Point Forecast: Ashton-Sandy Spring MD  39.13N 77.01W (Elev. 400 ft)	Last Update: 4:29 pm EDT Jun 28, 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: 5pm Fri, Jun 28 20246pm Fri, Jun 28 20247pm Fri, Jun 28 20248pm Fri, Jun 28 20249pm Fri, Jun 28 202410pm Fri, Jun 28 202411pm Fri, Jun 28 202412am Sat, Jun 29 20241am Sat, Jun 29 20242am Sat, Jun 29 20243am Sat, Jun 29 20244am Sat, Jun 29 20245am Sat, Jun 29 20246am Sat, Jun 29 20247am Sat, Jun 29 20248am Sat, Jun 29 20249am Sat, Jun 29 202410am Sat, Jun 29 202411am Sat, Jun 29 202412pm Sat, Jun 29 20241pm Sat, Jun 29 20242pm Sat, Jun 29 20243pm Sat, Jun 29 20244pm Sat, Jun 29 20245pm Sat, Jun 29 20246pm Sat, Jun 29 20247pm Sat, Jun 29 20248pm Sat, Jun 29 20249pm Sat, Jun 29 202410pm Sat, Jun 29 202411pm Sat, Jun 29 202412am Sun, Jun 30 20241am Sun, Jun 30 20242am Sun, Jun 30 20243am Sun, Jun 30 20244am Sun, Jun 30 20245am Sun, Jun 30 20246am Sun, Jun 30 20247am Sun, Jun 30 20248am Sun, Jun 30 20249am Sun, Jun 30 202410am Sun, Jun 30 202411am Sun, Jun 30 202412pm Sun, Jun 30 20241pm Sun, Jun 30 20242pm Sun, Jun 30 20243pm Sun, Jun 30 20244pm Sun, Jun 30 20245pm Sun, Jun 30 20246pm Sun, Jun 30 20247pm Sun, Jun 30 20248pm Sun, Jun 30 20249pm Sun, Jun 30 202410pm Sun, Jun 30 202411pm Sun, Jun 30 202412am Mon, Jul 1 20241am Mon, Jul 1 20242am Mon, Jul 1 20243am Mon, Jul 1 20244am Mon, Jul 1 20245am Mon, Jul 1 20246am Mon, Jul 1 20247am Mon, Jul 1 20248am Mon, Jul 1 20249am Mon, Jul 1 202410am Mon, Jul 1 202411am Mon, Jul 1 202412pm Mon, Jul 1 20241pm Mon, Jul 1 20242pm Mon, Jul 1 20243pm Mon, Jul 1 20244pm Mon, Jul 1 20245pm Mon, Jul 1 20246pm Mon, Jul 1 20247pm Mon, Jul 1 20248pm Mon, Jul 1 20249pm Mon, Jul 1 202410pm Mon, Jul 1 202411pm Mon, Jul 1 202412am Tue, Jul 2 20241am Tue, Jul 2 20242am Tue, Jul 2 20243am Tue, Jul 2 20244am Tue, Jul 2 20245am Tue, Jul 2 20246am Tue, Jul 2 20247am Tue, Jul 2 20248am Tue, Jul 2 20249am Tue, Jul 2 202410am Tue, Jul 2 202411am Tue, Jul 2 202412pm Tue, Jul 2 20241pm Tue, Jul 2 20242pm Tue, Jul 2 20243pm Tue, Jul 2 20244pm Tue, Jul 2 20245pm Tue, Jul 2 20246pm Tue, Jul 2 20247pm Tue, Jul 2 20248pm Tue, Jul 2 20249pm Tue, Jul 2 202410pm Tue, Jul 2 202411pm Tue, Jul 2 202412am Wed, Jul 3 20241am Wed, Jul 3 20242am Wed, Jul 3 20243am Wed, Jul 3 20244am Wed, Jul 3 2024

Date	06/28							06/29
Hour (EDT)	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)	82	81	80	78	75	73	72	71	70	69	69	69	70	69	71	73	76	79	80	82	85	86	87	88
Dewpoint (°F)	59	59	61	63	64	64	65	65	66	67	67	68	68	69	70	71	73	73	73	73	73	73	73	73
Heat Index (°F)	82	81	81	78	75												76	79	84	87	92	93	94	96
Surface Wind (mph)	10	10	10	10	10	9	9	8	8	7	7	7	7	8	9	10	10	11	10	10	11	11	11	11
Wind Dir	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	S	S	S	S	S	S	S	S
Gust																						18	20	20
Sky Cover (%)	36	54	48	23	24	23	47	61	63	83	88	84	88	86	69	81	75	64	66	73	60	60	48	56
Precipitation Potential (%)	0	0	0	2	2	2	2	2	2	9	9	9	9	9	9	7	7	7	7	7	7	30	30	30
Relative Humidity (%)	46	47	52	60	69	73	79	81	87	93	93	97	93	100	97	93	90	82	79	74	67	65	63	61
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc
Date								06/30
Hour (EDT)	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)	87	87	87	85	83	81	80	79	79	78	77	76	76	77	78	80	82	85	87	89	90	91	91	91
Dewpoint (°F)	73	73	73	74	73	73	74	74	75	75	75	74	74	75	75	76	76	76	76	75	74	73	72	72
Heat Index (°F)	94	94	94	93	89	86	84	79	79	78	77	76	76	77	78	86	89	94	98	99	99	100	99	99
Surface Wind (mph)	13	11	11	11	10	9	9	8	9	9	9	9	8	8	7	7	7	8	8	9	9	9	10	10
Wind Dir	S	S	S	S	S	S	S	S	S	SW	SW	SW	SW	SW	SW	SW	W	W	W	W	W	W	W	W
Gust	20	18
Sky Cover (%)	56	39	52	58	60	70	79	80	83	84	82	79	77	76	75	74	69	60	55	52	46	43	42	39
Precipitation Potential (%)	30	30	30	59	59	59	59	59	59	38	38	38	38	38	38	37	37	37	37	37	37	55	55	55
Relative Humidity (%)	63	63	63	70	72	77	82	85	88	91	94	94	94	94	91	88	82	75	70	64	60	56	54	54
Rain	Chc	Chc	Chc	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Lkly	Lkly	Lkly
Thunder	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc	SChc	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc

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