Point Forecast: Cabin John MD  38.99N 77.18W (Elev. 249 ft)	Last Update: 10:53 am EDT Jun 11, 2026

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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: 1pm Thu, Jun 11 20262pm Thu, Jun 11 20263pm Thu, Jun 11 20264pm Thu, Jun 11 20265pm Thu, Jun 11 20266pm Thu, Jun 11 20267pm Thu, Jun 11 20268pm Thu, Jun 11 20269pm Thu, Jun 11 202610pm Thu, Jun 11 202611pm Thu, Jun 11 202612am Fri, Jun 12 20261am Fri, Jun 12 20262am Fri, Jun 12 20263am Fri, Jun 12 20264am Fri, Jun 12 20265am Fri, Jun 12 20266am Fri, Jun 12 20267am Fri, Jun 12 20268am Fri, Jun 12 20269am Fri, Jun 12 202610am Fri, Jun 12 202611am Fri, Jun 12 202612pm Fri, Jun 12 20261pm Fri, Jun 12 20262pm Fri, Jun 12 20263pm Fri, Jun 12 20264pm Fri, Jun 12 20265pm Fri, Jun 12 20266pm Fri, Jun 12 20267pm Fri, Jun 12 20268pm Fri, Jun 12 20269pm Fri, Jun 12 202610pm Fri, Jun 12 202611pm Fri, Jun 12 202612am Sat, Jun 13 20261am Sat, Jun 13 20262am Sat, Jun 13 20263am Sat, Jun 13 20264am Sat, Jun 13 20265am Sat, Jun 13 20266am Sat, Jun 13 20267am Sat, Jun 13 20268am Sat, Jun 13 20269am Sat, Jun 13 202610am Sat, Jun 13 202611am Sat, Jun 13 202612pm Sat, Jun 13 20261pm Sat, Jun 13 20262pm Sat, Jun 13 20263pm Sat, Jun 13 20264pm Sat, Jun 13 20265pm Sat, Jun 13 20266pm Sat, Jun 13 20267pm Sat, Jun 13 20268pm Sat, Jun 13 20269pm Sat, Jun 13 202610pm Sat, Jun 13 202611pm Sat, Jun 13 202612am Sun, Jun 14 20261am Sun, Jun 14 20262am Sun, Jun 14 20263am Sun, Jun 14 20264am Sun, Jun 14 20265am Sun, Jun 14 20266am Sun, Jun 14 20267am Sun, Jun 14 20268am Sun, Jun 14 20269am Sun, Jun 14 202610am Sun, Jun 14 202611am Sun, Jun 14 202612pm Sun, Jun 14 20261pm Sun, Jun 14 20262pm Sun, Jun 14 20263pm Sun, Jun 14 20264pm Sun, Jun 14 20265pm Sun, Jun 14 20266pm Sun, Jun 14 20267pm Sun, Jun 14 20268pm Sun, Jun 14 20269pm Sun, Jun 14 202610pm Sun, Jun 14 202611pm Sun, Jun 14 202612am Mon, Jun 15 20261am Mon, Jun 15 20262am Mon, Jun 15 20263am Mon, Jun 15 20264am Mon, Jun 15 20265am Mon, Jun 15 20266am Mon, Jun 15 20267am Mon, Jun 15 20268am Mon, Jun 15 20269am Mon, Jun 15 202610am Mon, Jun 15 202611am Mon, Jun 15 202612pm Mon, Jun 15 20261pm Mon, Jun 15 20262pm Mon, Jun 15 20263pm Mon, Jun 15 20264pm Mon, Jun 15 20265pm Mon, Jun 15 20266pm Mon, Jun 15 20267pm Mon, Jun 15 20268pm Mon, Jun 15 20269pm Mon, Jun 15 202610pm Mon, Jun 15 202611pm Mon, Jun 15 202612am Tue, Jun 16 2026

Date	06/11											06/12
Hour (EDT)	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12
Temperature (°F)	91	92	94	94	93	92	90	87	85	82	80	79	77	76	75	74	73	73	75	80	84	87	91	92
Dewpoint (°F)	72	72	72	71	70	71	71	71	72	71	71	71	71	70	70	69	69	69	70	71	71	71	71	71
Heat Index (°F)	99	100	102	101	99	99	96	93	91	86	83	79	77	76	75				75	83	89	93	98	99
Surface Wind (mph)	7	7	7	6	6	6	5	3	2	2	2	2	1	2	2	1	2	1	2	2	3	6	7	7
Wind Dir	W	W	W	W	W	W	W	SW	W	W	W	SW	W	W	W	W	W	W	W	SW	SW	W	W	W
Gust
Sky Cover (%)	52	51	40	44	53	60	68	76	77	69	71	41	57	69	49	44	25	33	21	30	9	28	17	16
Precipitation Potential (%)	3	6	15	17	20	40	48	49	29	26	16	12	10	6	5	4	5	6	5	2	1	1	0	2
Relative Humidity (%)	54	52	49	47	47	51	54	59	65	69	74	77	82	82	84	84	87	87	84	74	65	59	52	51
Rain	--	--	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--
Date												06/13
Hour (EDT)	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12
Temperature (°F)	94	95	94	94	93	89	87	84	82	79	77	75	73	72	70	68	67	67	68	70	73	76	79	82
Dewpoint (°F)	70	70	70	70	70	71	71	72	72	71	70	69	67	65	64	63	62	63	63	64	64	63	63	62
Heat Index (°F)	100	102	100	100	99	95	93	90	87	79	77	75										76	79	83
Surface Wind (mph)	7	8	7	8	8	8	8	7	6	6	6	6	7	7	6	6	5	3	3	3	3	5	5	5
Wind Dir	W	W	W	W	W	W	W	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW
Gust
Sky Cover (%)	33	44	51	85	77	80	76	85	77	70	63	51	51	28	25	21	17	14	11	8	7	7	6	6
Precipitation Potential (%)	2	2	27	73	65	66	61	27	27	27	27	27	27	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	46	45	46	46	47	56	59	67	72	77	79	82	81	79	81	84	84	87	84	81	73	64	58	51
Rain	--	--	Chc	Lkly	Lkly	Lkly	Lkly	Chc	Chc	Chc	Chc	Chc	Chc	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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