Point Forecast: Wheaton-Glenmont MD  39.05N 77.05W (Elev. 427 ft)	Last Update: 4:30 am EDT Mar 16, 2025

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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: 6am Sun, Mar 16 20257am Sun, Mar 16 20258am Sun, Mar 16 20259am Sun, Mar 16 202510am Sun, Mar 16 202511am Sun, Mar 16 202512pm Sun, Mar 16 20251pm Sun, Mar 16 20252pm Sun, Mar 16 20253pm Sun, Mar 16 20254pm Sun, Mar 16 20255pm Sun, Mar 16 20256pm Sun, Mar 16 20257pm Sun, Mar 16 20258pm Sun, Mar 16 20259pm Sun, Mar 16 202510pm Sun, Mar 16 202511pm Sun, Mar 16 202512am Mon, Mar 17 20251am Mon, Mar 17 20252am Mon, Mar 17 20253am Mon, Mar 17 20254am Mon, Mar 17 20255am Mon, Mar 17 20256am Mon, Mar 17 20257am Mon, Mar 17 20258am Mon, Mar 17 20259am Mon, Mar 17 202510am Mon, Mar 17 202511am Mon, Mar 17 202512pm Mon, Mar 17 20251pm Mon, Mar 17 20252pm Mon, Mar 17 20253pm Mon, Mar 17 20254pm Mon, Mar 17 20255pm Mon, Mar 17 20256pm Mon, Mar 17 20257pm Mon, Mar 17 20258pm Mon, Mar 17 20259pm Mon, Mar 17 202510pm Mon, Mar 17 202511pm Mon, Mar 17 202512am Tue, Mar 18 20251am Tue, Mar 18 20252am Tue, Mar 18 20253am Tue, Mar 18 20254am Tue, Mar 18 20255am Tue, Mar 18 20256am Tue, Mar 18 20257am Tue, Mar 18 20258am Tue, Mar 18 20259am Tue, Mar 18 202510am Tue, Mar 18 202511am Tue, Mar 18 202512pm Tue, Mar 18 20251pm Tue, Mar 18 20252pm Tue, Mar 18 20253pm Tue, Mar 18 20254pm Tue, Mar 18 20255pm Tue, Mar 18 20256pm Tue, Mar 18 20257pm Tue, Mar 18 20258pm Tue, Mar 18 20259pm Tue, Mar 18 202510pm Tue, Mar 18 202511pm Tue, Mar 18 202512am Wed, Mar 19 20251am Wed, Mar 19 20252am Wed, Mar 19 20253am Wed, Mar 19 20254am Wed, Mar 19 20255am Wed, Mar 19 20256am Wed, Mar 19 20257am Wed, Mar 19 20258am Wed, Mar 19 20259am Wed, Mar 19 202510am Wed, Mar 19 202511am Wed, Mar 19 202512pm Wed, Mar 19 20251pm Wed, Mar 19 20252pm Wed, Mar 19 20253pm Wed, Mar 19 20254pm Wed, Mar 19 20255pm Wed, Mar 19 20256pm Wed, Mar 19 20257pm Wed, Mar 19 20258pm Wed, Mar 19 20259pm Wed, Mar 19 202510pm Wed, Mar 19 202511pm Wed, Mar 19 202512am Thu, Mar 20 20251am Thu, Mar 20 20252am Thu, Mar 20 20253am Thu, Mar 20 20254am Thu, Mar 20 20255am Thu, Mar 20 20256am Thu, Mar 20 20257am Thu, Mar 20 20258am Thu, Mar 20 20259am Thu, Mar 20 202510am Thu, Mar 20 202511am Thu, Mar 20 202512pm Thu, Mar 20 20251pm Thu, Mar 20 20252pm Thu, Mar 20 20253pm Thu, Mar 20 20254pm Thu, Mar 20 20255pm Thu, Mar 20 2025

Date	03/16																		03/17
Hour (EDT)	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05
Temperature (°F)	59	60	60	62	63	65	66	67	68	68	68	68	67	65	64	63	62	62	60	59	58	56	55	54
Dewpoint (°F)	55	56	57	57	58	58	58	59	59	59	60	60	60	60	59	58	58	57	57	56	55	53	51	49
Wind Chill (°F)
Surface Wind (mph)	15	16	16	16	17	18	20	21	21	20	18	17	16	14	13	11	10	9	8	8	8	9	10	11
Wind Dir	S	S	S	S	S	S	S	S	S	S	S	S	S	S	SW	SW	SW	SW	W	W	W	NW	NW	NW
Gust	28	28	29	31	34	38	39	40	40	38	36	32	29	25	22	20
Sky Cover (%)	99	100	100	100	100	100	100	100	100	99	97	96	93	91	89	86	84	82	78	73	68	70	71	73
Precipitation Potential (%)	16	16	19	19	19	46	46	46	83	83	83	92	92	92	87	87	87	49	49	49	43	43	43	27
Relative Humidity (%)	87	87	90	84	84	78	75	75	73	73	76	76	78	84	84	84	87	84	90	90	90	90	86	83
Rain	SChc	SChc	SChc	SChc	SChc	Chc	Chc	Chc	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Chc	Chc	Chc	Chc	Chc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc	SChc	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																			03/18
Hour (EDT)	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05
Temperature (°F)	52	51	50	49	50	51	52	53	54	54	54	53	51	48	46	44	43	42	41	39	38	37	36	36
Dewpoint (°F)	47	46	44	43	41	40	39	37	36	35	34	33	31	29	28	27	27	27	27	26	26	26	25	25
Wind Chill (°F)			45	43	45									43	41	38	37	36	35	33	32	30	30	30
Surface Wind (mph)	13	13	14	15	15	16	17	17	17	17	17	16	15	13	11	10	10	10	10	9	9	9	8	8
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		20	21	22	24	25	26	26	26	26	26	26	24	22	21	20	18	18	18
Sky Cover (%)	75	76	78	75	71	68	64	60	56	51	46	41	33	25	17	13	10	7	7	7	7	7	7	7
Precipitation Potential (%)	27	27	16	16	16	16	16	16	5	5	5	5	5	5	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	83	83	80	80	71	66	61	54	50	48	46	46	46	47	49	51	53	55	57	59	62	64	64	64
Rain	Chc	Chc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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