Thu, Sep 19 20196pm Thu, Sep 19 20197pm Thu, Sep 19 20198pm Thu, Sep 19 20199pm Thu, Sep 19 201910pm Thu, Sep 19 201911pm Thu, Sep 19 201912am Fri, Sep 20 20191am Fri, Sep 20 20192am Fri, Sep 20 20193am Fri, Sep 20 20194am Fri, Sep 20 20195am Fri, Sep 20 20196am Fri, Sep 20 20197am Fri, Sep 20 20198am Fri, Sep 20 20199am Fri, Sep 20 201910am Fri, Sep 20 201911am Fri, Sep 20 201912pm Fri, Sep 20 20191pm Fri, Sep 20 20192pm Fri, Sep 20 20193pm Fri, Sep 20 20194pm Fri, Sep 20 20195pm Fri, Sep 20 20196pm Fri, Sep 20 20197pm Fri, Sep 20 20198pm Fri, Sep 20 20199pm Fri, Sep 20 201910pm Fri, Sep 20 201911pm Fri, Sep 20 201912am Sat, Sep 21 20191am Sat, Sep 21 20192am Sat, Sep 21 20193am Sat, Sep 21 20194am Sat, Sep 21 20195am Sat, Sep 21 20196am Sat, Sep 21 20197am Sat, Sep 21 20198am Sat, Sep 21 20199am Sat, Sep 21 201910am Sat, Sep 21 201911am Sat, Sep 21 201912pm Sat, Sep 21 20191pm Sat, Sep 21 20192pm Sat, Sep 21 20193pm 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 2019

Date	09/18										09/19
Hour (EDT)	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13
Temperature (°F)	76	77	78	78	76	73	70	67	64	62	61	60	59	59	58	58	57	56	57	59	63	67	70	72
Dewpoint (°F)	52	52	52	52	53	53	53	53	53	53	53	53	53	52	51	51	51	50	50	49	48	47	45	43
Heat Index (°F)	76	77	78	78	76
Surface Wind (mph)	8	8	8	8	8	8	8	7	7	6	6	5	5	5	5	5	5	5	5	6	6	7	7	6
Wind Dir	NE	NE	NE	NE	NE	E	E	E	E	E	E	E	E	NE	NE	NE	NE	NE	NE	NE	NE	E	E	E
Gust
Sky Cover (%)	41	35	34	36	38	32	21	21	20	19	17	15	13	11	10	8	7	8	8	7	4	3	3	2
Precipitation Potential (%)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
Relative Humidity (%)	43	42	40	40	45	49	55	61	67	72	75	78	80	78	77	77	80	80	77	69	58	49	41	35
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date											09/20
Hour (EDT)	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13
Temperature (°F)	73	74	75	75	73	70	68	65	63	61	59	58	57	56	56	55	54	54	56	60	65	69	73	76
Dewpoint (°F)	42	41	40	41	43	46	48	49	50	50	50	50	50	50	49	49	49	50	51	52	52	52	51	50
Heat Index (°F)			75	75																				76
Surface Wind (mph)	6	6	6	6	6	5	5	5	3	3	2	1	1	1	2	2	2	1	1	2	3	5	5	3
Wind Dir	E	E	E	E	E	SE	SE	SE	SE	SE	S	S	SW	SW	SW	W	W	W	W	W	W	W	W	W
Gust
Sky Cover (%)	1	1	1	1	1	2	2	2	1	1	2	3	4	4	3	2	3	4	4	4	3	2	3	6
Precipitation Potential (%)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	0	0	0	0	0	0
Relative Humidity (%)	33	30	28	29	34	42	49	56	62	67	72	75	77	80	77	80	83	86	83	75	63	55	46	40
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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