Point Forecast: New Windsor MD  39.54N 77.11W (Elev. 449 ft)	Last Update: 1:30 am EDT May 5, 2024

[hide menu]

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: 4am Sun, May 5 20245am Sun, May 5 20246am Sun, May 5 20247am Sun, May 5 20248am Sun, May 5 20249am Sun, May 5 202410am 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 2024

Date	05/05																				05/06
Hour (EDT)	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03
Temperature (°F)	52	52	52	53	54	55	56	57	59	61	63	64	65	65	66	65	64	64	65	65	65	65	65	65
Dewpoint (°F)	50	51	51	52	53	54	55	56	58	59	61	62	63	63	63	63	63	62	63	63	63	63	63	63
Heat Index (°F)
Surface Wind (mph)	9	9	9	9	9	9	10	9	8	8	9	9	9	9	9	8	8	8	7	7	7	6	6	5
Wind Dir	E	SE	E	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	S	S	S	S	S
Gust
Sky Cover (%)	100	100	100	100	98	98	97	98	97	97	96	94	92	90	88	88	88	90	93	93	93	91	92	92
Precipitation Potential (%)	90	93	94	95	89	95	93	86	76	57	45	38	31	25	30	24	36	31	33	27	23	19	18	12
Relative Humidity (%)	93	96	96	96	96	96	96	96	96	93	93	93	93	93	90	93	97	93	93	93	93	93	93	93
Rain	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Lkly	Chc	Chc	Chc	Chc	Chc	SChc	Chc	Chc	Chc	Chc	SChc	SChc	SChc	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--
Date																					05/07
Hour (EDT)	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03
Temperature (°F)	64	64	64	64	66	67	69	70	71	73	75	76	77	77	76	75	73	71	68	66	65	64	64	63
Dewpoint (°F)	63	63	63	63	64	66	65	66	66	66	65	64	64	64	64	63	63	63	62	62	62	61	61	60
Heat Index (°F)											75	76	77	77	76	75
Surface Wind (mph)	5	5	5	5	5	5	5	5	5	5	5	5	5	3	3	3	3	3	2	0	1	0	0	1
Wind Dir	S	S	S	SW	SW	SW	SW	W	W	W	W	W	W	W	W	W	NW	NW	N	N	N	S	N	N
Gust
Sky Cover (%)	93	93	93	92	91	91	91	88	83	78	74	73	74	76	76	76	76	75	73	72	71	71	71	73
Precipitation Potential (%)	11	10	8	8	10	10	10	6	6	6	25	25	25	25	25	25	25	25	25	25	25	25	22	22
Relative Humidity (%)	97	97	97	97	93	97	87	87	84	79	71	66	64	64	66	66	71	76	81	87	90	90	90	90
Rain	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--

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