Point Forecast: Derwood MD  39.12N 77.13W (Elev. 348 ft)	Last Update: 7:58 am EDT May 5, 2024

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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 Haines Index Lightning Activity Level 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: 10am Sun, May 5 202411am Sun, May 5 202412pm Sun, May 5 20241pm Sun, May 5 20242pm Sun, May 5 20243pm Sun, May 5 20244pm Sun, May 5 20245pm Sun, May 5 20246pm Sun, May 5 20247pm Sun, May 5 20248pm Sun, May 5 20249pm Sun, May 5 202410pm Sun, May 5 202411pm Sun, May 5 202412am Mon, May 6 20241am Mon, May 6 20242am Mon, May 6 20243am Mon, May 6 20244am Mon, May 6 20245am Mon, May 6 20246am Mon, May 6 20247am Mon, May 6 20248am Mon, May 6 20249am Mon, May 6 202410am Mon, May 6 202411am Mon, May 6 202412pm Mon, May 6 20241pm Mon, May 6 20242pm Mon, May 6 20243pm Mon, May 6 20244pm Mon, May 6 20245pm Mon, May 6 20246pm Mon, May 6 20247pm Mon, May 6 20248pm Mon, May 6 20249pm Mon, May 6 202410pm Mon, May 6 202411pm Mon, May 6 202412am Tue, May 7 20241am Tue, May 7 20242am Tue, May 7 20243am Tue, May 7 20244am Tue, May 7 20245am Tue, May 7 20246am Tue, May 7 20247am Tue, May 7 20248am Tue, May 7 20249am Tue, May 7 202410am Tue, May 7 202411am Tue, May 7 202412pm Tue, May 7 20241pm Tue, May 7 20242pm Tue, May 7 20243pm Tue, May 7 20244pm Tue, May 7 20245pm Tue, May 7 20246pm Tue, May 7 20247pm Tue, May 7 20248pm Tue, May 7 20249pm Tue, May 7 202410pm Tue, May 7 202411pm Tue, May 7 202412am Wed, May 8 20241am Wed, May 8 20242am Wed, May 8 20243am Wed, May 8 20244am Wed, May 8 20245am Wed, May 8 20246am Wed, May 8 20247am Wed, May 8 20248am Wed, May 8 20249am Wed, May 8 202410am Wed, May 8 202411am Wed, May 8 202412pm Wed, May 8 20241pm Wed, May 8 20242pm Wed, May 8 20243pm Wed, May 8 20244pm Wed, May 8 20245pm Wed, May 8 20246pm Wed, May 8 20247pm Wed, May 8 20248pm Wed, May 8 20249pm Wed, May 8 202410pm Wed, May 8 202411pm Wed, May 8 202412am Thu, May 9 20241am Thu, May 9 20242am Thu, May 9 20243am Thu, May 9 20244am Thu, May 9 20245am Thu, May 9 20246am Thu, May 9 20247am Thu, May 9 20248am Thu, May 9 20249am Thu, May 9 202410am Thu, May 9 202411am Thu, May 9 202412pm Thu, May 9 20241pm Thu, May 9 20242pm Thu, May 9 20243pm Thu, May 9 20244pm Thu, May 9 20245pm Thu, May 9 20246pm Thu, May 9 20247pm Thu, May 9 20248pm Thu, May 9 20249pm Thu, May 9 2024

Date	05/05														05/06
Hour (EDT)	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09
Temperature (°F)	57	59	61	63	65	65	66	67	67	66	65	64	66	66	66	66	65	65	65	64	64	65	66	67
Dewpoint (°F)	56	58	60	61	62	63	63	63	63	63	63	63	64	64	64	64	64	64	64	64	64	64	65	66
Heat Index (°F)
Surface Wind (mph)	7	7	6	7	8	8	8	8	8	8	7	7	7	6	6	6	5	5	3	3	3	5	5	5
Wind Dir	SE	SE	SE	SE	S	S	S	S	S	SE	SE	SE	SE	S	S	S	S	S	S	S	S	SW	SW	SW
Gust
Sky Cover (%)	98	98	98	97	97	93	91	89	85	84	85	87	89	91	91	90	92	93	94	94	93	93	91	92
Precipitation Potential (%)	92	87	80	69	56	49	40	32	34	28	34	30	32	27	27	23	19	13	12	11	10	9	10	10
Relative Humidity (%)	96	96	97	93	90	93	90	87	87	90	93	97	93	93	93	93	97	97	97	100	100	97	97	97
Rain	Ocnl	Ocnl	Ocnl	Lkly	Lkly	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date															05/07
Hour (EDT)	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09
Temperature (°F)	69	71	73	75	76	77	77	77	76	75	73	71	69	67	66	65	65	65	64	64	64	64	65	67
Dewpoint (°F)	67	66	65	65	65	65	64	64	64	63	63	63	63	63	63	63	63	62	62	61	61	61	62	62
Heat Index (°F)				75	76	77	77	77	76	75
Surface Wind (mph)	5	5	5	5	5	5	5	5	5	3	3	3	5	5	3	3	3	3	3	3	5	6	6	6
Wind Dir	W	W	W	W	W	W	W	W	NW	N	NE	N	NW	SW	W	NW	NW	NW	N	N	N	N	NE	NE
Gust
Sky Cover (%)	92	90	86	81	78	77	79	81	81	80	79	77	74	73	74	76	78	80	81	81	81	80	78	77
Precipitation Potential (%)	10	6	6	6	36	36	36	36	36	36	38	38	38	38	38	38	25	25	25	25	25	25	14	14
Relative Humidity (%)	93	84	76	71	69	67	64	64	66	66	71	76	81	87	90	93	93	90	93	90	90	90	90	84
Rain	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	--	--
Thunder	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	--	--

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