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Point Forecast: Chevy Chase MD  38.98N 77.09W (Elev. 344 ft)	Last Update: 8:49 pm EDT Jun 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: 8pm Tue, Jun 18 20199pm Tue, Jun 18 201910pm Tue, Jun 18 201911pm Tue, Jun 18 201912am Wed, Jun 19 20191am Wed, Jun 19 20192am Wed, Jun 19 20193am Wed, Jun 19 20194am Wed, Jun 19 20195am Wed, Jun 19 20196am Wed, Jun 19 20197am Wed, Jun 19 20198am Wed, Jun 19 20199am Wed, Jun 19 201910am Wed, Jun 19 201911am Wed, Jun 19 201912pm Wed, Jun 19 20191pm Wed, Jun 19 20192pm Wed, Jun 19 20193pm Wed, Jun 19 20194pm Wed, Jun 19 20195pm Wed, Jun 19 20196pm Wed, Jun 19 20197pm Wed, Jun 19 20198pm Wed, Jun 19 20199pm Wed, Jun 19 201910pm Wed, Jun 19 201911pm Wed, Jun 19 201912am Thu, Jun 20 20191am Thu, Jun 20 20192am Thu, Jun 20 20193am Thu, Jun 20 20194am Thu, Jun 20 20195am Thu, Jun 20 20196am Thu, Jun 20 20197am Thu, Jun 20 20198am Thu, Jun 20 20199am Thu, Jun 20 201910am Thu, Jun 20 201911am Thu, Jun 20 201912pm Thu, Jun 20 20191pm Thu, Jun 20 20192pm Thu, Jun 20 20193pm Thu, Jun 20 20194pm Thu, Jun 20 20195pm Thu, Jun 20 20196pm Thu, Jun 20 20197pm Thu, Jun 20 20198pm Thu, Jun 20 20199pm Thu, Jun 20 201910pm Thu, Jun 20 201911pm Thu, Jun 20 201912am Fri, Jun 21 20191am Fri, Jun 21 20192am Fri, Jun 21 20193am Fri, Jun 21 20194am Fri, Jun 21 20195am Fri, Jun 21 20196am Fri, Jun 21 20197am Fri, Jun 21 20198am Fri, Jun 21 20199am Fri, Jun 21 201910am Fri, Jun 21 201911am Fri, Jun 21 201912pm Fri, Jun 21 20191pm Fri, Jun 21 20192pm Fri, Jun 21 20193pm Fri, Jun 21 20194pm Fri, Jun 21 20195pm Fri, Jun 21 20196pm Fri, Jun 21 20197pm Fri, Jun 21 20198pm Fri, Jun 21 20199pm Fri, Jun 21 201910pm Fri, Jun 21 201911pm Fri, Jun 21 201912am Sat, Jun 22 20191am Sat, Jun 22 20192am Sat, Jun 22 20193am Sat, Jun 22 20194am Sat, Jun 22 20195am Sat, Jun 22 20196am Sat, Jun 22 20197am Sat, Jun 22 20198am Sat, Jun 22 20199am Sat, Jun 22 201910am Sat, Jun 22 201911am Sat, Jun 22 201912pm Sat, Jun 22 20191pm Sat, Jun 22 20192pm Sat, Jun 22 20193pm Sat, Jun 22 20194pm Sat, Jun 22 20195pm Sat, Jun 22 20196pm Sat, Jun 22 20197pm Sat, Jun 22 20198pm Sat, Jun 22 20199pm Sat, Jun 22 201910pm Sat, Jun 22 201911pm Sat, Jun 22 201912am Sun, Jun 23 20191am Sun, Jun 23 20192am Sun, Jun 23 20193am Sun, Jun 23 20194am Sun, Jun 23 20195am Sun, Jun 23 20196am Sun, Jun 23 20197am Sun, Jun 23 2019

Date	06/18				06/19
Hour (EDT)	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19
Temperature (°F)	75	77	75	74	73	73	72	71	71	71	72	73	74	76	78	79	80	81	82	82	82	82	81	80
Dewpoint (°F)	69	69	69	69	69	69	69	69	69	69	69	69	69	69	70	70	70	71	71	71	71	71	71	72
Heat Index (°F)	75	77	75											76	78	79	83	85	86	86	86	86	85	84
Surface Wind (mph)	3	3	3	3	3	2	2	2	2	2	3	3	5	5	5	5	5	6	6	6	7	7	7	6
Wind Dir	SW	SW	SW	SW	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S
Gust
Sky Cover (%)	98	98	99	99	97	93	91	92	93	94	94	93	91	91	92	92	92	91	91	91	91	91	91	92
Precipitation Potential (%)	44	44	38	50	50	50	31	31	31	30	30	30	33	39	45	48	48	48	74	74	74	74	74	74
Relative Humidity (%)	82	76	82	84	87	87	90	93	93	93	90	87	84	79	76	74	72	72	69	69	69	69	72	77
Rain	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly
Thunder	Chc	Chc	Chc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly
Date					06/20
Hour (EDT)	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19
Temperature (°F)	79	77	76	75	74	74	73	72	72	72	72	73	75	78	80	82	84	85	86	86	86	85	84	82
Dewpoint (°F)	72	72	71	71	71	70	70	70	70	70	70	70	70	70	71	71	71	71	71	70	70	69	69	70
Heat Index (°F)	79	77	76	75									75	78	83	86	89	90	91	91	91	89	88	86
Surface Wind (mph)	6	6	5	5	3	2	1	1	2	3	3	2	2	5	6	8	8	7	7	8	10	11	10	8
Wind Dir	S	S	S	S	S	S	S	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW
Gust																				18	20	20
Sky Cover (%)	92	90	86	84	80	71	66	68	71	73	70	65	62	63	65	66	69	74	76	78	81	83	82	79
Precipitation Potential (%)	58	58	58	54	47	40	32	25	18	13	13	13	17	23	29	35	41	47	53	59	65	67	67	67
Relative Humidity (%)	79	85	85	87	90	87	90	93	93	93	93	90	84	76	74	69	65	63	61	59	59	59	61	67
Rain	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	SChc	--	--	--	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Lkly	Lkly	Lkly	Lkly	Lkly
Thunder	Chc	Chc	Chc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	Chc	Lkly	Lkly	Lkly	Lkly	Lkly

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