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Point Forecast: Frederick MD  39.44N 77.39W (Elev. 88 m)	Last Update: 4:33 pm EDT May 19, 2022

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Weather Elements Weather/Precipitation Fire Weather Temperature (°C) Dewpoint (°C) Heat Index (°C) 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-m) Atmospheric Dispersion Index Low Visibility Occurrence Risk Index

48-Hour Period Starting: 6pm Thu, May 19 20227pm Thu, May 19 20228pm Thu, May 19 20229pm Thu, May 19 202210pm Thu, May 19 202211pm Thu, May 19 202212am Fri, May 20 20221am Fri, May 20 20222am Fri, May 20 20223am Fri, May 20 20224am Fri, May 20 20225am Fri, May 20 20226am Fri, May 20 20227am Fri, May 20 20228am Fri, May 20 20229am Fri, May 20 202210am Fri, May 20 202211am Fri, May 20 202212pm Fri, May 20 20221pm Fri, May 20 20222pm Fri, May 20 20223pm Fri, May 20 20224pm Fri, May 20 20225pm Fri, May 20 20226pm Fri, May 20 20227pm Fri, May 20 20228pm Fri, May 20 20229pm Fri, May 20 202210pm Fri, May 20 202211pm Fri, May 20 202212am Sat, May 21 20221am Sat, May 21 20222am Sat, May 21 20223am Sat, May 21 20224am Sat, May 21 20225am Sat, May 21 20226am Sat, May 21 20227am Sat, May 21 20228am Sat, May 21 20229am Sat, May 21 202210am Sat, May 21 202211am Sat, May 21 202212pm Sat, May 21 20221pm Sat, May 21 20222pm Sat, May 21 20223pm Sat, May 21 20224pm Sat, May 21 20225pm Sat, May 21 20226pm Sat, May 21 20227pm Sat, May 21 20228pm Sat, May 21 20229pm Sat, May 21 202210pm Sat, May 21 202211pm Sat, May 21 202212am Sun, May 22 20221am Sun, May 22 20222am Sun, May 22 20223am Sun, May 22 20224am Sun, May 22 20225am Sun, May 22 20226am Sun, May 22 20227am Sun, May 22 20228am Sun, May 22 20229am Sun, May 22 202210am Sun, May 22 202211am Sun, May 22 202212pm Sun, May 22 20221pm Sun, May 22 20222pm Sun, May 22 20223pm Sun, May 22 20224pm Sun, May 22 20225pm Sun, May 22 20226pm Sun, May 22 20227pm Sun, May 22 20228pm Sun, May 22 20229pm Sun, May 22 202210pm Sun, May 22 202211pm Sun, May 22 202212am Mon, May 23 20221am Mon, May 23 20222am Mon, May 23 20223am Mon, May 23 20224am Mon, May 23 20225am Mon, May 23 20226am Mon, May 23 20227am Mon, May 23 20228am Mon, May 23 20229am Mon, May 23 202210am Mon, May 23 202211am Mon, May 23 202212pm Mon, May 23 20221pm Mon, May 23 20222pm Mon, May 23 20223pm Mon, May 23 20224pm Mon, May 23 20225pm Mon, May 23 20226pm Mon, May 23 20227pm Mon, May 23 20228pm Mon, May 23 20229pm Mon, May 23 202210pm Mon, May 23 202211pm Mon, May 23 202212am Tue, May 24 20221am Tue, May 24 20222am Tue, May 24 20223am Tue, May 24 20224am Tue, May 24 20225am Tue, May 24 2022

Date	05/19						05/20
Hour (EDT)	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17
Temperature (°C)	26	25	24	22	21	19	18	18	17	17	16	16	16	17	19	22	24	26	28	29	31	31	31	31
Dewpoint (°C)	16	16	15	15	15	14	14	14	14	14	14	14	14	14	16	18	18	19	19	21	21	21	21	21
Heat Index (°C)	26	25	24														24	26	29	32	33	34	34	34
Surface Wind (mph)	7	3	2	1	1	1	1	0	1	1	0	1	1	1	2	2	5	6	7	8	9	9	9	8
Wind Dir	W	W	W	W	SW	SW	S	S	S	S	S	S	SW	SE	S	S	S	S	S	S	S	S	S	S
Gust
Sky Cover (%)	29	24	8	9	13	7	18	30	40	27	35	44	52	59	54	49	43	40	37	34	34	34	37	39
Precipitation Potential (%)	1	0	1	1	1	1	1	4	10	10	10	28	28	28	17	17	17	22	22	22	23	23	23	22
Relative Humidity (%)	56	56	58	66	70	75	78	81	84	87	87	90	90	87	84	79	71	67	61	59	55	55	55	55
Rain	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	SChc
Date							05/21
Hour (EDT)	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17
Temperature (°C)	31	30	29	28	27	25	24	24	23	22	22	22	22	23	24	26	28	30	32	33	33	34	34	34
Dewpoint (°C)	21	21	20	20	19	19	19	19	19	18	18	18	18	19	19	20	21	21	21	21	21	21	21	21
Heat Index (°C)	34	32	31	29	28	25	24	24							24	26	31	32	34	36	36	37	37	37
Surface Wind (mph)	7	6	5	5	5	5	5	3	3	3	2	2	2	2	2	2	3	3	3	5	5	6	7	7
Wind Dir	S	S	S	S	S	S	S	SW	SW	SW	SW	SW	SW	SW	SW	SW	W	W	W	SW	SW	SW	S	S
Gust
Sky Cover (%)	43	34	25	23	19	17	16	15	14	15	16	17	15	11	9	8	7	6	8	13	15	16	19	20
Precipitation Potential (%)	22	22	4	4	4	4	4	4	1	1	1	1	1	1	0	0	0	0	0	0	17	17	17	17
Relative Humidity (%)	55	57	59	63	65	71	76	74	76	79	79	79	79	76	74	69	63	57	52	49	47	46	46	46
Rain	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc
Thunder	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc

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