Point Forecast: Potomac MD  39.02N 77.2W (Elev. 381 ft)	Last Update: 3:29 pm EST Nov 11, 2025

[hide menu]

Weather Elements Fire Weather Aviation Weather Temperature (°F) Dewpoint (°F) Wind Chill (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Snow Freezing Rain Sleet 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: 5pm Tue, Nov 11 20256pm Tue, Nov 11 20257pm Tue, Nov 11 20258pm Tue, Nov 11 20259pm Tue, Nov 11 202510pm Tue, Nov 11 202511pm Tue, Nov 11 202512am Wed, Nov 12 20251am Wed, Nov 12 20252am Wed, Nov 12 20253am Wed, Nov 12 20254am Wed, Nov 12 20255am Wed, Nov 12 20256am Wed, Nov 12 20257am Wed, Nov 12 20258am Wed, Nov 12 20259am Wed, Nov 12 202510am Wed, Nov 12 202511am Wed, Nov 12 202512pm Wed, Nov 12 20251pm Wed, Nov 12 20252pm Wed, Nov 12 20253pm Wed, Nov 12 20254pm Wed, Nov 12 20255pm Wed, Nov 12 20256pm Wed, Nov 12 20257pm Wed, Nov 12 20258pm Wed, Nov 12 20259pm Wed, Nov 12 202510pm Wed, Nov 12 202511pm Wed, Nov 12 202512am Thu, Nov 13 20251am Thu, Nov 13 20252am Thu, Nov 13 20253am Thu, Nov 13 20254am Thu, Nov 13 20255am Thu, Nov 13 20256am Thu, Nov 13 20257am Thu, Nov 13 20258am Thu, Nov 13 20259am Thu, Nov 13 202510am Thu, Nov 13 202511am Thu, Nov 13 202512pm Thu, Nov 13 20251pm Thu, Nov 13 20252pm Thu, Nov 13 20253pm Thu, Nov 13 20254pm Thu, Nov 13 20255pm Thu, Nov 13 20256pm Thu, Nov 13 20257pm Thu, Nov 13 20258pm Thu, Nov 13 20259pm Thu, Nov 13 202510pm Thu, Nov 13 202511pm Thu, Nov 13 202512am Fri, Nov 14 20251am Fri, Nov 14 20252am Fri, Nov 14 20253am Fri, Nov 14 20254am Fri, Nov 14 20255am Fri, Nov 14 20256am Fri, Nov 14 20257am Fri, Nov 14 20258am Fri, Nov 14 20259am Fri, Nov 14 202510am Fri, Nov 14 202511am Fri, Nov 14 202512pm Fri, Nov 14 20251pm Fri, Nov 14 20252pm Fri, Nov 14 20253pm Fri, Nov 14 20254pm Fri, Nov 14 20255pm Fri, Nov 14 20256pm Fri, Nov 14 20257pm Fri, Nov 14 20258pm Fri, Nov 14 20259pm Fri, Nov 14 202510pm Fri, Nov 14 202511pm Fri, Nov 14 202512am Sat, Nov 15 20251am Sat, Nov 15 20252am Sat, Nov 15 20253am Sat, Nov 15 20254am Sat, Nov 15 20255am Sat, Nov 15 20256am Sat, Nov 15 20257am Sat, Nov 15 20258am Sat, Nov 15 20259am Sat, Nov 15 202510am Sat, Nov 15 202511am Sat, Nov 15 202512pm Sat, Nov 15 20251pm Sat, Nov 15 20252pm Sat, Nov 15 20253pm Sat, Nov 15 20254pm Sat, Nov 15 20255pm Sat, Nov 15 20256pm Sat, Nov 15 20257pm Sat, Nov 15 20258pm Sat, Nov 15 20259pm Sat, Nov 15 202510pm Sat, Nov 15 202511pm Sat, Nov 15 202512am Sun, Nov 16 20251am Sun, Nov 16 20252am Sun, Nov 16 20253am Sun, Nov 16 20254am Sun, Nov 16 2025

Date	11/11							11/12
Hour (EST)	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16
Temperature (°F)	42	40	38	36	34	34	34	34	33	35	36	35	36	35	35	38	42	46	50	53	54	55	56	54
Dewpoint (°F)	17	17	17	17	16	16	16	17	17	17	17	17	18	19	20	22	23	25	27	28	30	32	33	34
Wind Chill (°F)	34	33	33	31	29	30	30	30	29	30	30	28	29	28	27	31	36	41	46
Surface Wind (mph)	15	11	7	6	6	5	5	5	5	6	7	8	9	9	10	11	11	11	11	13	13	13	13	11
Wind Dir	W	W	SW	SW	SW	SW	S	S	S	S	SW	SW	SW	SW	S	SW	SW	SW	SW	W	W	W	W	W
Gust	25	20													18	20	21	23	23	24	24	24	23	22
Sky Cover (%)	9	3	6	13	31	52	64	83	93	79	49	28	17	13	11	12	12	21	13	20	30	24	7	12
Precipitation Potential (%)	1	1	0	0	1	6	9	10	6	3	2	2	1	1	1	1	1	1	1	1	1	1	1	1
Relative Humidity (%)	36	39	42	45	47	47	47	49	51	47	45	47	47	52	54	52	46	43	41	38	40	41	42	46
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date								11/13
Hour (EST)	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16
Temperature (°F)	53	51	48	47	46	45	44	43	42	41	40	39	38	37	37	40	44	48	51	52	53	54	54	53
Dewpoint (°F)	34	33	33	34	34	35	35	34	33	32	31	30	30	30	30	31	31	32	32	32	31	30	29	29
Wind Chill (°F)			45	44	43	42	41	39	38	36	35	33	32	32	32	35	38	43
Surface Wind (mph)	9	7	6	6	6	6	6	6	7	8	8	8	8	7	7	8	10	11	13	14	14	14	13	11
Wind Dir	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	NW	NW
Gust	18																18	22	24	26	26	25	23	21
Sky Cover (%)	16	14	14	16	23	29	27	24	22	21	21	20	21	23	24	22	20	18	18	18	18	15	12	9
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	48	50	56	60	63	68	70	70	70	70	70	70	73	75	75	70	60	54	48	46	43	40	38	39
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

International System of Units Forecast Discussion 7-Day Forecast Hourly Weather Graph Hazardous Weather Briefing Page Past Weather Information Interactive Forecast Map Home