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Point Forecast: Greenbelt MD  38.99N 76.89W (Elev. 102 ft)	Last Update: 4:32 pm EDT Oct 21, 2021

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Weather Elements Weather/Precipitation Fire Weather Temperature (°F) Dewpoint (°F) Wind Chill (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Snow Freezing Rain Sleet 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

48-Hour Period Starting: 5pm Thu, Oct 21 20216pm Thu, Oct 21 20217pm Thu, Oct 21 20218pm Thu, Oct 21 20219pm Thu, Oct 21 202110pm Thu, Oct 21 202111pm Thu, Oct 21 202112am Fri, Oct 22 20211am Fri, Oct 22 20212am Fri, Oct 22 20213am Fri, Oct 22 20214am Fri, Oct 22 20215am Fri, Oct 22 20216am Fri, Oct 22 20217am Fri, Oct 22 20218am Fri, Oct 22 20219am Fri, Oct 22 202110am Fri, Oct 22 202111am Fri, Oct 22 202112pm Fri, Oct 22 20211pm Fri, Oct 22 20212pm Fri, Oct 22 20213pm Fri, Oct 22 20214pm Fri, Oct 22 20215pm Fri, Oct 22 20216pm Fri, Oct 22 20217pm Fri, Oct 22 20218pm Fri, Oct 22 20219pm Fri, Oct 22 202110pm Fri, Oct 22 202111pm Fri, Oct 22 202112am Sat, Oct 23 20211am Sat, Oct 23 20212am Sat, Oct 23 20213am Sat, Oct 23 20214am Sat, Oct 23 20215am Sat, Oct 23 20216am Sat, Oct 23 20217am Sat, Oct 23 20218am Sat, Oct 23 20219am Sat, Oct 23 202110am Sat, Oct 23 202111am Sat, Oct 23 202112pm Sat, Oct 23 20211pm Sat, Oct 23 20212pm Sat, Oct 23 20213pm Sat, Oct 23 20214pm Sat, Oct 23 20215pm Sat, Oct 23 20216pm Sat, Oct 23 20217pm Sat, Oct 23 20218pm Sat, Oct 23 20219pm Sat, Oct 23 202110pm Sat, Oct 23 202111pm Sat, Oct 23 202112am Sun, Oct 24 20211am Sun, Oct 24 20212am Sun, Oct 24 20213am Sun, Oct 24 20214am Sun, Oct 24 20215am Sun, Oct 24 20216am Sun, Oct 24 20217am Sun, Oct 24 20218am Sun, Oct 24 20219am Sun, Oct 24 202110am Sun, Oct 24 202111am Sun, Oct 24 202112pm Sun, Oct 24 20211pm Sun, Oct 24 20212pm Sun, Oct 24 20213pm Sun, Oct 24 20214pm Sun, Oct 24 20215pm Sun, Oct 24 20216pm Sun, Oct 24 20217pm Sun, Oct 24 20218pm Sun, Oct 24 20219pm Sun, Oct 24 202110pm Sun, Oct 24 202111pm Sun, Oct 24 202112am Mon, Oct 25 20211am Mon, Oct 25 20212am Mon, Oct 25 20213am Mon, Oct 25 20214am Mon, Oct 25 20215am Mon, Oct 25 20216am Mon, Oct 25 20217am Mon, Oct 25 20218am Mon, Oct 25 20219am Mon, Oct 25 202110am Mon, Oct 25 202111am Mon, Oct 25 202112pm Mon, Oct 25 20211pm Mon, Oct 25 20212pm Mon, Oct 25 20213pm Mon, Oct 25 20214pm Mon, Oct 25 20215pm Mon, Oct 25 20216pm Mon, Oct 25 20217pm Mon, Oct 25 20218pm Mon, Oct 25 20219pm Mon, Oct 25 202110pm Mon, Oct 25 202111pm Mon, Oct 25 202112am Tue, Oct 26 20211am Tue, Oct 26 20212am Tue, Oct 26 20213am Tue, Oct 26 20214am Tue, Oct 26 2021

Date	10/21							10/22
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)	77	75	71	68	67	67	67	66	65	64	63	62	60	59	58	57	59	62	63	66	67	68	68	68
Dewpoint (°F)	53	54	54	54	54	55	55	56	56	56	56	55	55	53	52	51	51	51	50	49	49	50	49	49
Wind Chill (°F)
Surface Wind (mph)	8	6	6	8	8	8	8	7	6	6	6	5	6	5	3	5	6	7	8	7	7	6	7	7
Wind Dir	S	S	S	S	S	SW	SW	SW	SW	SW	W	W	W	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW
Gust
Sky Cover (%)	5	7	12	15	12	16	31	42	43	34	52	44	45	39	15	17	25	23	14	12	14	21	30	33
Precipitation Potential (%)	1	1	1	6	6	6	6	6	6	3	3	3	3	3	3	1	1	1	1	1	1	2	2	2
Relative Humidity (%)	43	48	55	61	63	65	65	70	73	75	78	78	84	80	80	80	75	67	62	54	52	52	51	51
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date								10/23
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)	66	64	62	61	60	59	58	57	57	56	56	55	55	55	54	55	57	59	61	63	64	65	65	64
Dewpoint (°F)	50	50	50	50	50	51	51	51	50	50	50	50	50	50	49	49	49	49	49	48	48	47	47	46
Wind Chill (°F)
Surface Wind (mph)	6	5	3	3	3	2	2	2	2	2	2	2	2	2	2	2	3	5	6	7	8	8	8	8
Wind Dir	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	W	W	W	NW
Gust
Sky Cover (%)	47	45	53	61	62	64	65	65	64	63	68	77	82	79	72	69	64	53	47	44	39	36	34	29
Precipitation Potential (%)	2	2	2	0	0	0	0	0	0	1	1	1	1	1	1	1	1	1	1	1	1	2	2	2
Relative Humidity (%)	56	60	65	67	69	75	77	80	77	80	80	83	83	83	83	80	75	69	65	58	56	52	52	52
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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