Point Forecast: Washington DC  38.91N 77.02W (Elev. 72 ft)	Last Update: 10:30 am EDT Sep 20, 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: 11am Fri, Sep 20 202412pm Fri, Sep 20 20241pm Fri, Sep 20 20242pm Fri, Sep 20 20243pm Fri, Sep 20 20244pm Fri, Sep 20 20245pm Fri, Sep 20 20246pm Fri, Sep 20 20247pm Fri, Sep 20 20248pm Fri, Sep 20 20249pm Fri, Sep 20 202410pm Fri, Sep 20 202411pm Fri, Sep 20 202412am Sat, Sep 21 20241am Sat, Sep 21 20242am Sat, Sep 21 20243am Sat, Sep 21 20244am Sat, Sep 21 20245am Sat, Sep 21 20246am Sat, Sep 21 20247am Sat, Sep 21 20248am Sat, Sep 21 20249am Sat, Sep 21 202410am Sat, Sep 21 202411am Sat, Sep 21 202412pm Sat, Sep 21 20241pm Sat, Sep 21 20242pm Sat, Sep 21 20243pm Sat, Sep 21 20244pm Sat, Sep 21 20245pm Sat, Sep 21 20246pm Sat, Sep 21 20247pm Sat, Sep 21 20248pm Sat, Sep 21 20249pm Sat, Sep 21 202410pm Sat, Sep 21 202411pm Sat, Sep 21 202412am Sun, Sep 22 20241am Sun, Sep 22 20242am Sun, Sep 22 20243am Sun, Sep 22 20244am Sun, Sep 22 20245am Sun, Sep 22 20246am Sun, Sep 22 20247am Sun, Sep 22 20248am Sun, Sep 22 20249am Sun, Sep 22 202410am Sun, Sep 22 202411am Sun, Sep 22 202412pm Sun, Sep 22 20241pm Sun, Sep 22 20242pm Sun, Sep 22 20243pm Sun, Sep 22 20244pm Sun, Sep 22 20245pm Sun, Sep 22 20246pm Sun, Sep 22 20247pm Sun, Sep 22 20248pm Sun, Sep 22 20249pm Sun, Sep 22 202410pm Sun, Sep 22 202411pm Sun, Sep 22 202412am Mon, Sep 23 20241am Mon, Sep 23 20242am Mon, Sep 23 20243am Mon, Sep 23 20244am Mon, Sep 23 20245am Mon, Sep 23 20246am Mon, Sep 23 20247am Mon, Sep 23 20248am Mon, Sep 23 20249am Mon, Sep 23 202410am Mon, Sep 23 202411am Mon, Sep 23 202412pm Mon, Sep 23 20241pm Mon, Sep 23 20242pm Mon, Sep 23 20243pm Mon, Sep 23 20244pm Mon, Sep 23 20245pm Mon, Sep 23 20246pm Mon, Sep 23 20247pm Mon, Sep 23 20248pm Mon, Sep 23 20249pm Mon, Sep 23 202410pm Mon, Sep 23 202411pm Mon, Sep 23 202412am Tue, Sep 24 20241am Tue, Sep 24 20242am Tue, Sep 24 20243am Tue, Sep 24 20244am Tue, Sep 24 20245am Tue, Sep 24 20246am Tue, Sep 24 20247am Tue, Sep 24 20248am Tue, Sep 24 20249am Tue, Sep 24 202410am Tue, Sep 24 202411am Tue, Sep 24 202412pm Tue, Sep 24 20241pm Tue, Sep 24 20242pm Tue, Sep 24 20243pm Tue, Sep 24 20244pm Tue, Sep 24 20245pm Tue, Sep 24 20246pm Tue, Sep 24 20247pm Tue, Sep 24 20248pm Tue, Sep 24 20249pm Tue, Sep 24 202410pm Tue, Sep 24 2024

Date	09/20													09/21
Hour (EDT)	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10
Temperature (°F)	77	79	81	82	83	83	82	81	78	75	73	71	70	68	67	66	66	65	65	64	64	65	69	72
Dewpoint (°F)	63	62	61	60	60	60	60	60	60	61	62	64	65	65	65	64	64	64	64	64	64	65	65	65
Heat Index (°F)	77	79	82	82	83	83	82	82	78	75
Surface Wind (mph)	6	6	6	5	5	6	6	6	6	5	5	3	3	3	3	3	3	2	2	2	3	3	3	5
Wind Dir	E	E	E	E	E	E	E	SE	SE	SE	SE	SE	S	S	S	S	S	S	S	S	S	S	S	SE
Gust
Sky Cover (%)	23	30	32	39	43	42	47	43	37	43	35	35	28	25	27	28	29	36	42	54	52	50	47	42
Precipitation Potential (%)	0	0	1	1	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	1	1	1	1	1
Relative Humidity (%)	62	56	51	47	46	46	47	49	54	62	68	79	84	90	93	93	93	97	97	100	100	100	87	79
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date														09/22
Hour (EDT)	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10
Temperature (°F)	75	79	80	81	81	81	81	79	76	74	72	70	69	68	67	67	66	66	66	65	65	65	66	67
Dewpoint (°F)	66	66	65	65	65	65	65	65	66	66	66	65	65	65	65	65	65	65	65	65	65	65	66	66
Heat Index (°F)	75	79	82	83	83	83	83	79	76
Surface Wind (mph)	5	6	5	6	6	7	7	7	7	6	5	5	3	2	2	2	2	3	3	3	5	5	6	7
Wind Dir	SE	S	S	S	S	S	S	S	SE	SE	SE	SE	SE	SE	SE	SE	SE	E	E	E	E	E	E	E
Gust
Sky Cover (%)	37	42	44	52	57	62	67	71	76	81	82	82	83	79	75	71	77	82	88	88	88	88	88	88
Precipitation Potential (%)	1	8	8	15	15	15	36	36	36	58	58	58	58	58	58	34	34	34	34	34	34	24	24	24
Relative Humidity (%)	74	64	60	58	58	58	58	62	71	76	81	84	87	90	93	93	97	97	97	100	100	100	100	97
Rain	--	--	--	SChc	SChc	SChc	Chc	Chc	Chc	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc	SChc
Thunder	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	--	--	--	--	--	--	--	--	--

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