Point Forecast: Rockville MD  39.08N 77.16W (Elev. 430 ft)	Last Update: 7:31 pm EDT Jul 3, 2025

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Weather Elements Fire Weather Aviation 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 Trans. Wind  ktmphkm/hm/s Vent Rate (x1000 mph-ft) Atmospheric Dispersion Index Low Visibility Occurrence Risk Index Ceiling Height Visibility

48-Hour Period Starting: 9pm Thu, Jul 3 202510pm Thu, Jul 3 202511pm Thu, Jul 3 202512am Fri, Jul 4 20251am Fri, Jul 4 20252am Fri, Jul 4 20253am Fri, Jul 4 20254am Fri, Jul 4 20255am Fri, Jul 4 20256am Fri, Jul 4 20257am Fri, Jul 4 20258am Fri, Jul 4 20259am Fri, Jul 4 202510am Fri, Jul 4 202511am Fri, Jul 4 202512pm Fri, Jul 4 20251pm Fri, Jul 4 20252pm Fri, Jul 4 20253pm Fri, Jul 4 20254pm Fri, Jul 4 20255pm Fri, Jul 4 20256pm Fri, Jul 4 20257pm Fri, Jul 4 20258pm Fri, Jul 4 20259pm Fri, Jul 4 202510pm Fri, Jul 4 202511pm Fri, Jul 4 202512am Sat, Jul 5 20251am Sat, Jul 5 20252am Sat, Jul 5 20253am Sat, Jul 5 20254am Sat, Jul 5 20255am Sat, Jul 5 20256am Sat, Jul 5 20257am Sat, Jul 5 20258am Sat, Jul 5 20259am Sat, Jul 5 202510am Sat, Jul 5 202511am Sat, Jul 5 202512pm Sat, Jul 5 20251pm Sat, Jul 5 20252pm Sat, Jul 5 20253pm Sat, Jul 5 20254pm Sat, Jul 5 20255pm Sat, Jul 5 20256pm Sat, Jul 5 20257pm Sat, Jul 5 20258pm Sat, Jul 5 20259pm Sat, Jul 5 202510pm Sat, Jul 5 202511pm Sat, Jul 5 202512am Sun, Jul 6 20251am Sun, Jul 6 20252am Sun, Jul 6 20253am Sun, Jul 6 20254am Sun, Jul 6 20255am Sun, Jul 6 20256am Sun, Jul 6 20257am Sun, Jul 6 20258am Sun, Jul 6 20259am Sun, Jul 6 202510am Sun, Jul 6 202511am Sun, Jul 6 202512pm Sun, Jul 6 20251pm Sun, Jul 6 20252pm Sun, Jul 6 20253pm Sun, Jul 6 20254pm Sun, Jul 6 20255pm Sun, Jul 6 20256pm Sun, Jul 6 20257pm Sun, Jul 6 20258pm Sun, Jul 6 20259pm Sun, Jul 6 202510pm Sun, Jul 6 202511pm Sun, Jul 6 202512am Mon, Jul 7 20251am Mon, Jul 7 20252am Mon, Jul 7 20253am Mon, Jul 7 20254am Mon, Jul 7 20255am Mon, Jul 7 20256am Mon, Jul 7 20257am Mon, Jul 7 20258am Mon, Jul 7 20259am Mon, Jul 7 202510am Mon, Jul 7 202511am Mon, Jul 7 202512pm Mon, Jul 7 20251pm Mon, Jul 7 20252pm Mon, Jul 7 20253pm Mon, Jul 7 20254pm Mon, Jul 7 20255pm Mon, Jul 7 20256pm Mon, Jul 7 20257pm Mon, Jul 7 20258pm Mon, Jul 7 20259pm Mon, Jul 7 202510pm Mon, Jul 7 202511pm Mon, Jul 7 202512am Tue, Jul 8 20251am Tue, Jul 8 20252am Tue, Jul 8 20253am Tue, Jul 8 20254am Tue, Jul 8 20255am Tue, Jul 8 20256am Tue, Jul 8 20257am Tue, Jul 8 20258am Tue, Jul 8 2025

Date	07/03			07/04
Hour (EDT)	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20
Temperature (°F)	79	77	75	74	72	71	70	68	67	66	67	71	75	78	81	82	83	84	84	84	85	84	83	80
Dewpoint (°F)	67	66	66	65	65	64	64	63	62	61	62	63	63	62	61	61	60	60	60	60	61	61	61	63
Heat Index (°F)	79	77	75										75	78	82	83	83	84	84	84	85	84	83	81
Surface Wind (mph)	5	5	5	5	5	5	5	5	5	3	3	3	3	5	6	6	6	6	5	5	5	3	3	2
Wind Dir	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	N	N	N	N	N	N	NW	NW	NW	N	N	NE
Gust
Sky Cover (%)	10	9	5	3	10	8	4	5	9	8	7	4	1	1	10	4	11	6	11	5	6	8	2	10
Precipitation Potential (%)	2	1	1	2	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	67	69	74	74	79	79	81	84	84	84	84	76	66	58	51	49	46	44	44	44	45	46	47	56
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date				07/05
Hour (EDT)	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20
Temperature (°F)	77	75	73	71	69	68	67	67	67	68	69	71	74	79	82	84	85	86	87	87	86	85	83	81
Dewpoint (°F)	62	62	62	62	61	61	61	61	61	62	62	63	63	64	64	64	64	64	64	64	64	64	64	64
Heat Index (°F)	77	75												79	83	85	86	87	88	88	87	86	84	83
Surface Wind (mph)	2	2	2	2	1	1	1	1	1	1	1	1	2	2	3	3	5	5	5	5	5	5	6	6
Wind Dir	NE	E	E	E	E	E	E	NE	NE	E	E	E	SE	S	S	S	S	S	S	S	S	S	SE	SE
Gust
Sky Cover (%)	4	5	6	8	9	11	11	11	11	11	11	11	11	12	12	13	13	14	24	35	45	36	28	19
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	0
Relative Humidity (%)	60	64	68	73	76	78	81	81	81	81	78	76	69	60	55	51	50	48	46	46	48	50	53	56
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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